Trail Running Calendar Ontario 2025-2026

Sep

20

Saturday

Monster of Mazinaw Trail Race

Cloyne, Ontario

Trail Run 10 km 30 km 43 km

Sep

21

Sunday

Willibald Pasture Dash

Ayr, Ontario

Trail Run 5 km 10 km

Sep

23

Tuesday

Kamview / Fresh Air Trail Run

Thunder Bay, Ontario

Trail Run

Sep

27

Saturday

Run Off-the-Grid

Mattawan, Ontario

Trail Run 12 km 25 km 50 km

Sep

27

Saturday

The Howling Ghost Trail Race

Aylmer, Ontario

Trail Run 8 km 16 km 24 km

Sep

28

Sunday

Albion Ascent Trail Race

Hamilton, Ontario

Trail Run 5 km 10 km 21 km

Oct

3-5

Fr - Su

Blue Bully Ultra

Collingwood, Ontario

Trail Run 3 km 5 km 25 km 50 km

Oct

4

Saturday

Upriver Running Fall Races

Thunder Bay, Ontario

Trail Run 10 km 25 km 50 km

Oct

5

Sunday

Run the Caves

Peterborough, Ontario

Trail Run 5 km 10 km 25 km 50 km

Oct

7

Tuesday

Kamview / Fresh Air Trail Run

Thunder Bay, Ontario

Trail Run

Oct

11

Saturday

Cornwall Multisport Club - Frightening Fall Trail Race

Cornwall, Ontario

Trail Run 6 km 12 km 18 km

Oct

11

Saturday

Sticks N' Stones Trail Race

Hamilton, Ontario

Trail Run 5 km 10 km 25 km 50 km

Oct

12

Sunday

Turkey Gobbler Trail Run

Greater Sudbury, Ontario

Trail Run 3 km 8 km

Oct

18

Saturday

Phoenix Trail Races

London, Ontario

Trail Run 25 km 50 km

Oct

18

Saturday

Creemore Vertical Challenge

Creemore, Ontario

Trail Run 14 km 27 km 55 km 80 km

Oct

18

Saturday

Wise Raven Trail Race

Waterloo, Ontario

Trail Run 5 km 10 km ... 50 km 6 hr

Oct

24

Friday

The Night Thing

Auburn, Ontario

Trail Run 7 km 12 km

Oct

25

Saturday

5 Peaks Cider Run

Uxbridge, Ontario

Trail Run 7 km 14 km 21 km

Oct

25

Saturday

The Bad Thing

Auburn, Ontario

Trail Run 25 km 50 km

Nov

1

Saturday

The Beav Trail Race

Milton, Ontario

Trail Run 10 km 25 km 50 km