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
📅 17w to go
Other Distances
Road
Fertility Matters 2025 - Virtual FM6K (Nationwide, Race Kit)
Toronto, Ontario
October 18, 2025
Flexible
2025 Fertility Matters 6K
6km
October 2025
📅 17w to go
Half Marathon
Road
TCS Toronto Waterfront Marathon 2025 - Half Marathon
Toronto, Ontario
October 19, 2025
8:00AM
TCS Toronto Waterfront Marathon 2025
21.1km
October 2025
📅 17w to go
Marathon
Road
TCS Toronto Waterfront Marathon 2025 - Marathon
Toronto, Ontario
October 19, 2025
8:00AM
TCS Toronto Waterfront Marathon 2025
42.2km
October 2025
📅 17w to go
Other Distances
Road
Fertility Matters 2025 - In-Person FM6K (Toronto, No Race Kit)
Toronto, Ontario
October 19, 2025
11:45AM
2025 Fertility Matters 6K
6km
October 2025
📅 18w to go
5k
Road
New Tecumseth Memorial Run/Walk 2025 - 5k Run/Walk
New Tecumseth, Ontario
October 19, 2025
10:00AM
New Tecumseth Memorial Run/Walk 2025
5km
October 2025
📅 18w to go
Kids Races
Road
New Tecumseth Memorial Run/Walk 2025 - Kids Fun Run
New Tecumseth, Ontario
October 19, 2025
9:45AM
New Tecumseth Memorial Run/Walk 2025
Kids Fun Run (approx. 1km)
October 2025
📅 17w to go
Other Distances
Road
Fertility Matters 2025 - In-Person FM6K (Toronto, Race Kit)
Toronto, Ontario
October 19, 2025
11:45AM
2025 Fertility Matters 6K
6km
October 2025
📅 17w to go
Other Distances
Road
Fertility Matters 2025 - Children In-Person FM6K (Toronto)
Toronto, Ontario
October 19, 2025
11:45AM
2025 Fertility Matters 6K
6km
October 2025
📅 18w to go
Other Distances
Trail
Race Huron 2025 - The Night Thing 12K
Auburn, Ontario
October 24, 2025
7:00PM
The Night Thing 2025
12K
October 2025
📅 18w to go
Other Distances
Trail
Race Huron 2025 - The Night Thing 7.21K
Auburn, Ontario
October 24, 2025
7:20PM
The Night Thing 2025
7.21K
October 2025
📅 18w to go
Kids Races
Road
Great Big Cookie Run 2025 - Kids 1K
Ottawa, Ontario
October 25, 2025
8:30AM
The Great Big Cookie Run 2025
1km
October 2025
📅 18w to go
5k
Road
Great Big Cookie Run 2025 - 5K
Ottawa, Ontario
October 25, 2025
9:00AM
The Great Big Cookie Run 2025
5km
October 2025
📅 18w to go
Half Marathon
Trail
5 Peaks Cider Run 2025 - Grit Course
Uxbridge, Ontario
October 25, 2025
8:30AM
5 Peaks Trail Running Series: Cider Run 2025
21km
October 2025
📅 18w to go
Kids Races
Trail
5 Peaks Cider Run 2025 - 1K Kids' Free Fun Run
Uxbridge, Ontario
October 25, 2025
8:50AM
5 Peaks Trail Running Series: Cider Run 2025
1km
October 2025
📅 18w to go
Kids Races
Trail
5 Peaks Cider Run 2025 - 3K Kids' Timed
Uxbridge, Ontario
October 25, 2025
9:00AM
5 Peaks Trail Running Series: Cider Run 2025
3km
October 2025
📅 18w to go
Team/Relay
Trail
5 Peaks Cider Run 2025 - Grit Relay
Uxbridge, Ontario
October 25, 2025
8:30AM
5 Peaks Trail Running Series: Cider Run 2025
3 x 7km relay
October 2025
📅 18w to go
Other Distances
Trail
5 Peaks Cider Run 2025 - Sport Course
Uxbridge, Ontario
October 25, 2025
10:00AM
5 Peaks Trail Running Series: Cider Run 2025
7km
October 2025
📅 18w to go
Other Distances
Trail
5 Peaks Cider Run 2025 - Enduro Course
Uxbridge, Ontario
October 25, 2025
9:30AM
5 Peaks Trail Running Series: Cider Run 2025
14km
October 2025
📅 18w to go
Half Marathon
Road
Cornwall Multisport Club Fall Road Race 2025 - Road Race 21.1KM Half Marathon
Cornwall, Ontario
October 25, 2025
8:30AM
Cornwall Multisport Club Fall Road Race 2025
21.1km
October 2025
📅 18w to go
5k
Road
Cornwall Multisport Club Fall Road Race 2025 - Road Race 5KM
Cornwall, Ontario
October 25, 2025
9:30AM
Cornwall Multisport Club Fall Road Race 2025
5km
October 2025
📅 18w to go
Kids Races
Road
Cornwall Multisport Club Fall Road Race 2025 - Road Race (Kids) 2KM
Cornwall, Ontario
October 25, 2025
9:00AM
Cornwall Multisport Club Fall Road Race 2025
2km
October 2025
📅 18w to go
Kids Races
Road
Cornwall Multisport Club Fall Road Race 2025 - Road Race (Kids) 1KM
Cornwall, Ontario
October 25, 2025
9:00AM
Cornwall Multisport Club Fall Road Race 2025
1km
October 2025
📅 18w to go
10k
Road
Cornwall Multisport Club Fall Road Race 2025 - Road Race 10KM
Cornwall, Ontario
October 25, 2025
9:30AM
Cornwall Multisport Club Fall Road Race 2025
10km
October 2025
📅 18w to go
10k
Road
Halloween 5 and 10K 2025 - In-Person Terrifying 10KM
Hamilton, Ontario
October 25, 2025
10:00AM
Halloween 5 and 10K 2025
10km
October 2025
📅 18w to go
Under 5K
Road
Halloween 5 and 10K 2025 - In-Person Spooky 1KM
Hamilton, Ontario
October 25, 2025
9:30AM
Halloween 5 and 10K 2025
1km
October 2025
📅 18w to go
5k
Road
Halloween 5 and 10K 2025 - In-Person Frightening 5KM
Hamilton, Ontario
October 25, 2025
10:00AM
Halloween 5 and 10K 2025
5km
October 2025
📅 18w to go
5k
Road
Halloween 5 and 10K 2025 - Virtual Frightening 5KM
Hamilton, Ontario
October 25, 2025
Flexible
Halloween 5 and 10K 2025
5km
October 2025
📅 18w to go
Other Distances
Trail
Race Huron 2025 - The Bad Thing 25K
Auburn, Ontario
October 25, 2025
9:00AM
The Bad Thing 2025
25km
October 2025
📅 18w to go
10k
Road
Halloween 5 and 10K 2025 - Virtual Terrifying 10KM
Hamilton, Ontario
October 25, 2025
Flexible
Halloween 5 and 10K 2025
10km
October 2025
📅 18w to go
5k
Road
Toronto Railway Club Social 2025 - 5k Social Run/Walk
Toronto, Ontario
October 25, 2025
10:00AM
Toronto Railway Club Social 5k 2025
5km
October 2025
📅 18w to go
Ultra Marathon
Trail
Race Huron 2025 - The Bad Thing 50K
Auburn, Ontario
October 25, 2025
7:00AM
The Bad Thing 2025
50km
October 2025
📅 19w to go
5k
Road
Niagara Falls International Marathon 2025 - 5K
Niagara Falls, Ontario
October 26, 2025
12:00PM
Niagara Falls International Marathon 2025
5km
October 2025
📅 19w to go
10k
Road
Halloween Haunting 2025 - 10k Run
London, Ontario
October 26, 2025
10:00AM
Halloween Haunting 2025
10km
October 2025
📅 19w to go
Marathon
Road
Niagara Falls International Marathon 2025 - Marathon
Niagara Falls, Ontario
October 26, 2025
7:15AM
Niagara Falls International Marathon 2025
42.195km
October 2025
📅 19w to go
5k
Road
Haunted Hustle 2025 - 5K Run (Student/Child)
Oakville, Ontario
October 26, 2025
10:00AM
Haunted Hustle 5K / 10K / 1K Run 2025
5km
October 2025
📅 19w to go
10k
Road
Niagara Falls International Marathon 2025 - 10K
Niagara Falls, Ontario
October 26, 2025
8:00AM
Niagara Falls International Marathon 2025
10km
October 2025
📅 19w to go
Under 5K
Road
Halloween Haunting 2025 - 2.3k Fun Run/Walk
London, Ontario
October 26, 2025
9:45AM
Halloween Haunting 2025
2.3km
October 2025
📅 19w to go
5k
Road
Haunted Hustle 2025 - 5K Walk (Adult)
Oakville, Ontario
October 26, 2025
10:00AM
Haunted Hustle 5K / 10K / 1K Run 2025
5km
October 2025
📅 19w to go
10k
Road
Haunted Hustle 2025 - 10K Run (Student/Child)
Oakville, Ontario
October 26, 2025
10:00AM
Haunted Hustle 5K / 10K / 1K Run 2025
10km
October 2025
📅 19w to go
5k
Road
Halloween Haunting 2025 - 5k Run
London, Ontario
October 26, 2025
10:00AM
Halloween Haunting 2025
5km
October 2025
📅 19w to go
5k
Road
Haunted Hustle 2025 - 5K Run (Adult)
Oakville, Ontario
October 26, 2025
10:00AM
Haunted Hustle 5K / 10K / 1K Run 2025
5km
October 2025
📅 19w to go
Under 5K
Road
Halloween Haunting 2025 - Kiddy Trot
London, Ontario
October 26, 2025
11:15AM
Halloween Haunting 2025
300m
October 2025
📅 19w to go
Half Marathon
Road
Niagara Falls International Marathon 2025 - Half Marathon
Niagara Falls, Ontario
October 26, 2025
8:00AM
Niagara Falls International Marathon 2025
21.1km
October 2025
📅 19w to go
10k
Road
Haunted Hustle 2025 - 10K Run (Adult)
Oakville, Ontario
October 26, 2025
10:00AM
Haunted Hustle 5K / 10K / 1K Run 2025
10km
October 2025
📅 19w to go
Kids Races
Road
Niagara Falls International Marathon 2025 - Youth Rate 5K
Niagara Falls, Ontario
October 26, 2025
12:00PM
Niagara Falls International Marathon 2025
5km
October 2025
📅 19w to go
Under 5K
Road
Haunted Hustle 2025 - 1K Fun Run
Oakville, Ontario
October 26, 2025
10:00AM
Haunted Hustle 5K / 10K / 1K Run 2025
1km
October 2025
📅 19w to go
5k
Road
Hamilton Marathon Road2Hope 2025 - 5K Walk/Run
Hamilton, Ontario
November 1, 2025
10:00AM
Hamilton Marathon Road2Hope 2025
5km
November 2025
📅 19w to go
10k
Road
Hamilton Marathon Road2Hope 2025 - 10K Walk/Run
Hamilton, Ontario
November 1, 2025
11:15AM
Hamilton Marathon Road2Hope 2025
10km
November 2025
📅 19w to go
Kids Races
Road
Hamilton Marathon Road2Hope 2025 - 1K Kids Fun Run
Hamilton, Ontario
November 1, 2025
9:00AM
Hamilton Marathon Road2Hope 2025
1km
November 2025
📅 19w to go
Challenges
Road
Hamilton Marathon Road2Hope 2025 - Run the Hammer Challenge
Hamilton, Ontario
November 1, 2025
10:00AM
Hamilton Marathon Road2Hope 2025
3 events (5K, 10K, Half Marathon)
November 2025
📅 19w to go
Challenges
Road
Hamilton Marathon Road2Hope 2025 - Hammer the Hammer Challenge
Hamilton, Ontario
November 1, 2025
10:00AM
Hamilton Marathon Road2Hope 2025
3 events (5K, 10K, Marathon)
November 2025
📅 19w to go
Other Distances
Trail
Happy Trails Racing 2025 - The Beav 25k Early Start
Milton, Ontario
November 1, 2025
8:00AM
The Beav Trail Race 2025
25km
November 2025
📅 19w to go
Ultra Marathon
Trail
Happy Trails Racing 2025 - The Beav 50k
Milton, Ontario
November 1, 2025
8:00AM
The Beav Trail Race 2025
50km
November 2025
📅 19w to go
10k
Trail
Happy Trails Racing 2025 - The Beav 10k
Milton, Ontario
November 1, 2025
9:00AM
The Beav Trail Race 2025
10km
November 2025
📅 19w to go
Other Distances
Trail
Happy Trails Racing 2025 - The Beav 25k Regular Start
Milton, Ontario
November 1, 2025
1:00PM
The Beav Trail Race 2025
25km
November 2025
📅 19w to go
Marathon
Road
Hamilton Marathon Road2Hope 2025 - Full Marathon
Hamilton, Ontario
November 2, 2025
8:00AM
Hamilton Marathon Road2Hope 2025
42.2km
November 2025
📅 19w to go
Half Marathon
Road
Hamilton Marathon Road2Hope 2025 - Half Marathon
Hamilton, Ontario
November 2, 2025
8:00AM
Hamilton Marathon Road2Hope 2025
21.1km
November 2025
📅 20w to go
Under 5K
Road
Casablanca Classic 2025 - Casablanca Classic 3K
Grimsby, Ontario
November 8, 2025
8:30AM
Casablanca Classic 8K and 3K 2025
3km
November 2025
📅 20w to go
Other Distances
Road
Casablanca Classic 2025 - Casablanca Classic 8K
Grimsby, Ontario
November 8, 2025
9:00AM
Casablanca Classic 8K and 3K 2025
8km
November 2025
📅 20w to go
Other Distances
Road
Niagara Running Series 2025 - Casablanca Classic 8K
Stoney Creek, Ontario
November 8, 2025
9:00AM
Casablanca Classic 8K & 3K 2025
8km
November 2025
📅 20w to go
Under 5K
Road, Trail
RememberRun 2025 - Future Runner (Stroller Occupant)
Cambridge, Ontario
November 8, 2025
10:02AM
RememberRun 2025
N/A
November 2025
📅 20w to go
Under 5K
Road, Trail
RememberRun 2025 - 1.1K Fun Run
Cambridge, Ontario
November 8, 2025
10:02AM
RememberRun 2025
1.1km
November 2025
📅 20w to go
5k
Road, Trail
RememberRun 2025 - 5K
Cambridge, Ontario
November 8, 2025
10:02AM
RememberRun 2025
5km
November 2025
📅 20w to go
Under 5K
Road
Niagara Running Series 2025 - Casablanca Classic 3K
Stoney Creek, Ontario
November 8, 2025
8:30AM
Casablanca Classic 8K & 3K 2025
3km
November 2025
Other Distances
Trail
Frost Country 2025 - Adult 6K
November 8, 2025
9:30AM
6km
November 2025
Kids Races
Trail
Frost Country 2025 - Kids 1K
November 8, 2025
9:00AM
1km
November 2025
Kids Races
Trail
Frost Country 2025 - Youth 6K
November 8, 2025
9:30AM
6km
November 2025
Kids Races
Trail
Frost Country 2025 - Youth 2K
November 8, 2025
9:30AM
2km
November 2025
📅 21w to go
Trail
Trail
The Leftovers Mystery Race 2025 - Mystery Distance
Dundas, Ontario
November 15, 2025
The Leftovers Mystery Race 2025
Mystery
November 2025
📅 21w to go
Other Distances
Trail
Happy Trails Racing 2025 - Lost Valley Trail Race 25K
Dundas, Ontario
November 15, 2025
9:30AM
The Lost Valley Trail Race 2025
25 km
November 2025
📅 21w to go
Other Distances
Road
Santa Pur-suit 2025 - 3 KM (Suit)
Kitchener, Ontario
November 15, 2025
9:55AM
Santa Pur-suit 2025
3km
November 2025
📅 21w to go
Under 5K
Road
Santa Pur-suit 2025 - 1 KM (Already Have Suit)
Kitchener, Ontario
November 15, 2025
10:05AM
Santa Pur-suit 2025
1km
November 2025
📅 21w to go
Under 5K
Road
Santa Pur-suit 2025 - 1 KM (Suit)
Kitchener, Ontario
November 15, 2025
10:05AM
Santa Pur-suit 2025
1km
November 2025
📅 21w to go
Kids Races
Road
Santa Pur-suit 2025 - Future Runner (Elf in Stroller)
Kitchener, Ontario
November 15, 2025
Santa Pur-suit 2025
Stroller
November 2025
📅 21w to go
10k
Trail
Happy Trails Racing 2025 - Lost Valley Trail Race 10K
Dundas, Ontario
November 15, 2025
10:30AM
The Lost Valley Trail Race 2025
10 km
November 2025
📅 21w to go
Other Distances
Road
Santa Pur-suit 2025 - 3 KM (Already Have Suit)
Kitchener, Ontario
November 15, 2025
9:55AM
Santa Pur-suit 2025
3km
November 2025
📅 22w to go
5k
Road
Kicking PancreAS 2025 - 5K Run/Walk Individual
London, Ontario
November 22, 2025
4:00PM
Kicking PancreAS™ 5K - London, Ontario 2025
5km
November 2025
📅 22w to go
Kids Races
Road
Kicking PancreAS 2025 - 5K Run/Walk Youth
London, Ontario
November 22, 2025
4:00PM
Kicking PancreAS™ 5K - London, Ontario 2025
5km
November 2025
📅 22w to go
Fun Runs & Family Runs
Road
Kicking PancreAS 2025 - 5K Run/Walk Adult Family
London, Ontario
November 22, 2025
4:00PM
Kicking PancreAS™ 5K - London, Ontario 2025
5km
November 2025
📅 22w to go
Team/Relay
Road
Kicking PancreAS 2025 - 5K Run/Walk Team
London, Ontario
November 22, 2025
4:00PM
Kicking PancreAS™ 5K - London, Ontario 2025
5km
November 2025
📅 23w to go
Under 5K
Trail
The Chill Session 2025 - 1K Wee Chilly
Mulmur, Ontario
November 29, 2025
Chill Session 2025
1km
November 2025
📅 23w to go
10k
Trail
The Chill Session 2025 - 10K Chill
Mulmur, Ontario
November 29, 2025
Chill Session 2025
10km
November 2025
📅 23w to go
5k
Trail
The Chill Session 2025 - 5K Cool
Mulmur, Ontario
November 29, 2025
Chill Session 2025
5km
November 2025
📅 24w to go
Fun Runs & Family Runs
Road
Kicking PancreAS 2025 - 5K Run/Walk - Family Rate
Burlington, Ontario
November 30, 2025
5:00PM
Kicking PancreAS™ 5K 2025
5km
November 2025
📅 24w to go
5k
Road
Kicking PancreAS 2025 - 5K Run/Walk - Individual Rate
Burlington, Ontario
November 30, 2025
5:00PM
Kicking PancreAS™ 5K 2025
5km
November 2025
📅 24w to go
Kids Races
Road
Kicking PancreAS 2025 - 5K Run/Walk - Youth Rate
Burlington, Ontario
November 30, 2025
5:00PM
Kicking PancreAS™ 5K 2025
5km
November 2025
📅 24w to go
Team/Relay
Road
Kicking PancreAS 2025 - 5K Run/Walk - Team Rate
Burlington, Ontario
November 30, 2025
5:00PM
Kicking PancreAS™ 5K 2025
5km
November 2025
📅 24w to go
10k
The Golden Spike Trail Race 2025 - 10K Trail Race
Milton, Ontario
December 6, 2025
The Golden Spike Trail Race 2025
10k
December 2025
📅 24w to go
5k
The Golden Spike Trail Race 2025 - 5K Trail Race
Milton, Ontario
December 6, 2025
The Golden Spike Trail Race 2025
5k
December 2025
📅 24w to go
Half Marathon
The Golden Spike Trail Race 2025 - 21K Trail Race
Milton, Ontario
December 6, 2025
The Golden Spike Trail Race 2025
Half Marathon
December 2025
📅 24w to go
5k
Road
Santa Shuffle 2025 - 5K Fun Run
Toronto, Ontario
December 6, 2025
10:00AM
Santa Shuffle Fun Run & Elf Walk 2025 - Toronto
5km
December 2025
📅 24w to go
Team/Relay
Road
Santa Shuffle 2025 - Family Team of 6 - 5K and Elf Walk
Toronto, Ontario
December 6, 2025
10:00AM
Santa Shuffle Fun Run & Elf Walk 2025 - Toronto
5km & 1km team
December 2025
📅 24w to go
Under 5K
Road
Guelph Santa Parade Run 2025 - Santa Parade Run
Guelph, Ontario
December 6, 2025
4:55PM
Guelph Santa Parade Run 2025
3km
December 2025
📅 24w to go
5k
Road
Santa Shuffle 2025 - 5K Fun Run
Barrie, Ontario
December 6, 2025
10:00AM
Santa Shuffle Fun Run & Elf Walk 2025 - Barrie
5km
December 2025
📅 24w to go
Under 5K
Track
Santa Shuffle 2025 - 1km Elf Walk
Greater Sudbury, Ontario
December 6, 2025
10:00AM
Santa Shuffle Fun Run & Elf Walk 2025 - Sudbury
1km
December 2025
📅 24w to go
5k
Road
Santa Shuffle 2025 - Kemptville 5K Fun Run
Kemptville, Ontario
December 6, 2025
10:00AM
Santa Shuffle Fun Run & Elf Walk 2025 - Kemptville
5K
December 2025
📅 24w to go
Under 5K
Road
Santa Shuffle 2025 - 1K Elf Walk
Toronto, Ontario
December 6, 2025
10:00AM
Santa Shuffle Fun Run & Elf Walk 2025 - Toronto
1km
December 2025
📅 24w to go
Under 5K
Road
Santa Shuffle 2025 - Kemptville 1K Elf Walk
Kemptville, Ontario
December 6, 2025
10:00AM
Santa Shuffle Fun Run & Elf Walk 2025 - Kemptville
1K
December 2025
📅 24w to go
Under 5K
Road
Santa Shuffle 2025 - 1K Elf Walk
Kingston, Ontario
December 6, 2025
10:00AM
Santa Shuffle Fun Run & Elf Walk 2025 - Kingston
1km
December 2025
📅 24w to go
5k
Road
Santa Shuffle 2025 - 5K Fun Run
Kingston, Ontario
December 6, 2025
10:00AM
Santa Shuffle Fun Run & Elf Walk 2025 - Kingston
5km
December 2025
No races found.
There are no results with this criteria. Try changing your search.