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Trail Running Calendar Ontario 2025-2026

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Explore the best trail runs in Ontario for 2025-2026! Our updated list features 52 exciting races across the region. Find your next race in Ontario below and join the running community at these great events!

October 2025
Oct
3-5
Fr - Su

Blue Bully Ultra

Trail Run 3 km 5 km 25 km 50 km
Oct
4
Saturday

Upriver Running Fall Races

Trail Run 10 km 25 km 50 km
Oct
5
Sunday

Run the Caves

Trail Run 5 km 10 km 25 km 50 km
Oct
11
Saturday

Cornwall Multisport Club - Frightening Fall Trail Race

Trail Run 6 km 12 km 18 km
Oct
12
Sunday

Turkey Gobbler Trail Run

Trail Run 3 km 8 km
Oct
18
Saturday

Phoenix Trail Races

Trail Run 25 km 50 km
Oct
18
Saturday

Creemore Vertical Challenge

Trail Run 14 km 27 km 55 km 80 km
November 2025
Nov
15
Saturday

The Lost Valley Trail Race

Trail Run 10 km 25 km
Nov
16
Sunday

Fat Ass Trail Run

Trail Run 5 km 7 km ... 50 km 6 hr
Nov
29
Saturday

Chill Session

Trail Run 5 km 10 km
December 2025
Dec
6
Saturday

The Leftovers Mystery Race

Trail Run 6 km 15 km 25 km
Dec
6
Saturday

The Golden Spike Trail Race

Trail Run 5 km 10 km 21 km
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