The Sulphur Springs Trail Race is one of Canada's most popular and longest-running ultramarathon events, held in the scenic Dundas Valley Conservation Area in Ontario. Known for its rolling hills, forested trails, and well-maintained paths, the race challenges runners with a mix of elevation changes and technical terrain. The event offers a variety of distances, including 10K, 25K, 50K, 50-mile, 100K, and 100-mile races, making it accessible to both novice and experienced trail runners. As part of the Ontario Ultra Series, it attracts a competitive field while maintaining a friendly and welcoming atmosphere. With its natural beauty and well-organized support stations, Sulphur Springs is a favorite among trail and ultra-running enthusiasts.
Races
100 Mile
100km
50 Mile
50km
20km
10km
Race Date:
24 May, 2025
Taking on the Sulphur Springs 100 Mile is an endurance journey through the rugged beauty of Dundas Valley Conservation Area. This eight-lap challenge, with an elevation gain of 3,920 meters, allows participants to qualify for the prestigious Western States Endurance Run, making it a race to remember on May 24, 2025.
Race Date:
24 May, 2025
The 100km race at Sulphur Springs delivers 2,450 meters of elevation gain along a stunning five-loop route, testing the limits of endurance in Ontario’s picturesque Dundas Valley. Taking place on May 24, 2025, this ultra-marathon promises a day of community spirit and trail-running adventure.
Race Date:
24 May, 2025
The Sulphur Springs 50 Mile race combines scenic trails with a tough 1,960 meters of elevation gain, ideal for ultra runners seeking a challenging mid-distance race. Held on May 24, 2025, this course loops through the beautiful and demanding Dundas Valley landscape.
Race Date:
24 May, 2025
With 1,230 meters of elevation gain, the Sulphur Springs 50km race on May 24, 2025, provides a challenging introduction to ultra-running. This two-loop race offers a technical and scenic experience through Ontario’s Dundas Valley.
Race Date:
25 May, 2025
The 20km race at Sulphur Springs is a rewarding and scenic loop with 490 meters of elevation gain, set for May 25, 2025. This race provides both beginner trail runners and experienced athletes with a great opportunity to enjoy the trails of Dundas Valley.
Race Date:
25 May, 2025
The Sulphur Springs 10km is a well-rounded introduction to trail running, featuring 250 meters of elevation gain on May 25, 2025. Ideal for beginners, this race delivers a taste of the Dundas Valley’s trails and the camaraderie of the trail-running community.
Weather based on historical averages.
FAQs
What is the Sulphur Springs Trail Race Ultra 100 Mile?
How long is the Sulphur Springs Trail Race Ultra 100 Mile?
Where does the Sulphur Springs Trail Race Ultra 100 Mile take place?
What is the elevation gain of the Sulphur Springs Trail Race Ultra 100 Mile?
How can I prepare for the Sulphur Springs Trail Race Ultra 100 Mile?
How do I choose the right training plan for the Sulphur Springs Trail Race Ultra 100 Mile?
Taking on the Sulphur Springs 100 Mile is an endurance journey through the rugged beauty of Dundas Valley Conservation Area. This eight-lap challenge, with an elevation gain of 3,920 meters, allows participants to qualify for the prestigious Western States Endurance Run, making it a race to remember on May 24, 2025.
The Sulphur Springs Trail Race Ultra 100 Mile is 161km long.
The Sulphur Springs Trail Race Ultra 100 Mile takes place in Hamilton, Ontario, Canada.
The Sulphur Springs Trail Race Ultra 100 Mile elevation gain is 3920 meters, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalized 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 personalized 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 Sulphur Springs Trail Race Ultra 100 Mile?
Taking on the Sulphur Springs 100 Mile is an endurance journey through the rugged beauty of Dundas Valley Conservation Area. This eight-lap challenge, with an elevation gain of 3,920 meters, allows participants to qualify for the prestigious Western States Endurance Run, making it a race to remember on May 24, 2025.
How long is the Sulphur Springs Trail Race Ultra 100 Mile?
The Sulphur Springs Trail Race Ultra 100 Mile is 161km long.
Where does the Sulphur Springs Trail Race Ultra 100 Mile take place?
The Sulphur Springs Trail Race Ultra 100 Mile takes place in Hamilton, Ontario, Canada.
What is the elevation gain of the Sulphur Springs Trail Race Ultra 100 Mile?
The Sulphur Springs Trail Race Ultra 100 Mile elevation gain is 3920 meters, which Runna classifies as a Hilly race.
How can I prepare for the Sulphur Springs Trail Race Ultra 100 Mile?
The best way to train for the next race is to use a personalized 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 Sulphur Springs Trail Race Ultra 100 Mile?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized 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 Sulphur Springs Trail Race Ultra 100km?
How long is the Sulphur Springs Trail Race Ultra 100km?
Where does the Sulphur Springs Trail Race Ultra 100km take place?
What is the elevation gain of the Sulphur Springs Trail Race Ultra 100km?
How can I prepare for the Sulphur Springs Trail Race Ultra 100km?
How do I choose the right training plan for the Sulphur Springs Trail Race Ultra 100km?
The 100km race at Sulphur Springs delivers 2,450 meters of elevation gain along a stunning five-loop route, testing the limits of endurance in Ontario’s picturesque Dundas Valley. Taking place on May 24, 2025, this ultra-marathon promises a day of community spirit and trail-running adventure.
The Sulphur Springs Trail Race Ultra 100km is 100km long.
The Sulphur Springs Trail Race Ultra 100km takes place in Hamilton, Ontario, Canada.
The Sulphur Springs Trail Race Ultra 100km elevation gain is 2450 meters, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalized 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 personalized 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 Sulphur Springs Trail Race Ultra 100km?
The 100km race at Sulphur Springs delivers 2,450 meters of elevation gain along a stunning five-loop route, testing the limits of endurance in Ontario’s picturesque Dundas Valley. Taking place on May 24, 2025, this ultra-marathon promises a day of community spirit and trail-running adventure.
How long is the Sulphur Springs Trail Race Ultra 100km?
The Sulphur Springs Trail Race Ultra 100km is 100km long.
Where does the Sulphur Springs Trail Race Ultra 100km take place?
The Sulphur Springs Trail Race Ultra 100km takes place in Hamilton, Ontario, Canada.
What is the elevation gain of the Sulphur Springs Trail Race Ultra 100km?
The Sulphur Springs Trail Race Ultra 100km elevation gain is 2450 meters, which Runna classifies as a Hilly race.
How can I prepare for the Sulphur Springs Trail Race Ultra 100km?
The best way to train for the next race is to use a personalized 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 Sulphur Springs Trail Race Ultra 100km?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized 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 Sulphur Springs Trail Race Ultra 50 Mile?
How long is the Sulphur Springs Trail Race Ultra 50 Mile?
Where does the Sulphur Springs Trail Race Ultra 50 Mile take place?
What is the elevation gain of the Sulphur Springs Trail Race Ultra 50 Mile?
How can I prepare for the Sulphur Springs Trail Race Ultra 50 Mile?
How do I choose the right training plan for the Sulphur Springs Trail Race Ultra 50 Mile?
The Sulphur Springs 50 Mile race combines scenic trails with a tough 1,960 meters of elevation gain, ideal for ultra runners seeking a challenging mid-distance race. Held on May 24, 2025, this course loops through the beautiful and demanding Dundas Valley landscape.
The Sulphur Springs Trail Race Ultra 50 Mile is 80km long.
The Sulphur Springs Trail Race Ultra 50 Mile takes place in Hamilton, Ontario, Canada.
The Sulphur Springs Trail Race Ultra 50 Mile elevation gain is 1960 meters, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalized 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 personalized 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 Sulphur Springs Trail Race Ultra 50 Mile?
The Sulphur Springs 50 Mile race combines scenic trails with a tough 1,960 meters of elevation gain, ideal for ultra runners seeking a challenging mid-distance race. Held on May 24, 2025, this course loops through the beautiful and demanding Dundas Valley landscape.
How long is the Sulphur Springs Trail Race Ultra 50 Mile?
The Sulphur Springs Trail Race Ultra 50 Mile is 80km long.
Where does the Sulphur Springs Trail Race Ultra 50 Mile take place?
The Sulphur Springs Trail Race Ultra 50 Mile takes place in Hamilton, Ontario, Canada.
What is the elevation gain of the Sulphur Springs Trail Race Ultra 50 Mile?
The Sulphur Springs Trail Race Ultra 50 Mile elevation gain is 1960 meters, which Runna classifies as a Hilly race.
How can I prepare for the Sulphur Springs Trail Race Ultra 50 Mile?
The best way to train for the next race is to use a personalized 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 Sulphur Springs Trail Race Ultra 50 Mile?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized 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 Sulphur Springs Trail Race Ultra 50km?
How long is the Sulphur Springs Trail Race Ultra 50km?
Where does the Sulphur Springs Trail Race Ultra 50km take place?
What is the elevation gain of the Sulphur Springs Trail Race Ultra 50km?
How can I prepare for the Sulphur Springs Trail Race Ultra 50km?
How do I choose the right training plan for the Sulphur Springs Trail Race Ultra 50km?
With 1,230 meters of elevation gain, the Sulphur Springs 50km race on May 24, 2025, provides a challenging introduction to ultra-running. This two-loop race offers a technical and scenic experience through Ontario’s Dundas Valley.
The Sulphur Springs Trail Race Ultra 50km is 50km long.
The Sulphur Springs Trail Race Ultra 50km takes place in Hamilton, Ontario, Canada.
The Sulphur Springs Trail Race Ultra 50km elevation gain is 1230 meters, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalized 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 personalized 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 Sulphur Springs Trail Race Ultra 50km?
With 1,230 meters of elevation gain, the Sulphur Springs 50km race on May 24, 2025, provides a challenging introduction to ultra-running. This two-loop race offers a technical and scenic experience through Ontario’s Dundas Valley.
How long is the Sulphur Springs Trail Race Ultra 50km?
The Sulphur Springs Trail Race Ultra 50km is 50km long.
Where does the Sulphur Springs Trail Race Ultra 50km take place?
The Sulphur Springs Trail Race Ultra 50km takes place in Hamilton, Ontario, Canada.
What is the elevation gain of the Sulphur Springs Trail Race Ultra 50km?
The Sulphur Springs Trail Race Ultra 50km elevation gain is 1230 meters, which Runna classifies as a Hilly race.
How can I prepare for the Sulphur Springs Trail Race Ultra 50km?
The best way to train for the next race is to use a personalized 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 Sulphur Springs Trail Race Ultra 50km?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized 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 Sulphur Springs Trail Race 20km?
How long is the Sulphur Springs Trail Race 20km?
Where does the Sulphur Springs Trail Race 20km take place?
What is the elevation gain of the Sulphur Springs Trail Race 20km?
How can I prepare for the Sulphur Springs Trail Race 20km?
How do I choose the right training plan for the Sulphur Springs Trail Race 20km?
The 20km race at Sulphur Springs is a rewarding and scenic loop with 490 meters of elevation gain, set for May 25, 2025. This race provides both beginner trail runners and experienced athletes with a great opportunity to enjoy the trails of Dundas Valley.
The Sulphur Springs Trail Race 20km is 20km long.
The Sulphur Springs Trail Race 20km takes place in Hamilton, Ontario, Canada.
The Sulphur Springs Trail Race 20km elevation gain is 490 meters, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalized 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 personalized 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 Sulphur Springs Trail Race 20km?
The 20km race at Sulphur Springs is a rewarding and scenic loop with 490 meters of elevation gain, set for May 25, 2025. This race provides both beginner trail runners and experienced athletes with a great opportunity to enjoy the trails of Dundas Valley.
How long is the Sulphur Springs Trail Race 20km?
The Sulphur Springs Trail Race 20km is 20km long.
Where does the Sulphur Springs Trail Race 20km take place?
The Sulphur Springs Trail Race 20km takes place in Hamilton, Ontario, Canada.
What is the elevation gain of the Sulphur Springs Trail Race 20km?
The Sulphur Springs Trail Race 20km elevation gain is 490 meters, which Runna classifies as a Hilly race.
How can I prepare for the Sulphur Springs Trail Race 20km?
The best way to train for the next race is to use a personalized 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 Sulphur Springs Trail Race 20km?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized 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 Sulphur Springs Trail Race 10km?
How long is the Sulphur Springs Trail Race 10km?
Where does the Sulphur Springs Trail Race 10km take place?
What is the elevation gain of the Sulphur Springs Trail Race 10km?
How can I prepare for the Sulphur Springs Trail Race 10km?
How do I choose the right training plan for the Sulphur Springs Trail Race 10km?
The Sulphur Springs 10km is a well-rounded introduction to trail running, featuring 250 meters of elevation gain on May 25, 2025. Ideal for beginners, this race delivers a taste of the Dundas Valley’s trails and the camaraderie of the trail-running community.
The Sulphur Springs Trail Race 10km is 10km long.
The Sulphur Springs Trail Race 10km takes place in Hamilton, Ontario, Canada.
The Sulphur Springs Trail Race 10km elevation gain is 250 meters, which Runna classifies as a Hilly race.
The best way to train for the next race is to use a personalized 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 personalized 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 Sulphur Springs Trail Race 10km?
The Sulphur Springs 10km is a well-rounded introduction to trail running, featuring 250 meters of elevation gain on May 25, 2025. Ideal for beginners, this race delivers a taste of the Dundas Valley’s trails and the camaraderie of the trail-running community.
How long is the Sulphur Springs Trail Race 10km?
The Sulphur Springs Trail Race 10km is 10km long.
Where does the Sulphur Springs Trail Race 10km take place?
The Sulphur Springs Trail Race 10km takes place in Hamilton, Ontario, Canada.
What is the elevation gain of the Sulphur Springs Trail Race 10km?
The Sulphur Springs Trail Race 10km elevation gain is 250 meters, which Runna classifies as a Hilly race.
How can I prepare for the Sulphur Springs Trail Race 10km?
The best way to train for the next race is to use a personalized 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 Sulphur Springs Trail Race 10km?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized 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 Sulphur Springs Trail Race or Burlington Runners Club. 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 Sulphur Springs Trail Race website.
