2017 – 2018 Ontario Race Calendar

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized in Ontario among 325 races.

325 races

Hypothermic Half Marathon - Sarnia

February 05, 2017 Race day in 19 days
Canada / Ontario / Point Edward
Half Marathon
Hypothermic Half Marathons

Grimsby Half Marathon

Family Day 10K
February 19, 2017 Race day in about 1 month
Canada / Ontario / Grimsby
10k race

Grimsby Half Marathon

Family Day 3K
February 19, 2017 Race day in about 1 month
Canada / Ontario / Grimsby
Shorter than 10 km race - 3 kilometers

Grimsby Half Marathon

Grimsby Half Marathon
February 19, 2017 Race day in about 1 month
Canada / Ontario / Grimsby
Half Marathon

Hypothermic Half Marathon - Sudbury

February 19, 2017 Race day in about 1 month
Canada / Ontario / Sudbury
Half Marathon
Hypothermic Half Marathons

Winterman Marathon, Marathon Relays, Half Marathon, 10Km, 5Km, and 3Km

Winterman 10K
February 19, 2017 Race day in about 1 month
Canada / Ontario / Ottawa
10k race
Road Running

Winterman Marathon, Marathon Relays, Half Marathon, 10Km, 5Km, and 3Km

Winterman 3K
February 19, 2017 Race day in about 1 month
Canada / Ontario / Ottawa
Shorter than 10 km race - 3 kilometers
Road Running

Winterman Marathon, Marathon Relays, Half Marathon, 10Km, 5Km, and 3Km

Winterman 5K
February 19, 2017 Race day in about 1 month
Canada / Ontario / Ottawa
5k race - 5 kilometers
Road Running

Winterman Marathon, Marathon Relays, Half Marathon, 10Km, 5Km, and 3Km

Winterman Half Marathon
February 19, 2017 Race day in about 1 month
Canada / Ontario / Ottawa
Half Marathon
Road Running

Winterman Marathon, Marathon Relays, Half Marathon, 10Km, 5Km, and 3Km

Winterman Marathon
February 19, 2017 Race day in about 1 month
Canada / Ontario / Ottawa
Marathon
Road Running Relay

YMCA of Peterborough's Half Marathon

Half in a Half
February 26, 2017 Race day in about 1 month
Canada / Ontario / Peterborough
10k race

YMCA of Peterborough's Half Marathon

YMCA of Peterborough's 5K
February 26, 2017 Race day in about 1 month
Canada / Ontario / Peterborough
5k race - 5 kilometers

YMCA of Peterborough's Half Marathon

YMCA of Peterborough's Half Marathon
February 26, 2017 Race day in about 1 month
Canada / Ontario / Peterborough
Half Marathon

Hypothermic Half Marathon - Ottawa

March 04, 2017 Race day in about 2 months
Canada / Ontario / Ottawa
Half Marathon
Hypothermic Half Marathons

Chilly Half Marathon & Frosty 5K

Chilly Half-Marathon
March 05, 2017 Race day in about 2 months
Canada / Ontario / Burlington
Half Marathon
Walk