Half Marathons in Ontario in Summer 2025

St. Clair River Run

Port Lambton, ON

01 Jun 25

$23.83 - $89.39

View Event

Honda Waterfront Run Barrie

Barrie, ON

01 Jun 25

$23.07 - $114.05

View Event

Niagara's 12 Mile Creek Trail Half Marathon & 7k Cancer Run

St. Catharines, ON

07 Jun 25

$62.15 - $73.05

View Event

Forest City Road Races 2025

London, ON

08 Jun 25

$30.60 - $106.85

View Event

Buttertart Trot

Midland, ON

14 Jun 25

$83.16 - $110.14

View Event

Niagara Ultra 2025

Niagara-on-the-Lake, ON

21 Jun 25

View Event

Community Strong Race Weekend

Sault Ste. Marie, ON

21 Jun 25

$15.20 - $66.98

View Event

Kawartha Sun Run

Kawartha Lakes, ON

22 Jun 25

$69.90 - $126.28

View Event

Whiskey Run London

South London, ON

29 Jun 25

$73.05 - $93.74

View Event

Falling Water Trail Marathon/ Half Marathon 2025

Eugenia, ON

09 Aug 25

$100.28 - $176.53

View Event