0031
Half Marathons Found In Ontario in Fall
View all ↓Half Marathons in Ontario in Fall 2025
findarace.com is Canada's favourite event discovery site. Check out our list of Fall 2025 Half Marathons in Ontario below.
Race Calendar: Half Marathons Found In Fall
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
$301.79
St. Clair River Run
Port Lambton, ON
01 Jun 25
$23.83 - $111.18
Honda Waterfront Run Barrie
Barrie, ON
01 Jun 25
$17.66 - $109.72
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
$66.98
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
$75.54 - $143.19
Whiskey Run London
South London, ON
29 Jun 25
$73.05 - $93.74
Whiskey Run Toronto
Burlington, ON
06 Jul 25
$67.60 - $88.30
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’Armée 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
Steelway Railway City Road Races 2025 Live Run
St Thomas, ON
28 Sep 25
$29.23 - $110.15
Run4Health 2025
Walkerton, ON
28 Sep 25
$23.83 - $77.77
Run for the Grapes Half Marathon & 5K
Lincoln, ON
28 Sep 25
$56.71 - $89.39
Springbank Road Races London
London, ON
28 Sep 25
$7.69 - $78.50
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 - $134.09
Niagara Falls 5k, 10k, Half & Marathon 2025
Niagara Falls, ON
26 Oct 25
$41.50 - $139.53
Run to End Child Hunger
Toronto, ON
31 Dec 25
$40.00
Showing 1-31 of 31 results