The Denali Ultras, organized by Spirit Trips, is an annual series of endurance races held along Alaska's historic Denali Highway. The 2025 event, scheduled from June 21 to June 23, features three race distances: 135km, 100km, 50km. Each race provides a unique opportunity to experience the breathtaking beauty of Alaska's wilderness, with the majestic Denali and surrounding mountains as a backdrop. Participants can also support local charities, such as the Denali Education Center, through fundraising efforts associated with the event.
Races
135 Meile
100 km
50km
Race Date:
21 June, 2025
The Denali 135 Mile Ultra, organized by Spirit Trips, is a grueling endurance race spanning 135 miles along the stunning Denali Highway in Alaska. With 8,800 feet (2,682 meters) of elevation gain, this race tests the limits of even the most experienced ultrarunners.
Race Date:
21 June, 2025
The Denali 100K Ultra, organized by Spirit Trips, offers a challenging 100-kilometer journey along the Denali Highway, featuring 18 hours of nonstop adventure. This race combines scenic beauty with technical difficulty, making it a rewarding challenge for seasoned ultrarunners.
Race Date:
21 June, 2025
The Denali 50K Ultra, organized by Spirit Trips, is a 31-mile trail adventure along Alaska’s majestic Denali Highway. This race provides runners with a shorter yet equally scenic and challenging experience, featuring 1,500 feet of elevation gain and a 9-hour time limit.
Weather based on historical averages.
FAQs
What is the Denali 135 Mile?
How long is the Denali 135 Mile?
Where does the Denali 135 Mile take place?
What is the elevation gain of the Denali 135 Mile?
How can I prepare for the Denali 135 Mile?
How do I choose the right training plan for the Denali 135 Mile?
The Denali 135 Mile Ultra, organized by Spirit Trips, is a grueling endurance race spanning 135 miles along the stunning Denali Highway in Alaska. With 8,800 feet (2,682 meters) of elevation gain, this race tests the limits of even the most experienced ultrarunners.
The Denali 135 Mile is 217km long.
The Denali 135 Mile takes place in Paxson, Alaska, USA.
The Denali 135 Mile elevation gain is 2682 metres, which Runna classifies as a Moderate 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 Denali 135 Mile?
The Denali 135 Mile Ultra, organized by Spirit Trips, is a grueling endurance race spanning 135 miles along the stunning Denali Highway in Alaska. With 8,800 feet (2,682 meters) of elevation gain, this race tests the limits of even the most experienced ultrarunners.
How long is the Denali 135 Mile?
The Denali 135 Mile is 217km long.
Where does the Denali 135 Mile take place?
The Denali 135 Mile takes place in Paxson, Alaska, USA.
What is the elevation gain of the Denali 135 Mile?
The Denali 135 Mile elevation gain is 2682 metres, which Runna classifies as a Moderate race.
How can I prepare for the Denali 135 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 Denali 135 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 Denali 100km?
How long is the Denali 100km?
Where does the Denali 100km take place?
What is the elevation gain of the Denali 100km?
How can I prepare for the Denali 100km?
How do I choose the right training plan for the Denali 100km?
The Denali 100K Ultra, organized by Spirit Trips, offers a challenging 100-kilometer journey along the Denali Highway, featuring 18 hours of nonstop adventure. This race combines scenic beauty with technical difficulty, making it a rewarding challenge for seasoned ultrarunners.
The Denali 100km is 100km long.
The Denali 100km takes place in Paxson, Alaska, USA.
Runna classifies the Denali 100km elevation profile as Moderate.
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 Denali 100km?
The Denali 100K Ultra, organized by Spirit Trips, offers a challenging 100-kilometer journey along the Denali Highway, featuring 18 hours of nonstop adventure. This race combines scenic beauty with technical difficulty, making it a rewarding challenge for seasoned ultrarunners.
How long is the Denali 100km?
The Denali 100km is 100km long.
Where does the Denali 100km take place?
The Denali 100km takes place in Paxson, Alaska, USA.
What is the elevation gain of the Denali 100km?
Runna classifies the Denali 100km elevation profile as Moderate.
How can I prepare for the Denali 100km?
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 Denali 100km?
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 Denali 50km?
How long is the Denali 50km?
Where does the Denali 50km take place?
What is the elevation gain of the Denali 50km?
How can I prepare for the Denali 50km?
How do I choose the right training plan for the Denali 50km?
The Denali 50K Ultra, organized by Spirit Trips, is a 31-mile trail adventure along Alaska’s majestic Denali Highway. This race provides runners with a shorter yet equally scenic and challenging experience, featuring 1,500 feet of elevation gain and a 9-hour time limit.
The Denali 50km is 50km long.
The Denali 50km takes place in Paxson, Alaska, USA.
Runna classifies the Denali 50km elevation profile as Moderate.
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 Denali 50km?
The Denali 50K Ultra, organized by Spirit Trips, is a 31-mile trail adventure along Alaska’s majestic Denali Highway. This race provides runners with a shorter yet equally scenic and challenging experience, featuring 1,500 feet of elevation gain and a 9-hour time limit.
How long is the Denali 50km?
The Denali 50km is 50km long.
Where does the Denali 50km take place?
The Denali 50km takes place in Paxson, Alaska, USA.
What is the elevation gain of the Denali 50km?
Runna classifies the Denali 50km elevation profile as Moderate.
How can I prepare for the Denali 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 Denali 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!
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Sport:
Running
Tags:
Nature
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Denali Ultras or Spirit Trips. 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 Denali Ultras website.
