Fall races in Canada (2026)
Fall is when Canadian running peaks: the summer base is built, the air finally cooperates, and many of the country's biggest marathons land in these three months. Right now there are 278 races on the calendar between now and November 30 — 0 in September, 180 in October, 98 in November. This page is generated from live data and refreshes daily.
The marathons people train all summer for
- 122nd Annual Prince Edward Island Marathon
October 18, 2026 · Charlottetown, Prince Edward Island · 42km / 21km / 16km / 15km
- 22026 TCS Toronto Waterfront Marathon
October 18, 2026 · Toronto, Ontario · 42km / 21km / 5km / 1km
- 32026 Hamilton Marathon Road2Hope
November 1, 2026 · Hamilton, Ontario · 42km / 21km / 10km / 5km
- 42026 Boundary Bay 5K, 10K, Half, Marathon, 4-person Relay
November 1, 2026 · Delta, British Columbia · 42km / 21km / 10km / 5km
- 5Trail du Grand-duc 2026
October 25, 2026 · Stoneham-et-Tewkesbury, Quebec · 42km / 30km / 18km / 11km
- 62026 Cape Breton Fiddlers Marathon
October 18, 2026 · Sydney, Nova Scotia · 42km / 21km / 10km / 5km
- 7Hallows Eve 2026
October 24, 2026 · North Vancouver, British Columbia · 42km / 22km / 10km
- 8Marathon Duchesnay-Québec
October 24, 2026 · Sainte-Catherine-De-La-Jacques-Cartier, Quebec · Marathon / Half marathon / 10km / 5km
- 9Marathon Gaspesia de Percé
October 24, 2026 · Percé, Quebec · 42.2km / 21.1km / 10km / 5km
- 10Niagara Falls International Marathon
October 25, 2026 · Niagara Falls, Ontario · Marathon / Half marathon / 10km / 5km
Fall racing by province
Picking your fall race
Work backwards from race day. A marathon wants 16–18 weeks of buildup, a half wants 10–12, so a late-October goal race means your training block starts in early summer — and if that ship has sailed, September 5Ks and 10Ks are the honest play this year, with the marathon circled for next fall.
Don't assume you have to book early — many races take entries until race week — but a few big marathon weekends and capped trail races do fill, so check which races actually sell out and when entry fees step up. Registration deadlines are on every race page here, and you can filter by date and distance or get races near you.
Late-fall racing in Canada means dressing for two seasons in one morning — our cold-weather gear picks and the race-day checklist cover the throwaway-layer science.