Races in July 2027 in Ontario
23 races with a confirmed date in July 2027 across Ontario — the biggest group is 5K races (8). The busiest day is Thursday, July 1, 2027 with 5 races. Every listing links to the organizer's official registration page.
The big ones in July
Multi-distance race weekends — the ones worth planning around.
- Thursday, July 1, 2027
Canada Day Races
Burlington, ON · Road · 5km / 3km / 1km · from $14
- Saturday, July 3, 2027
The Limberlost Challenge
Huntsville, ON · Trail · 56km / 42km / 28km / 14km
- Sunday, July 4, 2027
Mudskipper Swimrun Kelso Lake and the Kelso Open Water Swim
Milton, ON · Swim · 20km / 15km / 10km / 5km · from $9
- Sunday, July 4, 2027
Welland Run 10K 2027
Welland, ON · Road · 10km / 5km / 2km · from $56
- Saturday, July 10, 2027
2027 Summit 700 Trail Runs
Grey County, ON · Trail · 50km / 21km / 10km / 5km · from $66
- Saturday, July 10, 2027
Dark & Dirty Night Race
Batawa, ON · Trail · 21km / 14km / 7km
- Saturday, July 17, 2027
Bluewater Triathlon and Duathlon - 2027
Sarnia, ON · Tri · 51km / 41km / 25km
- Sunday, July 18, 2027
Mudskipper SwimRun Parry Sound, Open Water Swim and Trail Run.
Parry Sound, ON · Swim · 25km / 12km / 10km / 5km · from $11
What July is made of
Where they are
Every race in July
When
23 races listed
- Thursday, July 1, 2027

Canada Day Road Race
North Bay, ON · Road running · 5km / 10km · from 35
- Thursday, July 1, 2027

Canada Day Races
Burlington, ON · Road running · 5km / 1km / 3km · from 14
- Thursday, July 1, 2027

Canada Day Brantford 2027
Brantford, ON · Road running · 5km / 1km · from 19
- Thursday, July 1, 2027

Canada Day Barrie 2027
Barrie, ON · Road running · 5km / 1km · from 19
- Thursday, July 1, 2027

Canada Day Ottawa 2027
Ottawa, ON · Road running · 1km / 5km · from 19
- Saturday, July 3, 2027
The Limberlost Challenge
Huntsville, ON · Trail · 56km / 42km / 28km / 14km
- Sunday, July 4, 2027

Mudskipper Swimrun Kelso Lake and the Kelso Open Water Swim
Milton, ON · Swim · 10km / 20km / 1000m / 3km · from 9
- Sunday, July 4, 2027

Welland Run 10K 2027
Welland, ON · Road running · 10km / 5km / 2km · from 56
- Saturday, July 10, 2027

Bracebridge - Sat July 10 and Sun July 11
Bracebridge, ON · Triathlon / duathlon · 51km / 25km · from 92
- Saturday, July 10, 2027

2027 Summit 700 Trail Runs
Grey County, ON · Trail · 1km / 5km / 10km / 21km · from 66
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.
- Saturday, July 10, 2027

The 5K Foam Fest - Kitchener, ON
Kitchener, ON · Obstacle (OCR) · 5km · from 58
- Saturday, July 10, 2027
Utopia Backyard Ultra
Utopia, ON · Trail · 6.7km
- Saturday, July 10, 2027
Dark & Dirty Night Race
Batawa, ON · Trail · 21km / 14km / 7km
- Saturday, July 17, 2027

The 5K Foam Fest - Wasaga Beach, ON
Wasaga Beach, ON · Obstacle (OCR) · 5km · from 58
- Saturday, July 17, 2027

Bluewater Triathlon and Duathlon - 2027
Sarnia, ON · Triathlon / duathlon · 51km / 25km / 41km
- Sunday, July 18, 2027

Mudskipper SwimRun Parry Sound, Open Water Swim and Trail Run.
Parry Sound, ON · Swim · 2km / 4km / 10km / 12km · from 11
- Sunday, July 18, 2027

Ironkid Triathlon 2027
Sarnia, ON · Triathlon / duathlon · from 24
- Sunday, July 18, 2027
K-Town Tri
Kingston, ON · Triathlon / duathlon
- Sunday, July 18, 2027
IRONMAN 70.3 Muskoka
Huntsville, ON · Triathlon / duathlon · 1.9km / 90km / 21.1km
- Friday, July 23, 2027
One More Hour: Part Of the Happy Hour Series
Hillier, ON · Trail · 6km
- Saturday, July 24, 2027

The 5K Foam Fest - London, ON
London, ON · Obstacle (OCR) · 5km · from 58
- Sunday, July 25, 2027
Supertri Toronto
Toronto, ON · Triathlon / duathlon
- Saturday, July 31, 2027

Persistence Backyard Ultra
Arva, ON · Trail · from 220
Races in July 2027 — FAQ
- How many races are there in July 2027 in Ontario?
- 23 with a confirmed date, and the biggest group is 5K races with 8. The busiest single day is Thursday, July 1, 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 July 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.