2015 – 2016 Ontario Race Calendar

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized in Ontario among 236 races.

236 races

Tamarack Ottawa Marathon

HTG Sports 5K
  • May 23, 2015 - 16:00
  • North America | Canada | Ontario | Ottawa
  • Shorter than 10 km race - 5 kilometers
  • Road Running

Tamarack Ottawa Marathon

Lowertown Brewery 10K
  • May 23, 2015 - 18:30
  • North America | Canada | Ontario | Ottawa
  • 10k race
  • Road Running

Tamarack Ottawa Marathon

Ottawa 2K
  • May 23, 2015 - 15:00
  • North America | Canada | Ontario | Ottawa
  • Shorter than 10 km race - 2 kilometers
  • Road Running

Sulphur Springs Trail Run

Sulphur Springs 100 Mile Trail Run
  • May 23, 2015 - 06:00
  • North America | Canada | Ontario | Ancaster
  • Ultramarathon - 100 miles
  • Trail Relay

Sulphur Springs Trail Run

Sulphur Springs 10K Trail Run
  • May 23, 2015 - 08:15
  • North America | Canada | Ontario | Ancaster
  • 10k race
  • Trail

Sulphur Springs Trail Run

Sulphur Springs 25K Trail Run
  • May 23, 2015 - 07:30
  • North America | Canada | Ontario | Ancaster
  • Half Marathon to Full Marathon - 25 kilometers
  • Trail

Sulphur Springs Trail Run

Sulphur Springs 50K Trail Run
  • May 23, 2015 - 07:30
  • North America | Canada | Ontario | Ancaster
  • Ultramarathon - 50 kilometers
  • Trail

Sulphur Springs Trail Run

Sulphur Springs 50 Mile Trail Run
  • May 23, 2015 - 06:00
  • North America | Canada | Ontario | Ancaster
  • Ultramarathon - 50 miles
  • Trail

The Great Race For Rotary

10k Run
  • May 24, 2015 - 08:30
  • North America | Canada | Ontario | Simcoe
  • 10k race
  • Charity Road Running

The Great Race For Rotary

25k Run
  • May 24, 2015 - 08:30
  • North America | Canada | Ontario | Simcoe
  • Half Marathon to Full Marathon - 25 kilometers
  • Charity Road Running

The Great Race For Rotary

5k Run
  • May 24, 2015 - 08:30
  • North America | Canada | Ontario | Simcoe
  • Shorter than 10 km race - 5 kilometers
  • Charity Road Running

Tamarack Ottawa Marathon

ScotiaBank Ottawa Half Marathon
  • May 24, 2015 - 09:00
  • North America | Canada | Ontario | Ottawa
  • Half Marathon
  • Road Running

Tamarack Ottawa Marathon

ScotiaBank Ottawa Marathon
  • May 24, 2015 - 07:00
  • North America | Canada | Ontario | Ottawa
  • Marathon
  • Walk Wheelchair Road Running

Pelee Island Winery Half Marathon

  • May 31, 2015 - 10:00
  • North America | Canada | Ontario | Pelee Island
  • Half Marathon
  • Road Running

Shoppers Drug Mart Run For Women Oakville

Shoppers Drug Mart Run For Women 10K walk/run
  • May 31, 2015 - 10:00
  • North America | Canada | Ontario | Oakville
  • 10k race
  • Walk