2015 – 2016 Ontario Race Calendar

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized in Ontario among 229 races.

229 races

Chilly Half Marathon & Frosty 5K

Chilly Half-Marathon (Burlington)

  • March 01, 2015 - 10:05
  • North America | Canada | Ontario | Burlington
  • Half Marathon
  • Walk

Chilly Half Marathon & Frosty 5K

Forsty 5K

  • March 01, 2015 - 10:05
  • North America | Canada | Ontario | Burlington
  • Shorter than 10 km race - 5 kilometers

Around the Bay 30K Road Race

  • March 29, 2015 - 09:30
  • North America | Canada | Ontario | Hamilton
  • Half Marathon to Full Marathon - 30 kilometers
  • Charity Relay

Around the Bay 30K Road Race

Around the Bay 5K Road Race

  • March 29, 2015 - 09:45
  • North America | Canada | Ontario | Hamilton
  • Shorter than 10 km race - 5 kilometers
  • Charity

Harry's Spring Run-Off 8k & 5K & Kids Run to Fight Prostate Cancer (Toronto)

Harry's Spring Run-Off 5k Run to fight Prostate Cancer (Toronto)

  • April 04, 2015 - 11:15
  • North America | Canada | Ontario | Toronto
  • Shorter than 10 km race - 5 kilometers
  • Canada Running Series

Harry's Spring Run-Off 8k & 5K & Kids Run to Fight Prostate Cancer (Toronto)

Harry's Spring Run-Off 8k Run to fight Prostate Cancer (Toronto)

  • April 04, 2015 - 10:00
  • North America | Canada | Ontario | Toronto
  • Shorter than 10 km race - 8 kilometers
  • Canada Running Series

Toronto Yonge Street 10k

  • April 19, 2015 - 10:00
  • North America | Canada | Ontario | Toronto
  • 10k race
  • Road Running

Pick Your Poison Trail Run

Pick Your Poison 12.5K Trail Run

  • April 25, 2015 - 09:00
  • North America | Canada | Ontario | Orillia
  • 10 km race to Half Marathon - 12.5 kilometers
  • Trail

Pick Your Poison Trail Run

Pick Your Poison 25K Trail Run

  • April 25, 2015 - 09:00
  • North America | Canada | Ontario | Orillia
  • Half Marathon to Full Marathon - 25 kilometers
  • Trail

Pick Your Poison Trail Run

Pick Your Poison 50K Trail Run

  • April 25, 2015 - 09:00
  • North America | Canada | Ontario | Orillia
  • Ultramarathon - 50 kilometers
  • Trail

London Life Forest City Road Races

McFarlan Rowlands Half Marathon

  • April 26, 2015 - 09:00
  • North America | Canada | Ontario | London
  • Half Marathon

London Life Forest City Road Races

M&T Printing Group 5K

  • April 26, 2015 - 08:30
  • North America | Canada | Ontario | London
  • Shorter than 10 km race - 5 kilometers

London Life Forest City Road Races

Runners' Choice 10k

  • April 26, 2015 - 08:30
  • North America | Canada | Ontario | London
  • 10k race

Waterloo Marathon & Half Marathon

Waterloo Half Marathon

  • April 26, 2015 - 08:30
  • North America | Canada | Ontario | Bechtel Park, Waterloo
  • Half Marathon
  • Charity

Waterloo Marathon & Half Marathon

Waterloo Marathon

  • April 26, 2015 - 08:00
  • North America | Canada | Ontario | Bechtel Park, Waterloo
  • Marathon
  • Boston Qualifier Charity