Trail Running Calendar Ontario 2026-2027

Experience a unique 5 km obstacle run at Boler Mountain featuring foam and oversized slides. Open to ages 7 and up with a dedicated kids zone and festival atmosphere for the whole family.

Experience a diverse trail event in Hamilton featuring loop-based distances from 7 km to 100 miles and unique timed elimination challenges.

Test your endurance at Ontario's original affiliated backyard ultra on a flat course in Arva to compete for a Silver Ticket to the World Team Championship.

Experience a technical trail race through Ontario's Beaver Valley featuring waterfalls and steep climbs. Choose between a marathon, half marathon, or the two day Bruce Deuce challenge.

The ENDURrun is the ultimate test of endurance: 160 km across seven stages over eight days in August 2026. The challenge includes a half marathon, cross country, marathon, and time trials. Relay team and individual stage guest options are a..

Trail racing at Kawartha Nordic Ski Club on August 15, 2026. Events range from a kids run to a 52 km ultra, with aid stations and a transition area for ultra runners.

XTERRA Sleeping Giant in Thunder Bay features off road triathlon, duathlon and trail runs on mesa and Boreal forest trails by Lake Superior. Multiple distances are available and Full distance spots qualify for XTERRA World Championships.

Join an 8 km trail run through the pine groves and rolling terrain of Vanderwater Conservation Area. This final race in the Happy Hour series offers a scenic route along the Moira River for runners of all levels.

Test your limits on the rugged Bruce Trail with technical courses ranging from 16 to 66 km at the Devil's Glen Country Club. Experience steep climbs and unique landmarks in this sanctioned Ontario trail event.

A 24 hour trail running festival at Hardwood Ski and Bike in Oro Medonte on August 22-23, 2026. Teams of 8, 4, 2 or solo runners take turns on 8 km hourly laps while a camping village, food service and evening events run alongside.

Join this unique 5k obstacle fun run in Ottawa featuring over 25 obstacles and plenty of foam. Open to all ages and abilities, the event includes a festival area, beer garden, and free kids zone.

Join the Spartan Event Weekend at Calabogie Peaks for a series of technical obstacle races near Ottawa. Experience mountain terrain and lakeside views across distances ranging from 5 km to 12 hour endurance challenges.

Trail races at Calabogie Peaks on August 23, 2026 feature wooded singletrack, technical sections and lake views. Distances include 10K and half marathon with average conditions around 18ºC and 272 m altitude.

A two day obstacle course event in Uxbridge with an approximate 5K route, 25 plus optional obstacles including a large inflatable waterslide and mud pits, plus festival amenities and a free kids zone for young children.

Trail running at Albion Hills Conservation Park with singletrack trails along the Humber River. Three distance options with maps, aid stations and on site awards; swag and finisher medals available for purchase.

The SOO 200 is eastern Canada's only 200-mile ultramarathon. It challenges athletes on a rugged course through the Searchmont, Ontario landscape. This technical event requires specific safety gear and precise navigation.

The Haliburton Forest Trail Race marks its 33rd year in 2026. Participants can run distances from 12K to 100 miles on the rugged, wooded trails of a private forest reserve.

A weekend of trail running in the stunning landscapes of Bruce Peninsula National Park. Saturday features 7km, 21km, and 42km races on the Bruce Trail, while Sunday offers a unique 5km run on Flowerpot Island, complete with a boat ride. The..

Experience a fast road race along the beautiful Lake Nipissing waterfront in Ontario. Offering distances from a kids mile to a half marathon this event supports YMCA summer camps for local children.

Test your grit at Gopher Dunes with 5 km or 15 km obstacle courses set in rugged Ontario terrain. Enjoy a vibrant festival atmosphere and earn your iconic orange headband alongside your teammates.