The Mt. Umunhum Ultras on June 7, 2025, features an exciting series of races with over 15,000 feet of elevation gain. The event will challenge runners on a variety of trail distances, from a 5K to a 52-mile ultra marathon. Set in the Santa Clara Valley, Sierra Azul Open Space Preserve, and the Santa Cruz Mountains, the race offers diverse terrain with steep climbs and breathtaking views.
Races
52 Mile
50km
Marathon
30km
Half Marathon
9 Mile
10km
5km
The Mt. Umunhum Ultra 52 Mile on June 7, 2025, presents a formidable challenge with 3,841 meters of elevation gain through the scenic Sierra Azul Open Space Preserve. Designed for seasoned ultrarunners, this race offers steep ascents, technical trails, and rewarding views that make every mile an adventure.
Set against the backdrop of Sierra Azul, the Mt. Umunhum Ultra 50km on June 7, 2025, features 2,348 meters of elevation gain that challenges even the most experienced runners. This race combines the beauty of mountain trails with the demands of steep climbs and technical paths.
The Mt. Umunhum Marathon on June 7, 2025, invites trail marathoners to conquer 1,896 meters of elevation gain across a 42.2 km route in the Sierra Azul Open Space Preserve. This race is a perfect blend of challenge and beauty, featuring steep climbs and stunning views.
The Mt. Umunhum 30km on June 7, 2025, offers runners a scenic but demanding course with 1,444 meters of elevation gain, perfect for those wanting a mid-distance trail challenge. This race is set in the picturesque Sierra Azul Open Space Preserve, offering a taste of ultrarunning without the ultra distance.
Join the Mt. Umunhum Half Marathon on June 7, 2025, for a challenging 21.1 km race with 968 meters of elevation gain, navigating the scenic trails of Sierra Azul. This half marathon is crafted for trail lovers who enjoy a mix of steep climbs and beautiful landscapes.
The Mt. Umunhum 9 Mile on June 7, 2025, provides a dynamic trail run with 736 meters of elevation gain, offering a taste of mountain running for both new and seasoned runners. This race combines manageable distance with the challenge of significant climbs in the beautiful Sierra Azul Preserve.
The Mt. Umunhum 10km on June 7, 2025, features 452 meters of elevation gain, offering a quick but challenging trail race through the scenic paths of Sierra Azul. Perfect for runners of all levels, this race provides a compact trail experience with plenty of natural beauty.
The Mt. Umunhum 5km on June 7, 2025, provides a scenic and accessible trail race with 219 meters of elevation gain, ideal for beginners or those looking for a quick nature escape. This short course offers beautiful views and gentle challenges that make it a perfect introduction to trail running.
Weather based on historical averages.
FAQs
What is the Mt. Umunhum Ultra 52 Mile?
How long is the Mt. Umunhum Ultra 52 Mile?
Where does the Mt. Umunhum Ultra 52 Mile take place?
What is the elevation gain of the Mt. Umunhum Ultra 52 Mile?
How can I prepare for the Mt. Umunhum Ultra 52 Mile?
How do I choose the right training plan for the Mt. Umunhum Ultra 52 Mile?
The Mt. Umunhum Ultra 52 Mile on June 7, 2025, presents a formidable challenge with 3,841 meters of elevation gain through the scenic Sierra Azul Open Space Preserve. Designed for seasoned ultrarunners, this race offers steep ascents, technical trails, and rewarding views that make every mile an adventure.
The Mt. Umunhum Ultra 52 Mile is 83km long.
The Mt. Umunhum Ultra 52 Mile takes place in San Jose, California, USA.
The Mt. Umunhum Ultra 52 Mile elevation gain is 3841 metres, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Mt. Umunhum Ultra 52 Mile?
The Mt. Umunhum Ultra 52 Mile on June 7, 2025, presents a formidable challenge with 3,841 meters of elevation gain through the scenic Sierra Azul Open Space Preserve. Designed for seasoned ultrarunners, this race offers steep ascents, technical trails, and rewarding views that make every mile an adventure.
How long is the Mt. Umunhum Ultra 52 Mile?
The Mt. Umunhum Ultra 52 Mile is 83km long.
Where does the Mt. Umunhum Ultra 52 Mile take place?
The Mt. Umunhum Ultra 52 Mile takes place in San Jose, California, USA.
What is the elevation gain of the Mt. Umunhum Ultra 52 Mile?
The Mt. Umunhum Ultra 52 Mile elevation gain is 3841 metres, which Runna classifies as a Hilly race.
How can I prepare for the Mt. Umunhum Ultra 52 Mile?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Mt. Umunhum Ultra 52 Mile?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Mt. Umunhum Ultra 50km?
How long is the Mt. Umunhum Ultra 50km?
Where does the Mt. Umunhum Ultra 50km take place?
What is the elevation gain of the Mt. Umunhum Ultra 50km?
How can I prepare for the Mt. Umunhum Ultra 50km?
How do I choose the right training plan for the Mt. Umunhum Ultra 50km?
Set against the backdrop of Sierra Azul, the Mt. Umunhum Ultra 50km on June 7, 2025, features 2,348 meters of elevation gain that challenges even the most experienced runners. This race combines the beauty of mountain trails with the demands of steep climbs and technical paths.
The Mt. Umunhum Ultra 50km is 50km long.
The Mt. Umunhum Ultra 50km takes place in San Jose, California, USA.
The Mt. Umunhum Ultra 50km elevation gain is 2348 metres, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Mt. Umunhum Ultra 50km?
Set against the backdrop of Sierra Azul, the Mt. Umunhum Ultra 50km on June 7, 2025, features 2,348 meters of elevation gain that challenges even the most experienced runners. This race combines the beauty of mountain trails with the demands of steep climbs and technical paths.
How long is the Mt. Umunhum Ultra 50km?
The Mt. Umunhum Ultra 50km is 50km long.
Where does the Mt. Umunhum Ultra 50km take place?
The Mt. Umunhum Ultra 50km takes place in San Jose, California, USA.
What is the elevation gain of the Mt. Umunhum Ultra 50km?
The Mt. Umunhum Ultra 50km elevation gain is 2348 metres, which Runna classifies as a Hilly race.
How can I prepare for the Mt. Umunhum Ultra 50km?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Mt. Umunhum Ultra 50km?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Mt. Umunhum Marathon?
How long is the Mt. Umunhum Marathon?
Where does the Mt. Umunhum Marathon take place?
What is the elevation gain of the Mt. Umunhum Marathon?
How can I prepare for the Mt. Umunhum Marathon?
How do I choose the right training plan for the Mt. Umunhum Marathon?
The Mt. Umunhum Marathon on June 7, 2025, invites trail marathoners to conquer 1,896 meters of elevation gain across a 42.2 km route in the Sierra Azul Open Space Preserve. This race is a perfect blend of challenge and beauty, featuring steep climbs and stunning views.
The Mt. Umunhum Marathon is 42km long.
The Mt. Umunhum Marathon takes place in San Jose, California, USA.
The Mt. Umunhum Marathon elevation gain is 1896 metres, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Mt. Umunhum Marathon?
The Mt. Umunhum Marathon on June 7, 2025, invites trail marathoners to conquer 1,896 meters of elevation gain across a 42.2 km route in the Sierra Azul Open Space Preserve. This race is a perfect blend of challenge and beauty, featuring steep climbs and stunning views.
How long is the Mt. Umunhum Marathon?
The Mt. Umunhum Marathon is 42km long.
Where does the Mt. Umunhum Marathon take place?
The Mt. Umunhum Marathon takes place in San Jose, California, USA.
What is the elevation gain of the Mt. Umunhum Marathon?
The Mt. Umunhum Marathon elevation gain is 1896 metres, which Runna classifies as a Hilly race.
How can I prepare for the Mt. Umunhum Marathon?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Mt. Umunhum Marathon?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Mt. Umunhum 30km?
How long is the Mt. Umunhum 30km?
Where does the Mt. Umunhum 30km take place?
What is the elevation gain of the Mt. Umunhum 30km?
How can I prepare for the Mt. Umunhum 30km?
How do I choose the right training plan for the Mt. Umunhum 30km?
The Mt. Umunhum 30km on June 7, 2025, offers runners a scenic but demanding course with 1,444 meters of elevation gain, perfect for those wanting a mid-distance trail challenge. This race is set in the picturesque Sierra Azul Open Space Preserve, offering a taste of ultrarunning without the ultra distance.
The Mt. Umunhum 30km is 30km long.
The Mt. Umunhum 30km takes place in San Jose, California, USA.
The Mt. Umunhum 30km elevation gain is 1444 metres, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Mt. Umunhum 30km?
The Mt. Umunhum 30km on June 7, 2025, offers runners a scenic but demanding course with 1,444 meters of elevation gain, perfect for those wanting a mid-distance trail challenge. This race is set in the picturesque Sierra Azul Open Space Preserve, offering a taste of ultrarunning without the ultra distance.
How long is the Mt. Umunhum 30km?
The Mt. Umunhum 30km is 30km long.
Where does the Mt. Umunhum 30km take place?
The Mt. Umunhum 30km takes place in San Jose, California, USA.
What is the elevation gain of the Mt. Umunhum 30km?
The Mt. Umunhum 30km elevation gain is 1444 metres, which Runna classifies as a Hilly race.
How can I prepare for the Mt. Umunhum 30km?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Mt. Umunhum 30km?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Mt. Umunhum Half Marathon?
How long is the Mt. Umunhum Half Marathon?
Where does the Mt. Umunhum Half Marathon take place?
What is the elevation gain of the Mt. Umunhum Half Marathon?
How can I prepare for the Mt. Umunhum Half Marathon?
How do I choose the right training plan for the Mt. Umunhum Half Marathon?
Join the Mt. Umunhum Half Marathon on June 7, 2025, for a challenging 21.1 km race with 968 meters of elevation gain, navigating the scenic trails of Sierra Azul. This half marathon is crafted for trail lovers who enjoy a mix of steep climbs and beautiful landscapes.
The Mt. Umunhum Half Marathon is 21km long.
The Mt. Umunhum Half Marathon takes place in San Jose, California, USA.
The Mt. Umunhum Half Marathon elevation gain is 968 metres, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Mt. Umunhum Half Marathon?
Join the Mt. Umunhum Half Marathon on June 7, 2025, for a challenging 21.1 km race with 968 meters of elevation gain, navigating the scenic trails of Sierra Azul. This half marathon is crafted for trail lovers who enjoy a mix of steep climbs and beautiful landscapes.
How long is the Mt. Umunhum Half Marathon?
The Mt. Umunhum Half Marathon is 21km long.
Where does the Mt. Umunhum Half Marathon take place?
The Mt. Umunhum Half Marathon takes place in San Jose, California, USA.
What is the elevation gain of the Mt. Umunhum Half Marathon?
The Mt. Umunhum Half Marathon elevation gain is 968 metres, which Runna classifies as a Hilly race.
How can I prepare for the Mt. Umunhum Half Marathon?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Mt. Umunhum Half Marathon?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Mt. Umunhum 9 Mile?
How long is the Mt. Umunhum 9 Mile?
Where does the Mt. Umunhum 9 Mile take place?
What is the elevation gain of the Mt. Umunhum 9 Mile?
How can I prepare for the Mt. Umunhum 9 Mile?
How do I choose the right training plan for the Mt. Umunhum 9 Mile?
The Mt. Umunhum 9 Mile on June 7, 2025, provides a dynamic trail run with 736 meters of elevation gain, offering a taste of mountain running for both new and seasoned runners. This race combines manageable distance with the challenge of significant climbs in the beautiful Sierra Azul Preserve.
The Mt. Umunhum 9 Mile is 14km long.
The Mt. Umunhum 9 Mile takes place in San Jose, California, USA.
The Mt. Umunhum 9 Mile elevation gain is 736 metres, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Mt. Umunhum 9 Mile?
The Mt. Umunhum 9 Mile on June 7, 2025, provides a dynamic trail run with 736 meters of elevation gain, offering a taste of mountain running for both new and seasoned runners. This race combines manageable distance with the challenge of significant climbs in the beautiful Sierra Azul Preserve.
How long is the Mt. Umunhum 9 Mile?
The Mt. Umunhum 9 Mile is 14km long.
Where does the Mt. Umunhum 9 Mile take place?
The Mt. Umunhum 9 Mile takes place in San Jose, California, USA.
What is the elevation gain of the Mt. Umunhum 9 Mile?
The Mt. Umunhum 9 Mile elevation gain is 736 metres, which Runna classifies as a Hilly race.
How can I prepare for the Mt. Umunhum 9 Mile?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Mt. Umunhum 9 Mile?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Mt. Umunhum 10km?
How long is the Mt. Umunhum 10km?
Where does the Mt. Umunhum 10km take place?
What is the elevation gain of the Mt. Umunhum 10km?
How can I prepare for the Mt. Umunhum 10km?
How do I choose the right training plan for the Mt. Umunhum 10km?
The Mt. Umunhum 10km on June 7, 2025, features 452 meters of elevation gain, offering a quick but challenging trail race through the scenic paths of Sierra Azul. Perfect for runners of all levels, this race provides a compact trail experience with plenty of natural beauty.
The Mt. Umunhum 10km is 10km long.
The Mt. Umunhum 10km takes place in San Jose, California, USA.
The Mt. Umunhum 10km elevation gain is 452 metres, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Mt. Umunhum 10km?
The Mt. Umunhum 10km on June 7, 2025, features 452 meters of elevation gain, offering a quick but challenging trail race through the scenic paths of Sierra Azul. Perfect for runners of all levels, this race provides a compact trail experience with plenty of natural beauty.
How long is the Mt. Umunhum 10km?
The Mt. Umunhum 10km is 10km long.
Where does the Mt. Umunhum 10km take place?
The Mt. Umunhum 10km takes place in San Jose, California, USA.
What is the elevation gain of the Mt. Umunhum 10km?
The Mt. Umunhum 10km elevation gain is 452 metres, which Runna classifies as a Hilly race.
How can I prepare for the Mt. Umunhum 10km?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Mt. Umunhum 10km?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Mt. Umunhum 5km?
How long is the Mt. Umunhum 5km?
Where does the Mt. Umunhum 5km take place?
What is the elevation gain of the Mt. Umunhum 5km?
How can I prepare for the Mt. Umunhum 5km?
How do I choose the right training plan for the Mt. Umunhum 5km?
The Mt. Umunhum 5km on June 7, 2025, provides a scenic and accessible trail race with 219 meters of elevation gain, ideal for beginners or those looking for a quick nature escape. This short course offers beautiful views and gentle challenges that make it a perfect introduction to trail running.
The Mt. Umunhum 5km is 5km long.
The Mt. Umunhum 5km takes place in San Jose, California, USA.
The Mt. Umunhum 5km elevation gain is 219 metres, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Mt. Umunhum 5km?
The Mt. Umunhum 5km on June 7, 2025, provides a scenic and accessible trail race with 219 meters of elevation gain, ideal for beginners or those looking for a quick nature escape. This short course offers beautiful views and gentle challenges that make it a perfect introduction to trail running.
How long is the Mt. Umunhum 5km?
The Mt. Umunhum 5km is 5km long.
Where does the Mt. Umunhum 5km take place?
The Mt. Umunhum 5km takes place in San Jose, California, USA.
What is the elevation gain of the Mt. Umunhum 5km?
The Mt. Umunhum 5km elevation gain is 219 metres, which Runna classifies as a Hilly race.
How can I prepare for the Mt. Umunhum 5km?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Mt. Umunhum 5km?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
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Sport:
Running
Tags:
Nature
Altitude
Fun Run
Park
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Mt. Umunhum Ultras or Troy’s California Trail Runs. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the Mt. Umunhum Ultras website.
