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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✅ Completed!
Marathon
Road
SudburyROCKS!!! Marathon Walk
Sudbury, Ontario
May 25, 2025
6:00 AM
SudburyROCKS!!! Marathon 2025
Marathon
May 2025
✅ Completed!
10k
Road
The Perdue Family Lise's 10K Run/Walk
Sudbury, Ontario
May 25, 2025
8:35 AM
SudburyROCKS!!! Marathon 2025
10k
May 2025
✅ Completed!
Half Marathon
Road
Steve's Half Marathon Run/Walk
Sudbury, Ontario
May 25, 2025
7:55 AM
SudburyROCKS!!! Marathon 2025
Half Marathon
May 2025
✅ Completed!
5k
Road
SudburyROCKS 5K Run/Walk
Sudbury, Ontario
May 25, 2025
9:00 AM
SudburyROCKS!!! Marathon 2025
5k
May 2025
✅ Completed!
Marathon
Road
SudburyROCKS!!! Marathon
Sudbury, Ontario
May 25, 2025
7:55 AM
SudburyROCKS!!! Marathon 2025
Marathon
May 2025
✅ Completed!
10k
Road
Waterloo 10 KM Classic 2025 - 10k
Waterloo, Ontario
June 15, 2025
8:30AM
Waterloo 10 KM Classic 2025
10km
June 2025
✅ Completed!
Kids Races
Road
Waterloo 10 KM Classic 2025 - Klassic Kids' 200m
Waterloo, Ontario
June 15, 2025
10:15AM
Waterloo 10 KM Classic 2025
200m
June 2025
✅ Completed!
Under 5K
Road
Waterloo 10 KM Classic 2025 - 3k
Waterloo, Ontario
June 15, 2025
8:30AM
Waterloo 10 KM Classic 2025
3km
June 2025
🏁 Race Day
Other Distances
Trail
Couch to Voyageur 2025 - 60 km Conditioning
North Bay, Ontario
June 15, 2025
2:00PM
Couch To a Voyageur 2025
60 km
June 2025
🏁 Race Day
Other Distances
Trail
Couch to Voyageur 2025 - 30 km Conditioning
North Bay, Ontario
June 15, 2025
2:00PM
Couch To a Voyageur 2025
30 km
June 2025
🏁 Race Day
Virtual Races
Road
Huron House Boys' Home Run 2025 - Virtual Participant
Sarnia, Ontario
June 15, 2025
Anytime
38th Annual HHBH Run/Walk/Bike event 2025
Participant's choice
June 2025
🏁 Race Day
5k
Road
Run with Pride 2025 - The Fabulous 5k
London, Ontario
June 15, 2025
6:45PM
Run with Pride 2025
5km
June 2025
🏁 Race Day
Fun Runs & Family Runs
Road
Run with Pride 2025 - Chosen Family Stroll
London, Ontario
June 15, 2025
6:50PM
Run with Pride 2025
2km
June 2025
🏁 Race Day
5k
Road
Huron House Boys' Home Run 2025 - 5K Timed Race
Sarnia, Ontario
June 15, 2025
8:12AM
38th Annual HHBH Run/Walk/Bike event 2025
5km
June 2025
🏁 Race Day
10k
Road
Run with Pride 2025 - A Tasteful 10k
London, Ontario
June 15, 2025
6:30PM
Run with Pride 2025
10km
June 2025
🏁 Race Day
Other Distances
Road
Huron House Boys' Home Run 2025 - 7K Bike
Sarnia, Ontario
June 15, 2025
7:55AM
38th Annual HHBH Run/Walk/Bike event 2025
7km
June 2025
🏁 Race Day
5k
Road
Huron House Boys' Home Run 2025 - 5K Walk
Sarnia, Ontario
June 15, 2025
8:16AM
38th Annual HHBH Run/Walk/Bike event 2025
5km
June 2025
🏁 Race Day
5k
Road
Stouffville Main Street 2025 - Main Street 5K
Whitchurch-Stouffville, Ontario
June 15, 2025
8:30AM
Stouffville Main Street 5K 2025
5km
June 2025
🏁 Race Day
Other Distances
Road
Huron House Boys' Home Run 2025 - Athletic Assistant
Sarnia, Ontario
June 15, 2025
38th Annual HHBH Run/Walk/Bike event 2025
N/A
June 2025
🏁 Race Day
10k
Road
Huron House Boys' Home Run 2025 - 10K Timed Run
Sarnia, Ontario
June 15, 2025
8:00AM
38th Annual HHBH Run/Walk/Bike event 2025
10km
June 2025
🏁 Race Day
Kids Races
Road
Stouffville Main Street 2025 - Kids 1K Dash
Whitchurch-Stouffville, Ontario
June 15, 2025
10:00AM
Stouffville Main Street 5K 2025
1km
June 2025
🏁 Race Day
Fun Runs & Family Runs
Road
Run with Pride 2025 - Chosen Family Stroll (Family Rate)
London, Ontario
June 15, 2025
6:50PM
Run with Pride 2025
2km (Family Rate)
June 2025
🏃♂️ Race Week
Team/Relay
Road
The Runners Shop Longest Day Ekiden Relay Race 2025 - The Longest Day Ekiden
Toronto, Ontario
June 17, 2025
7:00PM
The Runners Shop Longest Day Ekiden Relay Race 2025
Marathon Relay (42.2km)
June 2025
🏃♂️ Race Week
Under 5K
Road
Hog Jog 2025 - 3.5K
Stratford, Ontario
June 18, 2025
6:35PM
Hog Jog 2025
3.5 km
June 2025
🏃♂️ Race Week
Kids Races
Road
Hog Jog 2025 - 3.5K Youth - 15 and Under
Stratford, Ontario
June 18, 2025
6:35PM
Hog Jog 2025
3.5 km
June 2025
🏃♂️ Race Week
10k
Mixed (Road & Trail)
Hog Jog 2025 - 10K
Stratford, Ontario
June 18, 2025
6:30PM
Hog Jog 2025
10 km
June 2025
🏃♂️ Race Week
Under 5K
Road
Hog Jog 2025 - Weaner Run
Stratford, Ontario
June 18, 2025
6:15PM
Hog Jog 2025
500 m
June 2025
🏃♂️ Race Week
Kids Races
Mixed (Road & Trail)
Hog Jog 2025 - 10K Youth - 15 and Under
Stratford, Ontario
June 18, 2025
6:30PM
Hog Jog 2025
10 km
June 2025
🏃♂️ Race Week
5k
Road
Solstice 2025 - 5K Run/Walk
Toronto, Ontario
June 20, 2025
7:00PM
2025 Solstice 5K - Toronto
5km
June 2025
🏃♂️ Race Week
5k
Road
Solstice 2025 - 5K Virtual
Ottawa, Ontario
June 20, 2025
12:00AM
2025 Solstice 5K - Ottawa 2025
5K Virtual
June 2025
🏃♂️ Race Week
5k
Road
Solstice 2025 - 5K Virtual
Toronto, Ontario
June 20, 2025
At participant's discretion
2025 Solstice 5K - Toronto
5km
June 2025
.avif)
🏃♂️ Race Week
Other Distances
Trail
Mad Trapper Backyard Ultra 2025 - Individual Kristi Loop
Denholm, Quebec
June 21, 2025
8:00AM
Mad Trapper Backyard Ultra 2025
5.2 km loop (Last Person Standing)
June 2025
🏃♂️ Race Week
Other Distances
Trail
Mad Trapper Backyard Ultra 2025 - Individual Full Loop
Denholm, Quebec
June 21, 2025
8:00AM
Mad Trapper Backyard Ultra 2025
5.75 km loop (Last Person Standing)
June 2025
🏃♂️ Race Week
Team/Relay
Trail
Mad Trapper Backyard Ultra 2025 - 2 Person Team
Denholm, Quebec
June 21, 2025
8:00AM
Mad Trapper Backyard Ultra 2025
5.2 km loop (Team Last Person Standing)
June 2025
🏃♂️ Race Week
10k
Trail
Run for the Lions 2025 - 10K Run
Toronto, Ontario
June 21, 2025
9:00AM
Run for the Lions 2025
10km
June 2025
🏃♂️ Race Week
5k
Trail
Run for the Lions 2025 - 5K Walk
Toronto, Ontario
June 21, 2025
9:00AM
Run for the Lions 2025
5km
June 2025
🏃♂️ Race Week
5k
Trail
Run for the Lions 2025 - 5K Run
Toronto, Ontario
June 21, 2025
9:00AM
Run for the Lions 2025
5km
June 2025
🏃♂️ Race Week
5k
Road
Community Strong Race Weekend 2025 - Colour Run
Sault Ste. Marie, Ontario
June 21, 2025
10:00AM
Community Strong Race Weekend 2025
5km
June 2025
🏃♂️ Race Week
10k
Road
Community Strong Race Weekend 2025 - 10km Run
Sault Ste. Marie, Ontario
June 21, 2025
8:00AM
Community Strong Race Weekend 2025
10km
June 2025
🏃♂️ Race Week
Kids Races
Road
Community Strong Race Weekend 2025 - Kids Fun Run
Sault Ste. Marie, Ontario
June 21, 2025
10:15AM
Community Strong Race Weekend 2025
1km
June 2025
🏃♂️ Race Week
Other Distances
Trail
Apex Trail Race Series 2025 - Wolf Pup Race (Age 5-12)
Sudbury, Ontario
June 21, 2025
12:30PM
Apex X 2025
3.5km
June 2025
🏃♂️ Race Week
Other Distances
Trail
Apex Trail Race Series 2025 - Alpha Runners 3.5KM (Elite)
Sudbury, Ontario
June 21, 2025
9:30AM
Apex X 2025
3.5km
June 2025
🏃♂️ Race Week
Other Distances
Trail
Apex Trail Race Series 2025 - Delta Runners 3.5KM (Recreational)
Sudbury, Ontario
June 21, 2025
9:45AM
Apex X 2025
3.5km
June 2025
🏃♂️ Race Week
Other Distances
Trail
Apex Trail Race Series 2025 - Delta Runners 7KM (Recreational)
Sudbury, Ontario
June 21, 2025
9:15AM
Apex X 2025
7km
June 2025
🏃♂️ Race Week
Other Distances
Trail
Apex Trail Race Series 2025 - Alpha Runners 7KM (Elite)
Sudbury, Ontario
June 21, 2025
9:00AM
Apex X 2025
7km
June 2025
🏃♂️ Race Week
Team/Relay
Trail
Apex Trail Race Series 2025 - Wolf Pack Run 7KM (Team)
Sudbury, Ontario
June 21, 2025
9:15AM
Apex X 2025
7km
June 2025
🏃♂️ Race Week
Team/Relay
Trail
Apex Trail Race Series 2025 - Wolf Pack Run 3.5KM (Team)
Sudbury, Ontario
June 21, 2025
10:10AM
Apex X 2025
3.5km
June 2025
🏃♂️ Race Week
Challenges
Road
Community Strong Race Weekend 2025 - USW 2724 Special Forces 8hr Event
Sault Ste. Marie, Ontario
June 21, 2025
4:00PM
Community Strong Race Weekend 2025
8 hours
June 2025
🏃♂️ Race Week
Challenges
Road
Community Strong Race Weekend 2025 - USW 2724 Special Forces 4hr Event
Sault Ste. Marie, Ontario
June 21, 2025
4:00PM
Community Strong Race Weekend 2025
4 hours
June 2025
🏃♂️ Race Week
Challenges
Road
Community Strong Race Weekend 2025 - USW 2724 Special Forces 12hr Event
Sault Ste. Marie, Ontario
June 21, 2025
4:00PM
Community Strong Race Weekend 2025
12 hours
June 2025
🏃♂️ Race Week
Half Marathon
Niagara Ultra 2025 - Half Marathon
Niagara-on-the-Lake, Ontario
June 21, 2025
Niagara Ultra Races 2025
Half Marathon
June 2025
🏃♂️ Race Week
Marathon
Niagara Ultra 2025 - Marathon
Niagara-on-the-Lake, Ontario
June 21, 2025
Niagara Ultra Races 2025
Marathon
June 2025
🏃♂️ Race Week
10k
Niagara Ultra 2025 - 10 km
Niagara-on-the-Lake, Ontario
June 21, 2025
Niagara Ultra Races 2025
10k
June 2025
🏃♂️ Race Week
Ultra Marathon
Road
Niagara Ultra 2025 - 50 km Ultra
Niagara-on-the-Lake, Ontario
June 21, 2025
6:00AM
Niagara Ultra Races 2025
50 km
June 2025
🏃♂️ Race Week
5k
Road
Duck and Run - Thunder Bay 2025 - 5K Fun Run
Thunder Bay, Ontario
June 21, 2025
Duck and Run - Thunder Bay 2025
5K
June 2025
🏃♂️ Race Week
Under 5K
Road
Duck and Run - Thunder Bay 2025 - 1K Fun Run
Thunder Bay, Ontario
June 21, 2025
Duck and Run - Thunder Bay 2025
1K
June 2025
🏃♂️ Race Week
Under 5K
Road
Perth World Record Kilt Run 2025 - Wee Lad & Lassie Races (Ages 2-4)
Perth, Ontario
June 21, 2025
5:30PM
The 2025 Perth World Record Kilt Run
200m
June 2025
🏃♂️ Race Week
Other Distances
Trail
Dirty Soles Trail Running 2025 - Boomerang 2 Hours
Quinte West, Ontario
June 21, 2025
8:00AM
Boomerang Trail Run 2025
2 hours
June 2025
🏃♂️ Race Week
5k
Road
Solstice 2025 - 5K Run/Walk
Ottawa, Ontario
June 21, 2025
8:45PM
2025 Solstice 5K - Ottawa 2025
5K
June 2025
🏃♂️ Race Week
Other Distances
Road
Perth World Record Kilt Run 2025 - The Sir Mike
Perth, Ontario
June 21, 2025
5:00PM
The 2025 Perth World Record Kilt Run
6 miles
June 2025
🏃♂️ Race Week
Other Distances
Road
Perth World Record Kilt Run 2025 - Classic 5 Mile
Perth, Ontario
June 21, 2025
6:00PM
The 2025 Perth World Record Kilt Run
8km
June 2025
🏃♂️ Race Week
Other Distances
Trail
Dirty Soles Trail Running 2025 - Boomerang 4 Hours
Quinte West, Ontario
June 21, 2025
8:00AM
Boomerang Trail Run 2025
4 hours
June 2025
🏃♂️ Race Week
Other Distances
Trail
Dirty Soles Trail Running 2025 - Boomerang 6 Hours
Quinte West, Ontario
June 21, 2025
8:00AM
Boomerang Trail Run 2025
6 hours
June 2025
🏃♂️ Race Week
Other Distances
Road
Perth World Record Kilt Run 2025 - Royal Mile
Perth, Ontario
June 21, 2025
5:00PM
The 2025 Perth World Record Kilt Run
1 mile
June 2025
🏃♂️ Race Week
Team/Relay
Trail
Happy Trails Racing 2025 - Full Solstice Relay
Mount Hope, Ontario
June 21, 2025
5:39AM
The Sunburn Solstice Trail Run 2025
15 hours 23 minutes
June 2025
🏃♂️ Race Week
Other Distances
Trail
Happy Trails Racing 2025 - Full Solstice
Mount Hope, Ontario
June 21, 2025
5:39AM
The Sunburn Solstice Trail Run 2025
15 hours 23 minutes
June 2025
🏃♂️ Race Week
Under 5K
Road
Perth World Record Kilt Run 2025 - Wee Lad & Lassie Races (Ages 5-6)
Perth, Ontario
June 21, 2025
5:30PM
The 2025 Perth World Record Kilt Run
400m
June 2025
🏃♂️ Race Week
Other Distances
Road
Perth World Record Kilt Run 2025 - The Macbeth
Perth, Ontario
June 21, 2025
6:00PM
The 2025 Perth World Record Kilt Run
8km
June 2025
⏳ 7d to go
Virtual Races
Duck and Run 2025 - 10,000-Steps Challenge
Ottawa, Ontario
June 22, 2025
Duck and Run 2025
8km
June 2025
⏳ 7d to go
5k
Duck and Run 2025 - 5K Fun Run
Ottawa, Ontario
June 22, 2025
Duck and Run 2025
5km
June 2025
⏳ 7d to go
Fun Runs & Family Runs
Duck and Run 2025 - 1K Fun Run
Ottawa, Ontario
June 22, 2025
Duck and Run 2025
1km
June 2025
🏃♂️ Race Week
Half Marathon
Road
Community Strong Race Weekend 2025 - Half-Marathon
Sault Ste. Marie, Ontario
June 22, 2025
6:30AM
Community Strong Race Weekend 2025
Half Marathon (21.1km)
June 2025
🏃♂️ Race Week
Marathon
Road
Community Strong Race Weekend 2025 - Marathon
Sault Ste. Marie, Ontario
June 22, 2025
6:00AM
Community Strong Race Weekend 2025
Marathon (42.195km)
June 2025
⏳ 7d to go
5k
Trail
Uxbridge Run for the Diamond 2025 - 5K Trail Run/Walk
Uxbridge, Ontario
June 22, 2025
8:15AM
Uxbridge Run for the Diamond 2025
5km
June 2025
⏳ 7d to go
10k
Trail
Uxbridge Run for the Diamond 2025 - 10K Trail Run/Walk
Uxbridge, Ontario
June 22, 2025
8:00AM
Uxbridge Run for the Diamond 2025
10km
June 2025
⏳ 7d to go
Kids Races
Trail
Uxbridge Run for the Diamond 2025 - Kids Dash
Uxbridge, Ontario
June 22, 2025
9:00AM
Uxbridge Run for the Diamond 2025
1km
June 2025
⏳ 7d to go
5k
Virtual
Canadian Fire Fighters Museum Run/Walk 2025 - Virtual 5K Run
Cobourg, Ontario
June 22, 2025
Flexible
Canadian Fire Fighters Museum Run/Walk 2025
5km
June 2025
⏳ 7d to go
Team/Relay
Trail
FitFarm Strathroy 2025 - Team of 3 Relay 6HR Ultra
Strathroy, Ontario
June 22, 2025
8:00AM
FitFarm Little Loop Ultra 2025
6 hours
June 2025
⏳ 7d to go
Under 5K
Road
Canadian Fire Fighters Museum Run/Walk 2025 - 2.5K Run/Walk
Cobourg, Ontario
June 22, 2025
9:30AM
Canadian Fire Fighters Museum Run/Walk 2025
2.5km
June 2025
⏳ 7d to go
5k
Road
Kawartha Sun Run 2025 - 5K
Fenelon Falls, Ontario
June 22, 2025
8:00AM
Kawartha Sun Run 2025
5km
June 2025
⏳ 7d to go
5k
Road
Canadian Fire Fighters Museum Run/Walk 2025 - 5K Bunker Gear Challenge
Cobourg, Ontario
June 22, 2025
9:30AM
Canadian Fire Fighters Museum Run/Walk 2025
5km
June 2025
⏳ 7d to go
5k
Road
Canadian Fire Fighters Museum Run/Walk 2025 - 5K Run
Cobourg, Ontario
June 22, 2025
9:30AM
Canadian Fire Fighters Museum Run/Walk 2025
5km
June 2025
⏳ 7d to go
Other Distances
Road
Run for Cornwall 2025 - 3K Run
Cornwall, Ontario
June 22, 2025
9:30AM
Run for Cornwall 2025
3km
June 2025
⏳ 7d to go
Half Marathon
Road
Kawartha Sun Run 2025 - Half Marathon
Fenelon Falls, Ontario
June 22, 2025
8:00AM
Kawartha Sun Run 2025
21.1km
June 2025
⏳ 7d to go
Under 5K
Road
Tony's Run for the Ark 2025 - 1km Fun Run
Springbank Gardens Community Centre, London, Ontario
June 22, 2025
9:45AM
Tony's Run for the Ark 2025
1km
June 2025
⏳ 7d to go
Kids Races
Trail
FitFarm Strathroy 2025 - Youth 2.5 km Fun Run
Strathroy, Ontario
June 22, 2025
10:30AM
FitFarm Little Loop Ultra 2025
2.5 km
June 2025
⏳ 7d to go
10k
Road
Kawartha Sun Run 2025 - 10K
Fenelon Falls, Ontario
June 22, 2025
8:00AM
Kawartha Sun Run 2025
10km
June 2025
⏳ 7d to go
5k
Road
Run for Cornwall 2025 - 5K Run
Cornwall, Ontario
June 22, 2025
9:30AM
Run for Cornwall 2025
5km
June 2025
⏳ 7d to go
Under 5K
Trail
FitFarm Strathroy 2025 - Toddler 200 m Race
Strathroy, Ontario
June 22, 2025
10:00AM
FitFarm Little Loop Ultra 2025
200 m
June 2025
⏳ 7d to go
Ultra Marathon
Trail
FitFarm Strathroy 2025 - Solo 6HR Ultra
Strathroy, Ontario
June 22, 2025
8:00AM
FitFarm Little Loop Ultra 2025
6 hours
June 2025
⏳ 7d to go
5k
Road
Tony's Run for the Ark 2025 - 5km Run
Springbank Gardens Community Centre, London, Ontario
June 22, 2025
9:30AM
Tony's Run for the Ark 2025
5km
June 2025
⏳ 7d to go
Fun Runs & Family Runs
Road
Run for Cornwall 2025 - 1K Family Fun Walk
Cornwall, Ontario
June 22, 2025
9:45AM
Run for Cornwall 2025
1km
June 2025
⏳ 7d to go
Under 5K
Road
Shoppers Drug Mart Run For Women Whitby 2025 - 1K Little Steps presented by Huggies
Whitby, Ontario
June 22, 2025
8:30AM
Shoppers Drug Mart® Run for Women - Whitby 2025
1km
June 2025
⏳ 7d to go
10k
Road
Shoppers Drug Mart Run For Women Whitby 2025 - 10K Run
Whitby, Ontario
June 22, 2025
9:15AM
Shoppers Drug Mart® Run for Women - Whitby 2025
10km
June 2025
⏳ 7d to go
5k
Road
Shoppers Drug Mart Run For Women Whitby 2025 - 5K Walk/Run
Whitby, Ontario
June 22, 2025
9:30AM
Shoppers Drug Mart® Run for Women - Whitby 2025
5km
June 2025
⏳ 9d to go
10k
Niagara Running Series 2025 - 10K
Grimsby, Ontario
June 24, 2025
Jerry's Peachbud 10K/5K/1K 2025
10k
June 2025
⏳ 9d to go
5k
Niagara Running Series 2025 - 5K
Grimsby, Ontario
June 24, 2025
Jerry's Peachbud 10K/5K/1K 2025
5k
June 2025
⏳ 9d to go
Kids Races
Niagara Running Series 2025 - Peach Pal Kids 1K
Grimsby, Ontario
June 24, 2025
Jerry's Peachbud 10K/5K/1K 2025
Under 5K
June 2025
⏳ 12d to go
Trail
Trail
Utopia Backyard Ultra 2025 - 6-Hour
Utopia, Ontario
June 27, 2025
7:00 PM
Utopia Backyard Ultra 2025
6.7056km/loop, 6 hours
June 2025
⏳ 12d to go
Trail
Trail
Utopia Backyard Ultra 2025 - 12-Hour
Utopia, Ontario
June 27, 2025
7:00 PM
Utopia Backyard Ultra 2025
6.7056km/loop, 12 hours
June 2025
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