12hr ultramarathons in Canada (Central)

4.3-mile repeated loop course with 420 feet of elevation gain per loop, building to a 100-mile, 9,700-foot ultramarathon challenge

Urban loop in central London with mild elevation changes, certified course, city scenery, and supportive atmosphere for ultra-distance performance

Flat, non-technical 3 km lap course through wooded trail, open meadow and vineyard at Sugarbush Vineyard, with timed formats up to 24 hours.

Backyard ultra format on a 6.7 km trail loop, alternating direction each round, with 150 m of climbing and technical mixed terrain.

Scenic 6.25 km loop through forest trails and gravel paths with hills at Shade’s Mills Conservation Area, offering distances up to 50 km plus 12-hour options.

5.9km loop with 266m elevation gain per lap, combining rolling paths, steep climbs, technical single track, rocky switchbacks, and wet spots

3.38km loop on Kamview Nordic Centre cross-country trails, including unlit nighttime sections and scenic views, with solo or relay options

Looped course format with hourly starts, last runner standing, Canadian National Backyard qualifier, Bronze Coin level event