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Races in June 2027 in Ontario

29 races with a confirmed date in June 2027 across Ontario — the biggest group is 5K races (17). The busiest day is Saturday, June 19, 2027 with 5 races. Every listing links to the organizer's official registration page.

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The big ones in June

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

What June is made of

5K races · 1710K races · 16Half marathons · 4Ultramarathons · 4Marathons · 1

Where they are

Toronto · 3Kawartha Lakes · 2Ottawa · 2Barrie · 1Brighton · 1Burlington · 1Caledon · 1Conestogo · 1Gravenhurst · 1Hamilton · 1London · 1Milton · 1

Every race in June

When

29 races listed

New races in Ontario, once a month

Newly listed races, and the registrations closing in the next three weeks. One email a month. Every subscriber is in the monthly $25 gift-card draw, held on the 1st. One click to leave.

Other months

November 2026December 2026January 2027February 2027March 2027April 2027

Races in June 2027 — FAQ

How many races are there in June 2027 in Ontario?
29 with a confirmed date, and the biggest group is 5K races with 17. The busiest single day is Saturday, June 19, 2027, with 5 races. Recompiled nightly from the organizers' own calendars, so the number moves as races are announced.
When should I register for a June 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.