
About the event
Set for May 24, 2025, the Sulphur Springs 100km race invites ultra-runners to experience the beauty and rigor of Dundas Valley Conservation Area. Featuring a challenging 2,450 meters of elevation, the five-loop course offers climbs, descents, and forested trails that are ideal for seasoned trail runners. Organized by the Burlington Runners Club, this race provides UTMB points and serves as a great goal for those building up to the 100-mile distance. With well-placed aid stations, this event combines the thrill of the ultra-distance with the camaraderie of the trail-running community.
Date:
Sat
May 24
2025
Location:
Distance:
Elevation profile:
Hilly
Website:
LinkElevation gain:
Number of participants:
Other distances for this race
Sulphur Springs Trail Race Ultra 100km
Sulphur Springs Trail Race Ultra 100km
Sulphur Springs Trail Race Ultra 100km
Sulphur Springs Trail Race Ultra 100km
Sulphur Springs Trail Race Ultra 100km
Sulphur Springs Trail Race Ultra 100km
Sulphur Springs Trail Race Ultra 100km
Sulphur Springs Trail Race Ultra 100km
Find the best training plan for your goals and the distance you’re planning to run:
Stories from Runnas
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.
If you are an official race organiser with any questions about this page, please get in touch: races@runna.com
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