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ExploreFind your next start lineBrowse upcoming Canadian races by place, distance, and terrain.

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RacesOntarioBackyard Ultra Races in Ontario

Backyard Ultra Races in Ontario

Upcoming2racesNext upSep 12, 2026ThroughSep 2026

Browse 2 upcoming backyard ultra races in Ontario, with dates, venues, distances, and registration details for each listing. Also explore 5K, Road, 10K, 1K, and Trail races in Ontario, or compare options to find your next backyard ultra start line.

Distances

15 Hour (1) · 5K (1) · 6.71K (1) · Ultra (1)

Types

Backyard Ultra (2) · Cause-Based (2) · Road (1) · Timed Ultras (1)

Upcoming Featured Races in Ontario

UNFINISHED Series 2026

6.71KUltra15 Hour

Terry Fox Run Ottawa 2026

Backyard Ultra Races in Ontario 2026

September 2026

UNFINISHED Series 2026

6.71KUltra15 Hour

Terry Fox Run Ottawa 2026

More race types in Ontario

126 races

5K

104 races

Road

62 races

10K

59 races

1K

51 races

Trail