Half Marathons in Ontario in June 2025

St. Clair River Run

Port Lambton, ON

01 Jun 25

$23.83 - $100.28

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Honda Waterfront Run Barrie

Barrie, ON

01 Jun 25

$23.07 - $114.05

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

St. Catharines, ON

07 Jun 25

$62.15 - $73.05

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Big Little Run 2025

Guelph, ON

08 Jun 25

$45.41 - $77.77

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Forest City Road Races 2025

London, ON

08 Jun 25

$30.60 - $112.31

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Krista Johnson Memorial Run

Pembroke, ON

08 Jun 25

$18.44 - $61.59

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Buttertart Trot

Midland, ON

14 Jun 25

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Niagara Ultra 2025

Niagara-on-the-Lake, ON

21 Jun 25

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Community Strong Race Weekend

Sault Ste. Marie, ON

21 Jun 25

$15.20 - $66.98

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Kawartha Sun Run

Kawartha Lakes, ON

22 Jun 25

$69.90 - $126.28

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Whiskey Run London

South London, ON

29 Jun 25

$73.05 - $93.74

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