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Half Marathons Found In Ontario

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Half Marathons in Ontario 2025 - 2026

The most comprehensive list of Half Marathons in and near Ontario in 2025 - 2026. Find your perfect race!

Race Calendar: Half Marathons Found In Ontario

Marching for Meals 2025

London, ON
24 Apr 25
Free

Merrickville Heritage Classic 2025

Merrickville, ON
26 Apr 25
$29.23 - $77.77

St Lawrence Marathon

Cornwall, ON
26 Apr 25
$45.82 - $100.28

Georgina Spring Fling 2025

Georgina, ON
04 May 25
$75.54 - $171.38

Dave Mounsey Memorial Fund Run Around the Square

Goderich, ON
18 May 25
$77.77 - $88.57

SudburyROCKS 2025

Greater Sudbury, ON
25 May 25
Free - $477.01

Rotary Huron Shore Run 2025

Southampton, ON
31 May 25
Free - $90.00

Pelee Island Winery Half Marathon 2025

Pelee Island, ON
31 May 25
$280.01

St. Clair River Run

Port Lambton, ON
01 Jun 25
$23.83 - $105.72

Honda Waterfront Run Barrie

Barrie, ON
01 Jun 25
$23.07 - $119.46

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

St. Catharines, ON
07 Jun 25
$62.15 - $73.05

Krista Johnson Memorial Run

Pembroke, ON
08 Jun 25
$18.44 - $61.59

Big Little Run 2025

Guelph, ON
08 Jun 25
$56.20 - $88.57

Buttertart Trot

Midland, ON
14 Jun 25

Niagara Ultra 2025

Niagara-on-the-Lake, ON
21 Jun 25

Community Strong Race Weekend

Sault Ste. Marie, ON
21 Jun 25
$15.20 - $66.98

Kawartha Sun Run

Kawartha Lakes, ON
22 Jun 25
$69.90 - $126.28

Whiskey Run London

South London, ON
29 Jun 25
$67.60 - $88.30

Whiskey Run Toronto

Burlington, ON
06 Jul 25
$62.15 - $77.41

Falling Water Trail Marathon/ Half Marathon 2025

Eugenia, ON
09 Aug 25
$100.28 - $176.53

Georgina Marathon & Half-Marathon

Jacksons Point, ON
07 Sep 25
$69.90 - $171.38

WINDSOR WATERFRONT HALF MARATHON & 5KM

Windsor, ON
14 Sep 25
$62.15 - $122.07

Canada Army Run 2025 / Course de l’ArmΓ©e du Canada : 2025

Ottawa, ON
21 Sep 25
$49.72 - $136.79

Habitat for Humanity Chatham-Kent River Run

Chatham, ON
21 Sep 25
$45.41 - $61.59

Cedar Ridge Hilly Half-Marathon & 10Km

McArthurs Mills, ON
27 Sep 25

Springbank Road Races London

London, ON
28 Sep 25
$7.69 - $78.50

Steelway Railway City Road Races 2025 Live Run

St Thomas, ON
28 Sep 25
$29.23 - $110.15

Run for the Grapes Half Marathon & 5K

Lincoln, ON
28 Sep 25
$56.71 - $89.39

Cooper Robertson Foundation – Run With Coops!

Grimsby, ON
03 Oct 25
Free - $20.00

Oakville 21.1

Oakville, ON
05 Oct 25
$69.90 - $143.19

2025 Muskoka Marathon

Bracebridge, ON
05 Oct 25
$24.02 - $143.84

2025 Women's Training Program

Toronto, ON
19 Oct 25
Free

Cornwall Multisport Club - Fall Road Race 2025

Cornwall, ON
25 Oct 25
$2.00 - $25.00

U.S. & International Registrants, Niagara Falls 5k, 10k, Half & Marathon 2025

Niagara Falls, ON
26 Oct 25
$41.50 - $123.20

Niagara Falls 5k, 10k, Half & Marathon 2025

Niagara Falls, ON
26 Oct 25
$41.50 - $128.64

Run to End Child Hunger

Toronto, ON
31 Dec 25
$40.00
Showing 1-36 of 36 results