Running Calendar Ontario 2025-2026

Oct

25

Saturday

5 Peaks Cider Run

Uxbridge, Ontario

Trail Run 7 km 14 km 21 km

Oct

25

Saturday

Halloween 10K

North End West, Ontario

5 km 10 km

Oct

25

Saturday

The Bad Thing

Auburn, Ontario

Trail Run 25 km 50 km

Oct

26

Sunday

Niagara Falls Marathon

Niagara Falls, Ontario

5 km 10 km 21 km 42 km

Oct

26

Sunday

Halloween Haunting

Byron, Ontario

5 km 10 km

Oct

26

Sunday

Haunted Hustle - Oakville

Oakville, Ontario

5 km 10 km

Nov

1

Saturday

Hamilton Marathon Road2Hope

Hamilton, Ontario

5 km 10 km 21 km 42 km

Nov

1

Saturday

The Beav Trail Race

Milton, Ontario

Trail Run 10 km 25 km 50 km

Nov

2

Sunday

KRRA 10K Anniversary Run

Kingston, Ontario

10 km

Nov

2

Sunday

Run519

East Riverside, Ontario

5 km

Nov

4

Tuesday

Kamview / Fresh Air Trail Run

Thunder Bay, Ontario

Trail Run

Nov

8

Saturday

RememberRun

Cambridge, Ontario

5 km

Nov

8

Saturday

Casablanca Classic 8k

Stoney Creek, Ontario

3 km 8 km

Nov

15

Saturday

The Lost Valley Trail Race

Dundas, Ontario

Trail Run 10 km 25 km

Nov

16

Sunday

Fat Ass Trail Run

Quinte West, Ontario

Trail Run 5 km 7 km ... 50 km 6 hr

Nov

22

Saturday

Kicking Pancreas 5K - London, Ontario

London, Ontario

5 km

Nov

29

Saturday

Chill Session

Mulmur, Ontario

Trail Run 5 km 10 km

Nov

30

Sunday

Kicking Pancreas 5K - Burlington Ontario

Burlington, Ontario

5 km

Dec

6

Saturday

The Leftovers Mystery Race

Dundas, Ontario

Trail Run 6 km 15 km 25 km

Dec

6

Saturday

The Golden Spike Trail Race

Milton, Ontario

Trail Run 5 km 10 km 21 km