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Running calendar Ontario 2025-2026

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Explore the best running races in Ontario for 2025-2026! Our updated list features 195 exciting races across the region. Find your next race in Ontario below and join the running community at these great events!

October 2025
Oct
13
Monday

Northumberland Turkey Trot

5 km
Oct
18
Saturday

Phoenix Trail Races

Trail Run 25 km 50 km
Oct
18-19
Sa - Su

Toronto Waterfront Marathon

5 km 21 km 42 km
Oct
19
Sunday

Art In Motion 10K

5 km 10 km
Oct
25
Saturday

Cornwall Multisport Club - Fall Road Race

5 km 10 km 21 km
Oct
26
Sunday

Niagara Falls Marathon

5 km 10 km 21 km 42 km
November 2025
Nov
1
Saturday

Hamilton Marathon Road2Hope

5 km 10 km 21 km 42 km
Nov
8
Saturday

RememberRun

5 km
December 2025
Dec
6
Saturday

The Leftovers Mystery Race

Trail Run 6 km 15 km 25 km
Dec
26
Friday

Boxing Day Run - Hamilton

4 mi 10 mi
February 2026
Feb
1
Sunday

Winterlude Triathlon

Triathlon
Feb
8
Sunday

Re-Fridgee-Eighter

5 km 8 mi
Feb
15
Sunday

Embrace Winter Run

3 km 5 km ... 21 km 42 km
March 2026
Mar
1
Sunday

Chilly Half Marathon

21 km
Mar
7
Saturday

cone5togo

5 km
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