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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 59 exciting races across the region. Find your next race in Ontario below and join the running community at these great events!

July 2025
Jul
5
Saturday

The Limberlost Challenge

Trail Run 7 km 14 km ... 42 km 56 km
Jul
5
Saturday

Summit 700 Trail Runs

Trail Run 5 km 10 km 21 km 50 km
Jul
8
Tuesday

Kamview / Fresh Air Trail Run

Trail Run
Jul
12
Saturday

The First Blaze Trail Race

Trail Run 10 km 25 km 50 km
Jul
12
Saturday

Dark & Dirty

Trail Run 7 km 14 km
Jul
13
Sunday

The ENDURrun Sport 80 KM

Trail Run 5 km 7 km ... 21 km 80 km
Jul
19-20
Sa - Su

Xterra Conquer the Crater

Trail Run 5 km 10 km 21 km 42 km
Jul
19
Saturday

Trails North Workshop

Trail Run 8 km
Jul
21
Monday

Soo 200

Trail Run 200 mi
Jul
22
Tuesday

Kamview / Fresh Air Trail Run

Trail Run
Jul
26
Saturday

Tally in the Valley Trail Race

Trail Run 7 km 21 km ... 100 mi 24 hr
August 2025
Aug
5
Tuesday

Kamview / Fresh Air Trail Run

Trail Run
Aug
9-10
Sa - Su

Middle Path Trail Race

Trail Run 5 km 13 km 52 km
Aug
9
Saturday

Falling Water Trail Marathon

Trail Run 21 km 42 km
Aug
10
Sunday

Xterra Sleeping Giant

Trail Run 5 km 10 km 25 km
Aug
19
Tuesday

Kamview / Fresh Air Trail Run

Trail Run
Aug
23
Saturday

Lines and Loops at Harold Town C.A.

Trail Run 6 km 18 km 30 km
Aug
23
Saturday

The Devil's Key

Trail Run 15 km 33 km 66 km
Aug
24
Sunday

Calabogie Peaks Trail Run

Trail Run 10 km 21 km
Aug
26
Tuesday

Kamview / Fresh Air Trail Run

Trail Run
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