Sulphur Springs Trail Race
Hamilton, Ontario, Canada
May, 2027 (TBD)
10k, 20k, 50k, 50mi, 100k, 100mi, Ultra, Relay
Race Report
It was apparent early on that avoiding the mud on the course wasn't going to be possible...
2017 100k Sulphur Springs Trail Race Report
Race Report
There was mud – and sometimes, lots of it! Some runners were stepping gingerly in the mud, but I just ran through it!
2017 Sulphu Springs Trail Race 10k Race Report
Video
Race Information
This unbelievable 20K looped course is a hidden gem inside the Dundas Valley Conservation Area of Ancaster, Ontario. With wildlife teeming through this old Carolinian Forest, and waterfalls cascading over rocks along the course, your legs may not even notice traversing the over 500m / 1500 feet of elevation per 20K loop. Expect to be challenged on this (mostly) double track trail as you are supported with 4 fully stocked Aid Stations along the way. The Sulphur Springs Trail Race 100K and 100 Mile events are now Western States Endurance Run Qualifying Races. The organizers are proud to be the newest in Canada and the first race in Ontario to serve as a WSER 100 Qualifier.
Related Events
Sulphur Springs Trail Race
Date: May, 2027 (TBD)
Size: 1,000 - 5,000 participants
Location: Hamilton, Ontario
👍 Run Pick of the Month: Muskoka Marathon Weekend
📍 Bracebridge, ON - October 3 & 4, 2026
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😄 Why We Like This Run
✅ Marathon, Half Marathon, 10K, 5K, or 1.5K distance options
✅ Unwind post-race at Muskoka’s lakes, stays, and dining
✅ Supports kids with serious illnesses through Campfire Circle’s camp programs
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Race Facts
Race Size: 1,000 - 5,000
Elevation: Lots of Hills
Course Type: Trail
Boston Qualifier: No
Kids Run: No
Where to Stay
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