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Running Calendar near St. Thomas 2025-2026

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Explore the top running races near St. Thomas for 2025-2026! We've gathered 14 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
October 2025
Oct
4
Saturday

Fall BackRoads to London Brewing Run

5 km 11 km ... 19 km 25 km
Oct
4
Saturday

Movement for Mental Health

10 km
Oct
5
Sunday

Caps Off Run Club Run To Port

8 km 12 km ... 17 km Half Marathon
Oct
9
Thursday

BackRoads Family Drumstick Dash

5 km
Oct
13
Monday

Turkey Trot - Byron

Trail Run 7 km
Oct
18
Saturday

Phoenix Trail Races

Trail Run 25 km 50 km
Oct
26
Sunday

Halloween Haunting

5 km 10 km
November 2025
Nov
22
Saturday

Kicking Pancreas 5K - London, Ontario

5 km
December 2025
Dec
6
Saturday

Santa Shuffle Fun Run

5 km
Dec
13
Saturday

BackRoads Festive 5K

8 km
May 2026
May
24
Sunday

Marathons For Mental Health 10k Race

5 km 10 km
May
30
Saturday

Lau's Jolly Lolly Loop 3.0

10 km
June 2026
Jun
13
Saturday

Run for Women - London

5 km 10 km
July 2026
Jul
25
Saturday

The 5K Foam Fest - London, ON

Obstacle Run 5 km
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