Ontario

Half Marathon calendar Ontario 2025-2026

Name: Kawartha Sun Run
Start: 2025-06-22
End: 2025-06-22
Location: Kawartha Lakes

Explore the best half marathons in Ontario for 2025-2026! Our updated list features 53 exciting races across the region. Find your next race in Ontario below and join the running community at these great events!

Half Marathon calendar Ontario 2025-2026

Kawartha Sun Run

The Whiskey Run - London

Summit 700 Trail Runs

The Whiskey Run - Toronto

Xterra Conquer the Crater

Kakabeka Falls Half Marathon

Calabogie Peaks Trail Run

Georgina Marathon

Ajax Race Weekend

North Bay Road Race

Tobermory Trail Race

Windsor Waterfront Half Marathon

Canada Army Run

River Run Half Marathon - Chatham-Kent

Habitat for Humanity Chatham-Kent River Run

Cedar Ridge Hilly Half-Marathon

Railway City Road Races - St. Thomas Ontario Half Marathon, 10 km, 5 km run and 5 km walk, 1 km for the kids

Steelway Railway City Road Races

Springbank Road Races

Run for the Grapes Half Marathon