2017 – 2018 Ontario Race Calendar

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized in Ontario among 337 races.

337 races

Self-Transcendence Ultra Classic 6 12 24 Hour Races & 6 Hour Relay - Ottawa

July 29, 2017 Race day in 2 days
Canada / Ontario / Ottawa
X-hour race
Indoor

Self-Transcendence Ultra Classic 6 12 24 Hour Races & 6 Hour Relay - Ottawa

July 29, 2017 Race day in 2 days
Canada / Ontario / Ottawa
X-hour race
Indoor

Self-Transcendence Ultra Classic 6 12 24 Hour Races & 6 Hour Relay - Ottawa

July 29, 2017 Race day in 2 days
Canada / Ontario / Ottawa
X-hour race
Indoor Relay

5K Foam Fest - Wasaga Beach

August 12, 2017 Race day in 16 days
Canada / Ontario / Wasaga Beach
5k race
Obstacle race

Timmins Golden Trails Half Marathon

August 13, 2017 Race day in 17 days
Canada / Ontario / Timmins
Shorter than 10 km race
Walk

Timmins Golden Trails Half Marathon

August 13, 2017 Race day in 17 days
Canada / Ontario / Timmins
5k race
Walk

Timmins Golden Trails Half Marathon

August 13, 2017 Race day in 17 days
Canada / Ontario / Timmins
Half Marathon
Relay

Timmins Golden Trails Half Marathon

August 13, 2017 Race day in 17 days
Canada / Ontario / Timmins
Half Marathon
Walk Relay

Urban Jungle and Fitness Challenge

August 13, 2017 Race day in 17 days
Canada / Ontario / Smiths Falls
Shorter than 10 km race
Obstacle race Charity

5K Foam Fest - London

August 19, 2017 Race day in 23 days
Canada / Ontario / London
5k race
Obstacle race

Iroquoia Trail Test

August 19, 2017 Race day in 23 days
Canada / Ontario / Kilbride
10 km race to Half Marathon
Charity Trail

Iroquoia Trail Test

August 19, 2017 Race day in 23 days
Canada / Ontario / Kilbride
Half Marathon to Full Marathon
Charity Trail Hilly
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