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Races in October 2026

327 races with a confirmed date in October 2026 across Canada — the biggest group is 5K races (211). The busiest day is Sunday, October 4, 2026 with 79 races. Every listing links to the organizer's official registration page.

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The big ones in October

Multi-distance race weekends — the ones worth planning around.

What October is made of

5K races · 21110K races · 131Half marathons · 64Marathons · 23Ultramarathons · 17

By province

Ontario · 116Quebec · 65British Columbia · 52Alberta · 24New Brunswick · 15Manitoba · 13Saskatchewan · 13Nova Scotia · 13Newfoundland and Labrador · 10Prince Edward Island · 6

Where they are

Toronto · 10Winnipeg · 9Edmonton · 8Montréal · 8Vancouver · 7Kelowna · 6London · 6Ottawa · 6Calgary · 5Saskatoon · 5Hamilton · 4Moncton · 4

Every race in October

327 races listed

Other months

September 2026November 2026December 2026January 2027February 2027

Races in October 2026 — FAQ

How many races are there in October 2026 in Canada?
327 with a confirmed date, and the biggest group is 5K races with 211. The busiest single day is Sunday, October 4, 2026, with 79 races. Recompiled nightly from the organizers' own calendars, so the number moves as races are announced.
When should I register for a October race?
Most Canadian races take entries until race week — what expires first is the price tier, not the spot. Check the fee window on the race's page before you wait.
Do I sign up here?
No. Every listing links straight to the organizer's own registration page. RaceFinder never takes signups or a cut.

Planning further out? Build a season, see when race season peaks in Canada, or check which entry fees go up next.