Races in eastern Ontario
Ottawa takes the largest share, and the rest follows two rivers — Pembroke and Petawawa up the Ottawa Valley, Brockville, Morrisburg and Cornwall down the St. Lawrence — with Kingston, Napanee and Picton out at the Lake Ontario end.
39 races with a confirmed date across Quinte West, Ottawa, Kingston, Morrisburg, Hawkesbury, Barrhaven, Brockville, Cornwall and more, plus 84 that ran last season and haven't announced their next one.
When
123 races listed
- Sunday, November 15, 2026

Fat Ass Trail RunReg closes soon
Quinte West, ON · Trail · 50km / 24km / 16km / 10km · from 60
- Saturday, November 28, 2026
SOCKS YOUR RUN OFF 2! : sock donation run/walk for The Ottawa Mission
Ottawa, ON · Road running
- Saturday, December 5, 2026

2026 Santa Shuffle Ottawa: Fun Run & Elf Walk
Ottawa, ON · Road running · 5km · from 62
- Sunday, January 3, 2027
KRRA - Resolution Run 2027
Kingston, ON · Road running
- Saturday, January 9, 2027

Dion Ignite The Night Snowshoe Race
Morrisburg, ON · Trail
- Sunday, January 10, 2027

Running Room New Year's Run - Ottawa
Ottawa, ON · Road running · 5km / 1km · from 13
- Friday, January 15, 2027

uOttawa Winter Classic
Ottawa, ON · Track
- Date to be announced

Richmond Road RacesDate TBA
Ottawa, ON · Road running · 10km / 5km
- Saturday, January 30, 2027

La Classique Hivernale des Roadrunners 2027
Hawkesbury, ON · Track
- Friday, February 12, 2027

Carleton Ravens U-Sport Last Chance
Ottawa, ON · Track
New races in Ontario, once a month
Newly listed races, and the registrations closing in the next three weeks. One email a month. Every subscriber is in the monthly $25 gift-card draw, held on the 1st. One click to leave.
- Saturday, February 27, 2027
Coldest Night of the Year — Barrhaven
Barrhaven, ON · Walk · 5km / 2km
- Saturday, February 27, 2027
Coldest Night of the Year — Brockville
Brockville, ON · Walk · 5km / 2km
- Saturday, February 27, 2027
Coldest Night of the Year — Cornwall
Cornwall, ON · Walk · 5km / 2km
- Saturday, February 27, 2027
Coldest Night of the Year — Lanark County
Smiths Falls, ON · Walk · 5km / 2km
- Saturday, February 27, 2027
Coldest Night of the Year — Manotick
Manotick, ON · Walk · 5km / 2km
- Saturday, February 27, 2027
Coldest Night of the Year — Napanee
Napanee, ON · Walk · 5km / 2km
- Saturday, February 27, 2027
Coldest Night of the Year — Ottawa Centretown
Ottawa, ON · Walk · 5km / 2km
- Saturday, February 27, 2027
Coldest Night of the Year — Ottawa Downtown
Ottawa, ON · Walk · 5km / 2km
- Saturday, February 27, 2027
Coldest Night of the Year — Ottawa Kanata
Ottawa, ON · Walk · 5km / 2km
- Saturday, February 27, 2027
Coldest Night of the Year — Ottawa Lowertown
Ottawa, ON · Walk · 5km / 2km
- Saturday, February 27, 2027
Coldest Night of the Year — Ottawa Nepean
Ottawa, ON · Walk · 5km / 2km
- Saturday, February 27, 2027
Coldest Night of the Year — Pembroke
Pembroke, ON · Walk · 5km / 2km
- Saturday, February 27, 2027
Coldest Night of the Year — Picton
Picton, ON · Walk · 5km / 2km
- Saturday, February 27, 2027
Coldest Night of the Year — Renfrew
Renfrew, ON · Walk · 5km / 2km
- Saturday, February 27, 2027
Coldest Night of the Year — Trenton
Quinte West, ON · Walk · 5km / 2km
- Sunday, February 28, 2027

Hypothermic Half Marathon 2027 - Ontario Virtual Run
Ottawa, ON · Road running · from 88
- Date to be announced

Emerald MileDate TBA
Ottawa, ON · Road running · 1.5km
- Saturday, April 24, 2027

Merrickville Heritage Classic 2027
Merrickville, ON · Road running · 2km / 5km / 10km / 21km · from 29
- Sunday, April 25, 2027

Kingston Bum Run (Limestone Race Weekend)
Kingston, ON · Road running
- Date to be announced

St Lawrence MarathonDate TBA
Cornwall, ON · Road running · 42km / 21km / 10km / 5km
- Date to be announced

Run To EmpowerDate TBA
Ottawa, ON · Road running · 5km / 1km
- Date to be announced

Heroes Run for HealthcareDate TBA
Pembroke, ON · Road running · 5km
- Saturday, May 8, 2027

'Goode Run 2027
Ottawa, ON · Road running · 2km / 5km / 7km · from 18
- Date to be announced

Hell or HighwaterDate TBA
Petawawa, ON · Road running
- Date to be announced

Spring ThawDate TBA
Belleville, ON · Road running · 5km / 10km
- Saturday, May 29, 2027
Tamarack Ottawa Race Weekend
Ottawa, ON · Road running · 42.2km / 21.1km / 10km / 5km
- Date to be announced

Blackburn FunRun !Date TBA
Ottawa, ON · Road running · 1km / 2km
- Date to be announced

Krista Johnson Memorial RunDate TBA
Pembroke, ON · Road running · 21km / 10km / 5km / 2km
- Date to be announced

County Kids of SteelDate TBA
Picton, ON · Road running
- Sunday, June 13, 2027

Shoppers Drug Mart® Run for Women - Ottawa 2027
Ottawa, ON · Road running · 5km / 10km / 1km