5K races in St Thomas
1 upcoming in St Thomas, and 44 more within 100km. Every one links to the organizer's official registration page.
Within 100km of St Thomas
Sorted by how far you would have to drive.
- 15 km
Bestie Dash 5K
Elgin County, ON · Road · 5km · starts 9:30 a.m.
- 17 km
Journey for Change 2026
Aylmer, ON · Road · 12km / 24km / 34km / 5km · starts 9 a.m.
- 23 km
SUMMER NIGHT 5K
London, ON · Road · 5km / 2km / 250m · starts 7 p.m.
- 23 km
Caffeine Run London
London, ON · Road · 5km / 10km / 21km · starts 7:30 a.m.
- 23 km
Maggie's Run
London, ON · Road · 5km / 10km / 2km · starts 9 a.m.
- 23 km
Run for London 2026
London, ON · Road · 10km / 5km / 3km · starts 9 a.m.
- 23 km
Terry Fox Run — London
London, ON · Road · 5km
- 23 km
Jordan’s Run the Runway 5K Series: London
London, ON · Road · 5km / 1km · starts 5:30 p.m.
- 23 km
Springbank Road Races London
London, ON · Road · 21km / 5km / 250m / 2km · starts 8:30 a.m.
- 23 km
CIBC Run for the Cure — London
London, ON · Road · 5km / 1km
- 23 km
Run for Resilience 2026
London, ON · Road · 1km / 5km / 10km · starts 7:15 a.m.
- 23 km
Turkey Trot
London, ON · Road · 6km / 2km / 200m · starts 10 a.m.
- 23 km
Tails on Trails
London, ON · Trail · 5km / 1km · starts 9:30 a.m.
- 23 km
Halloween Haunting
London, ON · Road · 10km / 5km / 2km / 300m · starts 10 a.m.
- 23 km
Kicking PancreAS™ 5K - London, ON
London, ON · Road · 5km · starts 4 p.m.
- 23 km
2026 Santa Shuffle London: Fun Run & Elf Walk
London, ON · Road · 5km · starts 10 a.m.
- 23 km
Shoppers Drug Mart® Run for Women - London 2027
London, ON · Road · 5km / 10km / 1km · starts 8:30 a.m.
- 31 km
13th Annual Seize the Day - London
Arva, ON · Road · 5km / 2km · starts 10 a.m.
- 33 km
Défi Coureur des Bois
Strathroy-Caradoc, ON · Trail · 20km / 10km / 6km / 3km
- 46 km
Rodney Fair Road Race
Rodney, ON · Road · 10km / 5km / 1km / 800m · starts 9:30 a.m.
24 more — sort everything by distance from you.
5K races in St Thomas — FAQ
- How many 5k races are there in St Thomas?
- 1 upcoming, and 44 more within 100km if you are willing to drive. The next one is Railway City Road Races 2026 Live Run on Sunday, September 27, 2026. Rebuilt from the race calendar daily.
- When is the next 5k race in St Thomas?
- Railway City Road Races 2026 Live Run, Sunday, September 27, 2026. Open it for the start time, distances and the official registration link.
- Do I register here?
- No. Every listing links straight to the organizer's own registration page. RaceFinder never takes signups or a cut.
Missing a race? Add it. Or browse every race in St Thomas and 5k races across Canada.