Upcoming Running Races in Ontario
Find the best running races in Ontario! From 5Ks to marathons, explore upcoming races and plan your next challenge.
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📅 14w to go
Half Marathon
Sault International Festival of Races 2025 - Half Marathon
Sault Ste. Marie, Michigan
September 27, 2025
Sault International Festival of Races 2025
Half Marathon
September 2025
📅 14w to go
5k
Sault International Festival of Races 2025 - 5K Walk
Sault Ste. Marie, Michigan
September 27, 2025
Sault International Festival of Races 2025
5k
September 2025
📅 14w to go
5k
Road
YMCA Charity 2025 - 5K YMCA Staff
Downsview Park, Toronto, Ontario
September 27, 2025
9:00AM
YMCA Charity 5K 2025
5km
September 2025
📅 14w to go
Kids Races
Road
YMCA Charity 2025 - 5K Youth 18 and Younger
Downsview Park, Toronto, Ontario
September 27, 2025
9:00AM
YMCA Charity 5K 2025
5km
September 2025
📅 14w to go
Half Marathon
Road
Cedar Ridge Hilly Half 2025 - Hilly Half-Marathon
McArthurs Mills, Ontario
September 27, 2025
9:00AM
Cedar Ridge Hilly Half-Marathon & 10Km 2025
21.1km
September 2025
📅 14w to go
5k
Road
YMCA Charity 2025 - 5K Adult 18+
Downsview Park, Toronto, Ontario
September 27, 2025
9:00AM
YMCA Charity 5K 2025
5km
September 2025
📅 14w to go
10k
Road
Cedar Ridge Hilly Half 2025 - 10Km Race
McArthurs Mills, Ontario
September 27, 2025
9:15AM
Cedar Ridge Hilly Half-Marathon & 10Km 2025
10km
September 2025
📅 14w to go
Under 5K
Road
Cedar Ridge Hilly Half 2025 - Children's Fun Run
McArthurs Mills, Ontario
September 27, 2025
Cedar Ridge Hilly Half-Marathon & 10Km 2025
1km
September 2025
📅 14w to go
Fun Runs & Family Runs
Trail
Essex Region Conservation Bike Tour 2025 - Family Greenway Ride
Kingsville, Ontario
September 27, 2025
11:00AM
Essex Region Conservation Bike Tour 2025
15 km
September 2025
📅 14w to go
10k
Trail
Persistence Racing 2025 - New Era Grafix 8k
Aylmer, Ontario
September 27, 2025
10:30AM
The Howling Ghost Trail Race 2025
8k
September 2025
📅 14w to go
Other Distances
Trail
Essex Region Conservation Bike Tour 2025 - Intermediate Greenway Ride
Kingsville, Ontario
September 27, 2025
10:00AM
Essex Region Conservation Bike Tour 2025
32 km
September 2025
📅 14w to go
Other Distances
Trail
Persistence Racing 2025 - 16k
Aylmer, Ontario
September 27, 2025
10:35AM
The Howling Ghost Trail Race 2025
16k
September 2025
📅 14w to go
Fun Runs & Family Runs
Road
Run for Ottawa (NCR) 2025 - 1K Fun Walk
Ottawa, Ontario
September 28, 2025
9:00 AM
Run for Ottawa 2025
1km
September 2025
📅 14w to go
Under 5K
Road
Run for Ottawa 2025 - 3K Run
Ottawa, Ontario
September 28, 2025
9:00AM
Run for Ottawa 2025
3km
September 2025
📅 14w to go
5k
Road
Run for Ottawa 2025 - 5K Run
Ottawa, Ontario
September 28, 2025
9:00AM
Run for Ottawa 2025
5km
September 2025
📅 14w to go
Fun Runs & Family Runs
Road
Unity Run 2025 - 1k
Renfrew, Ontario
September 28, 2025
8:30 AM
Unity Run 2025
1km
September 2025
📅 14w to go
5k
Road
Unity Run 2025 - 5k
Renfrew, Ontario
September 28, 2025
8:30 AM
Unity Run 2025
5km
September 2025
📅 14w to go
10k
Road
Unity Run 2025 - 10k
Renfrew, Ontario
September 28, 2025
8:30 AM
Unity Run 2025
10km
September 2025
📅 14w to go
5k
Albion Ascent Trail Race 2025 - 5K
Hamilton, Ontario
September 28, 2025
Albion Ascent Trail Race 2025
5k
September 2025
📅 14w to go
10k
Albion Ascent Trail Race 2025 - 10K
Hamilton, Ontario
September 28, 2025
Albion Ascent Trail Race 2025
10k
September 2025
📅 14w to go
Half Marathon
Albion Ascent Trail Race 2025 - 21K
Hamilton, Ontario
September 28, 2025
Albion Ascent Trail Race 2025
Half Marathon
September 2025
📅 14w to go
5k
Niagara Running Series 2025 - Run for the Grapes 5K
Jordan, Ontario
September 28, 2025
Run for the Grapes 1/2 Marathon & 5K 2025
5k
September 2025
📅 14w to go
Half Marathon
Niagara Running Series 2025 - Run for the Grapes Half Marathon
Jordan, Ontario
September 28, 2025
Run for the Grapes 1/2 Marathon & 5K 2025
Half Marathon
September 2025
📅 14w to go
Under 5K
Run for Mississauga 2025 - 1K Fun Walk
Mississauga, Ontario
September 28, 2025
Run for Mississauga 2025
Under 5K
September 2025
📅 14w to go
Under 5K
Run for Mississauga 2025 - 3K Run
Mississauga, Ontario
September 28, 2025
Run for Mississauga 2025
Under 5K
September 2025
📅 14w to go
Other Distances
Road
Cupcake Run 2025 - I'm Only Here For The Cupcakes
Mississauga, Ontario
September 28, 2025
Cupcake Run 2025
N/A
September 2025
📅 14w to go
Fun Runs & Family Runs
Road
Run for Markham 2025 - 1K Family Fun Walk
Markham, Ontario
September 28, 2025
9:45AM
Run for Markham 2025
1K
September 2025
📅 14w to go
5k
Road
Springbank Road Races 2025 - 5K Run/Walk
London, Ontario
September 28, 2025
9:00AM
Springbank Road Races London 2025
5km
September 2025
📅 14w to go
Under 5K
Road
Bimbo Global Race 2025 - 3K Walk/Run
Toronto, Ontario
September 28, 2025
10:30AM
Bimbo Global Race 2025
3K
September 2025
📅 14w to go
5k
Road
Bimbo Global Race 2025 - 5K Run
Toronto, Ontario
September 28, 2025
9:45AM
Bimbo Global Race 2025
5K
September 2025
📅 14w to go
Kids Races
Road
Run With Her 2025 - Kids Trot
Windsor, Ontario
September 28, 2025
Run with Her 2025
Kids Run
September 2025
📅 14w to go
5k
Road
Run for Burlington 2025 - 5K Run
Burlington, Ontario
September 28, 2025
9:30AM
Run for Burlington 2025
5km
September 2025
📅 14w to go
5k
Road
Run With Her 2025 - Run With Her 5K
Windsor, Ontario
September 28, 2025
9:30AM
Run with Her 2025
5km
September 2025
📅 14w to go
Fun Runs & Family Runs
Road
Our Hospital Walk/Run 2025 - Family Mile
North Bay, Ontario
September 28, 2025
9:25AM
Our Hospital Walk/Run 2025
1 mile
September 2025
📅 14w to go
5k
Trail
PACE FOR THE DONKEYS 2025 - PACE 5K
Puslinch, Ontario
September 28, 2025
10:00AM
PACE FOR THE DONKEYS 5k TRAIL RUN 2025
5km
September 2025
📅 14w to go
Under 5K
Road
Run for Burlington 2025 - 3K Run
Burlington, Ontario
September 28, 2025
9:30AM
Run for Burlington 2025
3km
September 2025
📅 14w to go
5k
Road
Our Hospital Walk/Run 2025 - 5K Walk/Run
North Bay, Ontario
September 28, 2025
9:55AM
Our Hospital Walk/Run 2025
5km
September 2025
📅 14w to go
5k
Road
Run for Markham 2025 - 5K Run
Markham, Ontario
September 28, 2025
9:30AM
Run for Markham 2025
5K
September 2025
📅 14w to go
Kids Races
Road
Springbank Road Races 2025 - Kiddy Trot
London, Ontario
September 28, 2025
11:20AM
Springbank Road Races London 2025
250m
September 2025
📅 14w to go
10k
Road
Bimbo Global Race 2025 - Virtual 10K
Toronto, Ontario
September 28, 2025
Flexible
Bimbo Global Race 2025
10K
September 2025
📅 14w to go
Kids Races
Road
Cupcake Run 2025 - Kids Dash
Mississauga, Ontario
September 28, 2025
9:00AM
Cupcake Run 2025
1km
September 2025
📅 14w to go
10k
Road
Bimbo Global Race 2025 - 10K Run
Toronto, Ontario
September 28, 2025
8:00AM
Bimbo Global Race 2025
10K
September 2025
📅 14w to go
Fun Runs & Family Runs
Road
Run for Burlington 2025 - 1K Family Fun Walk
Burlington, Ontario
September 28, 2025
9:45AM
Run for Burlington 2025
1km
September 2025
📅 14w to go
5k
Road
Bimbo Global Race 2025 - Virtual 5K
Toronto, Ontario
September 28, 2025
Flexible
Bimbo Global Race 2025
5K
September 2025
📅 14w to go
Under 5K
Road
Springbank Road Races 2025 - 2.1K Run
London, Ontario
September 28, 2025
11:00AM
Springbank Road Races London 2025
2.1km
September 2025
📅 14w to go
10k
Road
Our Hospital Walk/Run 2025 - 10K Walk/Run
North Bay, Ontario
September 28, 2025
9:50AM
Our Hospital Walk/Run 2025
10km
September 2025
📅 14w to go
Half Marathon
Road
Springbank Road Races 2025 - Half Marathon
London, Ontario
September 28, 2025
8:30AM
Springbank Road Races London 2025
21.1km
September 2025
📅 14w to go
Other Distances
Road
Run for Markham 2025 - 3K Run
Markham, Ontario
September 28, 2025
9:30AM
Run for Markham 2025
3K
September 2025
📅 14w to go
5k
Road
Cupcake Run 2025 - Virtual 5K
Mississauga, Ontario
September 28, 2025
Cupcake Run 2025
5km
September 2025
📅 14w to go
Under 5K
Trail
PACE FOR THE DONKEYS 2025 - PACE 1K OPTION
Puslinch, Ontario
September 28, 2025
10:00AM
PACE FOR THE DONKEYS 5k TRAIL RUN 2025
1km
September 2025
📅 14w to go
5k
Road
Cupcake Run 2025 - Sweet 5K
Mississauga, Ontario
September 28, 2025
9:30AM
Cupcake Run 2025
5km
September 2025
📅 18w to go
Marathon
Road
Niagara Falls International Marathon 2025 - Virtual Marathon
Niagara Falls, Ontario
October 1, 2025
12:00AM
Niagara Falls International Marathon 2025
42.195km (virtual)
October 2025
📅 18w to go
Half Marathon
Road
Niagara Falls International Marathon 2025 - Virtual Half Marathon
Niagara Falls, Ontario
October 1, 2025
12:00AM
Niagara Falls International Marathon 2025
21.1km (virtual)
October 2025
📅 18w to go
10k
Road
Niagara Falls International Marathon 2025 - Virtual 10K
Niagara Falls, Ontario
October 1, 2025
12:00AM
Niagara Falls International Marathon 2025
10km (virtual)
October 2025
📅 18w to go
5k
Road
Niagara Falls International Marathon 2025 - Virtual 5K
Niagara Falls, Ontario
October 1, 2025
12:00AM
Niagara Falls International Marathon 2025
5km (virtual)
October 2025
📅 15w to go
15k
Virtual
Run The Caves 2025 - 15 km Virtual Run
Peterborough, Ontario
October 1, 2025
09:00AM
Run The Caves 2025
15 km
October 2025
📅 15w to go
Half Marathon
Virtual
Cooper Robertson Foundation 2025 - Virtual Half Marathon
Grimsby, Ontario
October 3, 2025
Anytime
Cooper Robertson Foundation – Run With Coops! 2025
21.1km
October 2025
📅 15w to go
Ultra Marathon
Trail
Blue Bully Ultra 2025 - Big Bully 3-Day
The Blue Mountains, Ontario
October 3, 2025
17:00
BLUE BULLY ULTRA 2025
5km + 50km + 3-hour loop race
October 2025
📅 15w to go
5k
Virtual
Cooper Robertson Foundation 2025 - Virtual 5K Run/Walk
Grimsby, Ontario
October 3, 2025
Anytime
Cooper Robertson Foundation – Run With Coops! 2025
5km
October 2025
📅 15w to go
10k
Virtual
Cooper Robertson Foundation 2025 - Virtual 10K
Grimsby, Ontario
October 3, 2025
Anytime
Cooper Robertson Foundation – Run With Coops! 2025
10km
October 2025
📅 15w to go
Under 5K
Virtual
Cooper Robertson Foundation 2025 - Corporate 1K Challenge
Grimsby, Ontario
October 3, 2025
Anytime
Cooper Robertson Foundation – Run With Coops! 2025
1km
October 2025
📅 15w to go
5k
Road
Jordan's Run the Runway 2025 - VIRTUAL 5K Run/Walk/Roll
Sarnia, Ontario
October 3, 2025
Anytime
Jordan's Run the Runway 5K Series: Sarnia-Lambton 2025
5km
October 2025
📅 15w to go
Other Distances
Trail
Blue Bully Ultra 2025 - Little Bully 3-Day
The Blue Mountains, Ontario
October 3, 2025
17:00
BLUE BULLY ULTRA 2025
5km + 25km + 1.5-hour loop race
October 2025
📅 15w to go
Marathon
Virtual
Cooper Robertson Foundation 2025 - Virtual Marathon
Grimsby, Ontario
October 3, 2025
Anytime
Cooper Robertson Foundation – Run With Coops! 2025
42.2km
October 2025
📅 15w to go
5k
Road
Jordan's Run the Runway 2025 - Runway 5K Run/Walk/Roll
Sarnia, Ontario
October 3, 2025
6:00PM
Jordan's Run the Runway 5K Series: Sarnia-Lambton 2025
5km
October 2025
📅 15w to go
Under 5K
Road
Jordan's Run the Runway 2025 - Kiddie Trot 1K
Sarnia, Ontario
October 3, 2025
5:45PM
Jordan's Run the Runway 5K Series: Sarnia-Lambton 2025
1km
October 2025
📅 15w to go
5k
Trail
Blue Bully Ultra 2025 - The Stampede
The Blue Mountains, Ontario
October 3, 2025
17:00
BLUE BULLY ULTRA 2025
5km
October 2025
📅 15w to go
Trail
5 Peaks Heart Lake 2025 - Sport Waves
Brampton, Ontario
October 4, 2025
10:00 AM
5 Peaks Trail Running Series: Heart Lake 2025
7.5km
October 2025
📅 15w to go
Trail
5 Peaks Heart Lake 2025 - Enduro Waves
Brampton, Ontario
October 4, 2025
9:30 AM
5 Peaks Trail Running Series: Heart Lake 2025
14.6km
October 2025
📅 15w to go
Kids Races
5 Peaks Heart Lake 2025 - 1K Free Kids Start
Brampton, Ontario
October 4, 2025
8:45 AM
5 Peaks Trail Running Series: Heart Lake 2025
1km
October 2025
📅 15w to go
Trail
5 Peaks Heart Lake 2025 - Grit Waves
Brampton, Ontario
October 4, 2025
8:30 AM
5 Peaks Trail Running Series: Heart Lake 2025
22.5km
October 2025
📅 15w to go
Kids Races
5 Peaks Heart Lake 2025 - 3K Kids Run
Brampton, Ontario
October 4, 2025
9:05 AM
5 Peaks Trail Running Series: Heart Lake 2025
3km
October 2025
📅 15w to go
10k
Trail
UpRiver Running Fall Races 2025 - 10K
Thunder Bay, Ontario
October 4, 2025
11:30AM
UpRiver Running Fall Races 2025
10km
October 2025
📅 15w to go
Other Distances
Trail
UpRiver Running Fall Races 2025 - 25K
Thunder Bay, Ontario
October 4, 2025
9:30AM
UpRiver Running Fall Races 2025
25km
October 2025
📅 15w to go
5k
PUMA Toronto Women's Run Series 2025 - PUMA Toronto Women's Fall 5K
Toronto, Ontario
October 4, 2025
PUMA Toronto Women's Fall 8K/5K 2025
5k
October 2025
📅 15w to go
Kids Races
Trail
UpRiver Running Fall Races 2025 - Kids Trail Run
Thunder Bay, Ontario
October 4, 2025
10:45AM
UpRiver Running Fall Races 2025
2.5km
October 2025
📅 15w to go
Other Distances
PUMA Toronto Women's Run Series 2025 - PUMA Toronto Women's Fall 8K
Toronto, Ontario
October 4, 2025
PUMA Toronto Women's Fall 8K/5K 2025
Other Distances
October 2025
📅 15w to go
Ultra Marathon
Trail
UpRiver Running Fall Races 2025 - 50K
Thunder Bay, Ontario
October 4, 2025
7:00AM
UpRiver Running Fall Races 2025
50km
October 2025
📅 15w to go
Virtual Races
PUMA Toronto Women's Run Series 2025 - PUMA Toronto Women's Virtual Fall 5K
Toronto, Ontario
October 4, 2025
PUMA Toronto Women's Fall 8K/5K 2025
Virtual Races
October 2025
📅 15w to go
Virtual Races
PUMA Toronto Women's Run Series 2025 - PUMA Toronto Women's Virtual Fall 8K
Toronto, Ontario
October 4, 2025
PUMA Toronto Women's Fall 8K/5K 2025
Virtual Races
October 2025
📅 15w to go
5k
Road
West Rouge Fun Run 2025 - 5K Run
Toronto, Ontario
October 4, 2025
9:15AM
West Rouge Sports & Recreation Association Fun Run - 2025
5km
October 2025
📅 15w to go
5k
Road
Race to End Homelessness 2025 - 5K Run/Walk
Ottawa, Ontario
October 4, 2025
9:00AM
Race to End Homelessness 2025
5K
October 2025
📅 15w to go
10k
Road
UMEI Lightning Bolt 2025 - 10k Lightning Bolt Run
Leamington, Ontario
October 4, 2025
9:00AM
9th Annual UMEI Lightning Bolt 2025
10km
October 2025
📅 15w to go
5k
Road
UMEI Lightning Bolt 2025 - 5k Lightning Walk
Leamington, Ontario
October 4, 2025
9:00AM
9th Annual UMEI Lightning Bolt 2025
5km
October 2025
📅 15w to go
10k
Road
Race to End Homelessness 2025 - 10K Run/Walk
Ottawa, Ontario
October 4, 2025
9:00AM
Race to End Homelessness 2025
10K
October 2025
📅 15w to go
Under 5K
Road
UniversalCare Strides for Seniors 2025 - 2.5K Walk
Vaughan, Ontario
October 4, 2025
9:15AM
2025 UniversalCare Strides for Seniors
2.5km
October 2025
📅 15w to go
5k
Road
West Rouge Fun Run 2025 - 5K Walk
Toronto, Ontario
October 4, 2025
9:15AM
West Rouge Sports & Recreation Association Fun Run - 2025
5km
October 2025
📅 15w to go
Kids Races
Road
Race to End Homelessness 2025 - Kids 1K Run/Walk
Ottawa, Ontario
October 4, 2025
9:00AM
Race to End Homelessness 2025
1K
October 2025
📅 15w to go
Other Distances
Trail
Blue Bully Ultra 2025 - The Drive 25k
The Blue Mountains, Ontario
October 4, 2025
08:00
BLUE BULLY ULTRA 2025
25km
October 2025
📅 15w to go
Kids Races
Road
UMEI Lightning Bolt 2025 - Kids Lightning Dash 400m
Leamington, Ontario
October 4, 2025
9:00AM
9th Annual UMEI Lightning Bolt 2025
400m
October 2025
📅 15w to go
10k
Road
West Rouge Fun Run 2025 - 10K Run
Toronto, Ontario
October 4, 2025
9:15AM
West Rouge Sports & Recreation Association Fun Run - 2025
10km
October 2025
📅 15w to go
Fun Runs & Family Runs
Road
UMEI Lightning Bolt 2025 - Family 5k Lightning Run/Walk
Leamington, Ontario
October 4, 2025
9:00AM
9th Annual UMEI Lightning Bolt 2025
5km
October 2025
📅 15w to go
5k
Road
UniversalCare Strides for Seniors 2025 - 5K Run
Vaughan, Ontario
October 4, 2025
9:30AM
2025 UniversalCare Strides for Seniors
5km
October 2025
📅 15w to go
Kids Races
Trail
Blue Bully Ultra 2025 - Woolly Bully Kids Race
The Blue Mountains, Ontario
October 4, 2025
09:00
BLUE BULLY ULTRA 2025
Kids race
October 2025
📅 15w to go
5k
Road
UMEI Lightning Bolt 2025 - 5k Lightning Run
Leamington, Ontario
October 4, 2025
9:00AM
9th Annual UMEI Lightning Bolt 2025
5km
October 2025
📅 15w to go
Kids Races
Road
UMEI Lightning Bolt 2025 - Kids Lightning 1k Run
Leamington, Ontario
October 4, 2025
9:00AM
9th Annual UMEI Lightning Bolt 2025
1km
October 2025
📅 15w to go
Ultra Marathon
Trail
Blue Bully Ultra 2025 - The Drive 50k
The Blue Mountains, Ontario
October 4, 2025
08:00
BLUE BULLY ULTRA 2025
50km
October 2025
📅 15w to go
Half Marathon
Road
Muskoka Marathon 2025 - Half Marathon
Bracebridge, Ontario
October 5, 2025
8:00AM
2025 Muskoka Marathon
21.1km
October 2025
📅 15w to go
Under 5K
Road
Muskoka Marathon 2025 - Santa's Village Kid's Fun Run (7+)
Bracebridge, Ontario
October 5, 2025
9:00AM
2025 Muskoka Marathon
1km
October 2025
📅 15w to go
10k
Road
Muskoka Marathon 2025 - 10k
Bracebridge, Ontario
October 5, 2025
2:00PM
2025 Muskoka Marathon
10km
October 2025
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