Upcoming Running Races in Ontario
Find the best running races in Ontario! From 5Ks to marathons, explore upcoming races and plan your next challenge.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Sort by
📅 7w to go
Other Distances
Mixed
Great Waterfront Trail Adventure 2025 - Great Waterfront Trail Adventure
Hamilton, Ontario
August 9, 2025
11:00PM
Great Waterfront Trail Adventure 2025
640 km (8 days)
August 2025
📅 8w to go
Other Distances
Road
Butter Tart Festival Race 2025 - Virtual Butter Tart 3K
Burlington, Ontario
August 9, 2025
Anytime
Butter Tart Festival Race 2025
3km
August 2025
📅 8w to go
5k
Road
Butter Tart Festival Race 2025 - In-Person Butter Tart 5K
Burlington, Ontario
August 9, 2025
9:30AM
Butter Tart Festival Race 2025
5km
August 2025
📅 8w to go
Marathon
Trail
Falling Water Trail 2025 - Trail Marathon
Eugenia, Ontario
August 9, 2025
9:00AM
Falling Water Trail Marathon/ Half Marathon 2025
42.2km
August 2025
📅 8w to go
Half Marathon
Road
ENDURrun 2025 - Stage 1
Waterloo Region, Ontario
August 10, 2025
The ENDURrun 2025
21.1km
August 2025
📅 8w to go
10k
XTERRA Sleeping Giant 2025 - 10K Trail Run
Thunder Bay, Ontario
August 10, 2025
XTERRA Sleeping Giant 2025
10k
August 2025
📅 8w to go
Other Distances
XTERRA Sleeping Giant 2025 - Full Distance Duathlon
Thunder Bay, Ontario
August 10, 2025
XTERRA Sleeping Giant 2025
Other Distances
August 2025
📅 8w to go
Other Distances
XTERRA Sleeping Giant 2025 - Trail Half Marathon
Thunder Bay, Ontario
August 10, 2025
XTERRA Sleeping Giant 2025
Other Distances
August 2025
📅 8w to go
5k
XTERRA Sleeping Giant 2025 - 5K Trail Run
Thunder Bay, Ontario
August 10, 2025
XTERRA Sleeping Giant 2025
5k
August 2025
📅 8w to go
Half Marathon
Trail
Falling Water Trail 2025 - Trail Half Marathon
Eugenia, Ontario
August 10, 2025
9:00AM
Falling Water Trail Marathon/ Half Marathon 2025
21km
August 2025
📅 8w to go
15k
Road
ENDURrun 2025 - Stage 2
Waterloo Region, Ontario
August 11, 2025
The ENDURrun 2025
15km
August 2025
📅 8w to go
Other Distances
Cross Country
ENDURrun 2025 - Stage 3
Waterloo Region, Ontario
August 12, 2025
The ENDURrun 2025
30km
August 2025
📅 8w to go
10k
Road
ENDURrun 2025 - Stage 4
Waterloo Region, Ontario
August 13, 2025
The ENDURrun 2025
10km
August 2025
📅 8w to go
Other Distances
Trail
ENDURrun 2025 - Stage 5
Waterloo Region, Ontario
August 14, 2025
The ENDURrun 2025
25km
August 2025
📅 8w to go
10k
Road
ENDURrun 2025 - Stage 6
Waterloo Region, Ontario
August 15, 2025
The ENDURrun 2025
10km
August 2025
📅 9w to go
Under 5K
Road
Tim Horton's Night Run 2025 - Kid's 1km
Windsor, Ontario
August 16, 2025
5:30 PM
Tim Horton's Night Run 2025
1km
August 2025
📅 9w to go
Under 5K
Road
Tim Horton's Night Run 2025 - Kid's 200m Dash
Windsor, Ontario
August 16, 2025
5:30 PM
Tim Horton's Night Run 2025
200m
August 2025
📅 9w to go
5k
Road
Tim Horton's Night Run 2025 - 5K Walk/Run
Windsor, Ontario
August 16, 2025
5:45 PM
Tim Horton's Night Run 2025
5km
August 2025
📅 9w to go
5k
Mixed
Mapleton Sunflower Run 2025 - 5km Race
Moorefield, Ontario
August 16, 2025
10:00AM
Mapleton Sunflower Run 2025
5km
August 2025
📅 9w to go
10k
Mixed
Mapleton Sunflower Run 2025 - 10km Race
Moorefield, Ontario
August 16, 2025
10:00AM
Mapleton Sunflower Run 2025
10km
August 2025
📅 9w to go
Fun Runs & Family Runs
Mixed
Mapleton Sunflower Run 2025 - 2km Kids and Family Race
Moorefield, Ontario
August 16, 2025
10:00AM
Mapleton Sunflower Run 2025
2km
August 2025
📅 9w to go
Half Marathon
Road
Demi Marathon de la Voie Verte 2025 - Half Marathon
Chelsea, Quebec
August 17, 2025
8:00AM
Demi Marathon de la voie verte 2025
21.1km
August 2025
📅 9w to go
Under 5K
Road
Demi Marathon de la Voie Verte 2025 - 1k
Chelsea, Quebec
August 17, 2025
11:00AM
Demi Marathon de la voie verte 2025
1km
August 2025
📅 9w to go
5k
Road
Demi Marathon de la Voie Verte 2025 - 5k
Chelsea, Quebec
August 17, 2025
8:20AM
Demi Marathon de la voie verte 2025
5km
August 2025
📅 8w to go
Marathon
Road
ENDURrun 2025 - Stage 7
Waterloo Region, Ontario
August 17, 2025
The ENDURrun 2025
42.2km
August 2025
📅 10w to go
Team/Relay
Trail
Timber24 2025 - 8 Person Team Relay
Oro Medonte, Ontario
August 23, 2025
04:00AM
Timber24 Relay 2025
192km relay (8 x 8km for 24 hours)
August 2025
📅 10w to go
Team/Relay
Trail
Timber24 2025 - 4 Person Team Ultra Relay
Oro Medonte, Ontario
August 23, 2025
04:00AM
Timber24 Relay 2025
192km ultra relay (4 x 8km for 24 hours)
August 2025
📅 10w to go
5k
Virtual
PUMA Toronto Women's Summer 2025 - Virtual 5K
Toronto, Ontario
August 23, 2025
Anytime
PUMA Toronto Women's Summer 10K 5K 2025
5km
August 2025
📅 10w to go
10k
Virtual
PUMA Toronto Women's Summer 2025 - Virtual 10K
Toronto, Ontario
August 23, 2025
Anytime
PUMA Toronto Women's Summer 10K 5K 2025
10km
August 2025
📅 10w to go
5k
Road
PUMA Toronto Women's Summer 2025 - 5K
Toronto, Ontario
August 23, 2025
8:15AM
PUMA Toronto Women's Summer 10K 5K 2025
5km
August 2025
📅 10w to go
10k
Road
PUMA Toronto Women's Summer 2025 - 10K
Toronto, Ontario
August 23, 2025
8:00AM
PUMA Toronto Women's Summer 10K 5K 2025
10km
August 2025
📅 10w to go
Half Marathon
Road
BackRoads to Port Stanley Run 2025 - 21.1 km
Port Stanley, Ontario
August 23, 2025
10:00AM
BackRoads to Port Stanley Run 2025
21.1 km
August 2025
📅 10w to go
Other Distances
Road
BackRoads to Port Stanley Run 2025 - 33.6 km
Port Stanley, Ontario
August 23, 2025
10:00AM
BackRoads to Port Stanley Run 2025
33.6 km
August 2025
📅 10w to go
5k
Mixed Terrain
The 5K Foam Fest 2025 - Toronto, ON (Aug 23)
Uxbridge, Ontario
August 23, 2025
8:00AM
The 5K Foam Fest - Toronto, ON 2025
5km
August 2025
📅 10w to go
Other Distances
Road
BackRoads to Port Stanley Run 2025 - 13 km
Port Stanley, Ontario
August 23, 2025
10:00AM
BackRoads to Port Stanley Run 2025
13 km
August 2025
📅 10w to go
Under 5K
Road
BackRoads to Port Stanley Run 2025 - 3.5 km
Port Stanley, Ontario
August 23, 2025
10:00AM
BackRoads to Port Stanley Run 2025
3.5 km
August 2025
📅 10w to go
5k
Road
Achilles International Canada 2025 - Hope & Possibility 5km Run Walk and Roll
Toronto, Ontario
August 23, 2025
8:30AM
Achilles International Canada Hope & Possibility® 2025
5km
August 2025
📅 10w to go
5k
Mixed Terrain
The 5K Foam Fest 2025 - Toronto, ON (Aug 24)
Uxbridge, Ontario
August 24, 2025
8:00AM
The 5K Foam Fest - Toronto, ON 2025
5km
August 2025
📅 11w to go
Kids Races
The Runway 2025 - Kids' 200m Fun Run
Breslau, Ontario
August 30, 2025
The Runway 2025
Under 5K
August 2025
📅 11w to go
Other Distances
The Runway 2025 - 5 Mile Race
Breslau, Ontario
August 30, 2025
The Runway 2025
Other Distances
August 2025
📅 11w to go
Fun Runs & Family Runs
The Runway 2025 - Future Runner (Stroller Occupant)
Breslau, Ontario
August 30, 2025
The Runway 2025
Fun Runs & Family Runs
August 2025
📅 11w to go
Other Distances
The Runway 2025 - 2 Mile Race & Fun Run/Walk
Breslau, Ontario
August 30, 2025
The Runway 2025
Other Distances
August 2025
📅 11w to go
10k
Virtual
Island Lake Classic 2025 - Virtual Run (International Participants)
Orangeville, Ontario
August 30, 2025
Anytime
Island Lake Classic 2025
5km or 10km
August 2025
📅 11w to go
Other Distances
Trail
North of 7 Challenge 2025 - 3k Fun Run - NO FINISHER SWAG
Cloyne, Ontario
August 30, 2025
9:00AM
2025 North of 7 Challenge
3km
August 2025
📅 11w to go
Kids Races
Trail
North of 7 Challenge 2025 - Kids/Youth Challenge (1K)
Cloyne, Ontario
August 30, 2025
11:00AM
2025 North of 7 Challenge
1km
August 2025
📅 11w to go
Other Distances
Trail
North of 7 Challenge 2025 - Grit Loop (3k w/sandbag)
Cloyne, Ontario
August 30, 2025
11:00AM
2025 North of 7 Challenge
3km w/sandbag
August 2025
📅 11w to go
Other Distances
Trail
North of 7 Challenge 2025 - 3k Fun Run
Cloyne, Ontario
August 30, 2025
10:00AM
2025 North of 7 Challenge
3km
August 2025
📅 11w to go
10k
Virtual
Island Lake Classic 2025 - Virtual Run (Canadian Participants)
Orangeville, Ontario
August 30, 2025
Anytime
Island Lake Classic 2025
5km or 10km
August 2025
📅 11w to go
Other Distances
Trail
North of 7 Challenge 2025 - 2 Hour Challenge
Cloyne, Ontario
August 30, 2025
12:00PM
2025 North of 7 Challenge
2 hours (as many 3km loops as possible)
August 2025
📅 11w to go
Kids Races
Road
Cornwall Multisport Club Labour Day Chase 2025 - Labour Day Kids Chase 1KM
South Glengarry, Ontario
September 1, 2025
9:00AM
Labour Day Chase 2025
1km
September 2025
📅 11w to go
5k
Road
Cornwall Multisport Club Labour Day Chase 2025 - Labour Day Chase 5KM
South Glengarry, Ontario
September 1, 2025
9:30AM
Labour Day Chase 2025
5km
September 2025
📅 11w to go
Other Distances
Road
Summer Shores 2025 - In-Person Summer Shores 8K Run
Hamilton, Ontario
September 1, 2025
9:30AM
Summer Shores 5K/8K 2025
8km
September 2025
📅 11w to go
Under 5K
Road
Summer Shores 2025 - In-Person Summer Shores 1K Run/Walk
Hamilton, Ontario
September 1, 2025
9:00AM
Summer Shores 5K/8K 2025
1km
September 2025
📅 11w to go
5k
Road
Summer Shores 2025 - In-Person Summer Shores 5K Run/Walk
Hamilton, Ontario
September 1, 2025
9:30AM
Summer Shores 5K/8K 2025
5km
September 2025
📅 11w to go
5k
Virtual
Summer Shores 2025 - Virtual Summer Shores 5K
Hamilton, Ontario
September 1, 2025
Anytime
Summer Shores 5K/8K 2025
5km
September 2025
📅 11w to go
Other Distances
Virtual
Summer Shores 2025 - Virtual Summer Shores 8K
Hamilton, Ontario
September 1, 2025
Anytime
Summer Shores 5K/8K 2025
8km
September 2025
📅 14w to go
Kids Races
Road
Trail & Ale 2025 - Kids 14 and under VIRTUAL 5K Walk or Run
Sarnia, Ontario
September 1, 2025
Anytime
Trail and Ale 2025
5km
September 2025
📅 14w to go
5k
Road
Trail & Ale 2025 - VIRTUAL Run 5K
Sarnia, Ontario
September 1, 2025
Anytime
Trail and Ale 2025
5km
September 2025
📅 13w to go
10k
Virtual
Oasis ZooRun 2025 - Virtual 10K
Toronto, Ontario
September 1, 2025
9:00AM
Oasis ZooRun Toronto 2025
10km
September 2025
📅 11w to go
5k
Trail
Island Lake Classic 2025 - 5K Run/Walk
Orangeville, Ontario
September 1, 2025
9:25AM
Island Lake Classic 2025
5km
September 2025
📅 11w to go
10k
Trail
Island Lake Classic 2025 - 10K Run
Orangeville, Ontario
September 1, 2025
9:00AM
Island Lake Classic 2025
10km
September 2025
📅 11w to go
Kids Races
Trail
Island Lake Classic 2025 - Kids Fun Run
Orangeville, Ontario
September 1, 2025
8:40AM
Island Lake Classic 2025
200m
September 2025
📅 14w to go
5k
Road
Trail & Ale 2025 - VIRTUAL Walk 5K
Sarnia, Ontario
September 1, 2025
Anytime
Trail and Ale 2025
5km
September 2025
📅 14w to go
10k
Road
Trail & Ale 2025 - VIRTUAL Run 10K
Sarnia, Ontario
September 1, 2025
Anytime
Trail and Ale 2025
10km
September 2025
📅 13w to go
Kids Races
Virtual
Oasis ZooRun 2025 - Virtual CubRun
Toronto, Ontario
September 1, 2025
9:00AM
Oasis ZooRun Toronto 2025
1km
September 2025
📅 13w to go
5k
Virtual
Oasis ZooRun 2025 - Virtual 5K
Toronto, Ontario
September 1, 2025
9:00AM
Oasis ZooRun Toronto 2025
5km
September 2025
📅 14w to go
10k
Virtual
Canada Army Run 2025 - 10K Virtual
Ottawa, Ontario
September 5, 2025
Anytime
Canada Army Run 2025
10km
September 2025
📅 14w to go
Half Marathon
Virtual
Canada Army Run 2025 - Half Marathon Virtual
Ottawa, Ontario
September 5, 2025
Anytime
Canada Army Run 2025
21.1km
September 2025
📅 14w to go
15k
Virtual
Canada Army Run 2025 - Sergeant Major's Challenge Virtual
Ottawa, Ontario
September 5, 2025
Anytime
Canada Army Run 2025
5K + 10K
September 2025
📅 14w to go
5k
Virtual
Canada Army Run 2025 - 5K Virtual
Ottawa, Ontario
September 5, 2025
Anytime
Canada Army Run 2025
5km
September 2025
📅 11w to go
Under 5K
Road
Jordan's Run the Runway Chatham-Kent 2025 - Kiddie Trot 1K
Merlin, Ontario
September 5, 2025
6:15PM
Jordan's Run the Runway 5K Series: Chatham-Kent 2025
1km
September 2025
📅 11w to go
5k
Road
Jordan's Run the Runway Chatham-Kent 2025 - Runway 5K Run/Walk/Roll
Merlin, Ontario
September 5, 2025
6:30PM
Jordan's Run the Runway 5K Series: Chatham-Kent 2025
5km
September 2025
📅 11w to go
5k
Road
Jordan's Run the Runway Chatham-Kent 2025 - VIRTUAL 5K Run/Walk/Roll
Merlin, Ontario
September 5, 2025
Flexible
Jordan's Run the Runway 5K Series: Chatham-Kent 2025
5km (Virtual)
September 2025
📅 12w to go
Other Distances
Trail
5 Peaks Area 8 2025 - Sport Race
Milton, Ontario
September 6, 2025
10:00AM
2025 5 Peaks Trail Running Series: Area 8
To be confirmed
September 2025
📅 12w to go
Kids Races
Trail
5 Peaks Area 8 2025 - 1K Kids' Race
Milton, Ontario
September 6, 2025
8:45AM
2025 5 Peaks Trail Running Series: Area 8
1K
September 2025
📅 12w to go
Kids Races
Trail
5 Peaks Area 8 2025 - 3K Kids' Race
Milton, Ontario
September 6, 2025
9:05AM
2025 5 Peaks Trail Running Series: Area 8
3K
September 2025
📅 12w to go
Ultra Marathon
Trail
Haliburton Forest Trail Race 2025 - 50 Mile Trail Race
Haliburton, Ontario
September 6, 2025
7:00AM
Haliburton Forest Trail Race 2025
50 mile
September 2025
📅 12w to go
Other Distances
Road
Walk to End Suicide 2025 - Walk to End Suicide
Sunnyside Pavilion, Toronto, Ontario
September 6, 2025
10:00AM
Walk to End Suicide 2025
Walk
September 2025
📅 12w to go
Ultra Marathon
Trail
Haliburton Forest Trail Race 2025 - 50K Trail Race
Haliburton, Ontario
September 6, 2025
8:00AM
Haliburton Forest Trail Race 2025
50 km
September 2025
📅 12w to go
Other Distances
Trail
Haliburton Forest Trail Race 2025 - 26K Trail Race
Haliburton, Ontario
September 6, 2025
9:00AM
Haliburton Forest Trail Race 2025
26 km
September 2025
📅 12w to go
Other Distances
Trail
5 Peaks Area 8 2025 - Enduro Race
Milton, Ontario
September 6, 2025
9:30AM
2025 5 Peaks Trail Running Series: Area 8
To be confirmed
September 2025
📅 12w to go
Other Distances
Trail
Haliburton Forest Trail Race 2025 - 12K Trail Race
Haliburton, Ontario
September 6, 2025
10:00AM
Haliburton Forest Trail Race 2025
12 km
September 2025
📅 12w to go
Other Distances
Trail
5 Peaks Area 8 2025 - Grit Race
Milton, Ontario
September 6, 2025
8:30AM
2025 5 Peaks Trail Running Series: Area 8
To be confirmed
September 2025
📅 12w to go
Ultra Marathon
Trail
Haliburton Forest Trail Race 2025 - 100 Mile Trail Race
Haliburton, Ontario
September 6, 2025
6:00AM
Haliburton Forest Trail Race 2025
100 mile
September 2025
📅 12w to go
10k
Road
Don Doan Dash 2025 - 10K Run
Brampton, Ontario
September 7, 2025
9:00AM
Don Doan Dash 2025
10km
September 2025
📅 12w to go
5k
Road
Don Doan Dash 2025 - 5K Run
Brampton, Ontario
September 7, 2025
9:00AM
Don Doan Dash 2025
5km
September 2025
📅 12w to go
5k
Road
Constantine Yorkville Run 2025 - 5k (12 & Under)
Toronto, Ontario
September 7, 2025
9:00AM
Constantine Yorkville Run 2025
5km
September 2025
📅 12w to go
5k
Road
Constantine Yorkville Run 2025 - 5k
Toronto, Ontario
September 7, 2025
9:00AM
Constantine Yorkville Run 2025
5km
September 2025
📅 12w to go
5k
Road
Toronto Island Run 2025 - 5K
Toronto, Ontario
September 7, 2025
10:45AM
Toronto Island Run 2025
5km
September 2025
📅 12w to go
5k
Road
Constantine Yorkville Run 2025 - 5k (High School Students)
Toronto, Ontario
September 7, 2025
9:00AM
Constantine Yorkville Run 2025
5km
September 2025
📅 12w to go
Kids Races
Road
Toronto Island Run 2025 - Kids 1 Mile Race
Toronto, Ontario
September 7, 2025
10:20AM
Toronto Island Run 2025
1 mile
September 2025
📅 12w to go
5k
Road
Constantine Yorkville Run 2025 - Virtual 5k
Toronto, Ontario
September 7, 2025
12:00AM
Constantine Yorkville Run 2025
5km
September 2025
📅 12w to go
10k
Road
Toronto Island Run 2025 - 10K
Toronto, Ontario
September 7, 2025
11:15AM
Toronto Island Run 2025
10km
September 2025
📅 12w to go
Kids Races
Road
Toronto Island Run 2025 - Kids Fun Run
Toronto, Ontario
September 7, 2025
10:00AM
Toronto Island Run 2025
1km
September 2025
📅 12w to go
5k
Road
Georgina Marathon & Half-Marathon 2025 - 5km Run/Walk
Jacksons Point, Ontario
September 7, 2025
8:00AM
Georgina Marathon & Half-Marathon 2025
5km
September 2025
📅 12w to go
Under 5K
Road
Take It In Strides Run 2025 - 3 km Walk with Spaghetti Dinner
Thunder Bay, Ontario
September 7, 2025
9:30AM
Take It In Strides Run 2025
3km
September 2025
📅 12w to go
Under 5K
Road
Take It In Strides Run 2025 - 3 km Walk Only
Thunder Bay, Ontario
September 7, 2025
9:30AM
Take It In Strides Run 2025
3km
September 2025
📅 12w to go
Kids Races
Road
Take It In Strides Run 2025 - 12 Years and Under with Spaghetti Dinner
Thunder Bay, Ontario
September 7, 2025
9:30AM
Take It In Strides Run 2025
Any distance (12 and under)
September 2025
📅 12w to go
10k
Road
Georgina Marathon & Half-Marathon 2025 - 10km Run/Walk
Jacksons Point, Ontario
September 7, 2025
7:50AM
Georgina Marathon & Half-Marathon 2025
10km
September 2025
📅 12w to go
Virtual Races
Road
Take It In Strides Run 2025 - Virtual Participation with Spaghetti Dinner
Thunder Bay, Ontario
September 7, 2025
9:30AM
Take It In Strides Run 2025
Virtual - any activity
September 2025
No races found.
There are no results with this criteria. Try changing your search.