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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!

April 2025
Apr
19
Saturday

The Foxtail Rail Trail Race

Trail Run 5 km 10 km 25 km 50 km
Apr
19
Saturday

The Howling Wolf

Trail Run 5 km 10 km 21 km
Apr
26
Saturday

Pick Your Poison Trail Run

Trail Run 12 km 25 km 50 km
Apr
27
Sunday

Southern Footprints

Trail Run 5 km 10 km 15 km
May 2025
May
3
Saturday

The Rugged Raccoon Night Race

Trail Run 10 km 25 km 50 km
May
3
Saturday

Suntrail - Pure Grit Trail Race

Trail Run 5 km 7 km ... 30 km 6 hr
May
3
Saturday

Tails on Trails

Trail Run 5 km
May
10
Saturday

Conquer The Canuck

Trail Run 12 km 25 km 50 km 12 hr
May
16
Friday

The First Hour

Trail Run 8 km
May
24-25
Sa - Su

Sulphur Springs Trail Race

Trail Run 10 km 20 km ... 100 km 100 mi
May
31
Saturday

Great Mansfield Outdoors

Trail Run 5 km 10 km 25 km 50 km
June 2025
Jun
7
Saturday

Twelve Mile Creek Trail Half marathon

Trail Run 7 km 21 km
Jun
7
Saturday

The Ridge Runner

Trail Run 5 km 10 km 21 km
Jun
7
Saturday

International Hallers' Run

Trail Run 5 km 10 km
Jun
8-13
Su - Fr

Northumberland Run Forest Run

Trail Run 3 km 7 km 9 km 24 km
Jun
14
Saturday

Rainbow Trail Run - Alliston

Trail Run 12 km 60 km
Jun
14
Saturday

Look Out Trail Race

Trail Run 7 km 14 km 21 km
Jun
21
Saturday

Boomerang Trail Run

Trail Run 2 hr 4 hr 6 hr
Jun
21
Saturday

The Whole Enchilada

Trail Run 4 km 8 km 25 km 50 km
Jun
22
Sunday

Uxbridge Run for the Diamond

Trail Run 5 km 10 km
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