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5k Runs Found In Ontario in October

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5k Runs in Ontario in October 2025

findarace.com is Canada's favourite event discovery site. Check out our list of October 2025 5k Runs in Ontario below.

Race Calendar: 5k Runs Found In October

BLUE BULLY ULTRA

Blue Mountains, ON
03 Oct 25
$30.00 - $445.00

Jordan's Run the Runway 5K Series: Sarnia-Lambton

Sarnia, ON
03 Oct 25
$23.00 - $50.00

2025 UniversalCare Strides for Seniors

Vaughan, ON
04 Oct 25
$50.81

Run for Newmarket 2025

Newmarket, ON
05 Oct 25
Free - $50.81

Oakville 21.1

Oakville, ON
05 Oct 25
$64.27 - $126.28

2025 Muskoka Marathon

Bracebridge, ON
05 Oct 25
$24.02 - $143.84

Run The Caves

Peterborough, ON
05 Oct 25
$13.04 - $100.28

5km Run for the Frontline

Sarnia, ON
05 Oct 25
Free - $45.82

Fenelon Falls Turkey Trot

Kawartha Lakes, ON
11 Oct 25
$11.15 - $46.77

Run for London 2025

London, ON
11 Oct 25
$23.83 - $61.59

Malice at McLennan 2025

Kitchener, ON
11 Oct 25
$18.58

Sticks n' Stones Trail Race 2025

Hamilton, ON
11 Oct 25
$67.60 - $263.67

Thornbury Turkey Trot 2025

Thornbury, ON
11 Oct 25
Free - $110.15

Crystal Beach 5k 2025

Fort Erie, ON
11 Oct 25
$13.04 - $34.62

2025 Northumberland Turkey Trot

Cobourg, ON
13 Oct 25
Free - $23.83

Turkey Trot

London, ON
13 Oct 25
$7.69 - $13.14

Wise Raven Trail Race

Waterloo, ON
18 Oct 25
$50.81 - $239.63

Phoenix Trail Races

London, ON
18 Oct 25
$85.76

Art In Motion 10K/5K/2K

Vaughan, ON
19 Oct 25
$44.33

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

Halloween Haunting

London, ON
26 Oct 25
$7.69 - $51.26
Showing 1-23 of 23 results