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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📅 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 (e.g. 8K, 15K, 30K, 10 Mile)
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
📅 18w 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
📅 18w to go
10k
Road
Halloween Haunting 2025 - 10k Run
London, Ontario
October 26, 2025
10:00AM
Halloween Haunting 2025
10km
October 2025
📅 18w 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
📅 18w 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
📅 18w 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
📅 18w 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
📅 18w 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
📅 18w 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
📅 18w to go
5k
Road
Halloween Haunting 2025 - 5k Run
London, Ontario
October 26, 2025
10:00AM
Halloween Haunting 2025
5km
October 2025
📅 18w 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
📅 18w to go
Under 5K
Road
Halloween Haunting 2025 - Kiddy Trot
London, Ontario
October 26, 2025
11:15AM
Halloween Haunting 2025
300m
October 2025
📅 18w 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
📅 18w 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
📅 18w 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
📅 18w 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 (e.g. 8K, 15K, 30K, 10 Mile)
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 (e.g. 8K, 15K, 30K, 10 Mile)
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 (e.g. 8K, 15K, 30K, 10 Mile)
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 (e.g. 8K, 15K, 30K, 10 Mile)
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 (e.g. 8K, 15K, 30K, 10 Mile)
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 (e.g. 8K, 15K, 30K, 10 Mile)
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 (e.g. 8K, 15K, 30K, 10 Mile)
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 (e.g. 8K, 15K, 30K, 10 Mile)
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
📅 23w 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
📅 23w 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
📅 23w 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
📅 23w 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
📅 24w to go
5k
Road
Santa Shuffle 2025 - 5km Fun Run
Greater Sudbury, Ontario
December 6, 2025
10:00AM
Santa Shuffle Fun Run & Elf Walk 2025 - Sudbury
5km
December 2025
📅 24w to go
5k
Road
Santa Shuffle 2025 - 5K Fun Run
London, Ontario
December 6, 2025
10:00AM
Santa Shuffle Fun Run & Elf Walk 2025 - London
5km
December 2025
📅 24w to go
5k
Road
Santa Shuffle 2025 - Group of 10 - 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
Santa Shuffle 2025 - 1K Elf Walk
London, Ontario
December 6, 2025
10:00AM
Santa Shuffle Fun Run & Elf Walk 2025 - London
1km
December 2025
📅 24w to go
Under 5K
Road
Santa Shuffle 2025 - 1K Elf Walk
Barrie, Ontario
December 6, 2025
10:00AM
Santa Shuffle Fun Run & Elf Walk 2025 - Barrie
1km
December 2025
📅 27w to go
Other Distances (e.g. 8K, 15K, 30K, 10 Mile)
Road
Boxing Day Run 2025 - 10 Mile Run
Hamilton, Ontario
December 26, 2025
12:00PM
Boxing Day Run 2025
10 miles
December 2025
📅 27w to go
Other Distances (e.g. 8K, 15K, 30K, 10 Mile)
Road
Boxing Day Run 2025 - 4 Mile Run/Walk
Hamilton, Ontario
December 26, 2025
12:00PM
Boxing Day Run 2025
4 miles
December 2025
📅 28w to go
5k
Virtual
Run to End Child Hunger 2025 - 5K
Toronto, Ontario
December 31, 2025
Flexible
Run to End Child Hunger 2025
5K
December 2025
📅 28w to go
Marathon
Virtual
Run to End Child Hunger 2025 - Marathon
Toronto, Ontario
December 31, 2025
Flexible
Run to End Child Hunger 2025
42.2K
December 2025
📅 28w to go
10k
Virtual
Run to End Child Hunger 2025 - 10K
Toronto, Ontario
December 31, 2025
Flexible
Run to End Child Hunger 2025
10K
December 2025
📅 28w to go
Half Marathon
Virtual
Run to End Child Hunger 2025 - Half Marathon
Toronto, Ontario
December 31, 2025
Flexible
Run to End Child Hunger 2025
21.1K
December 2025
📅 28w to go
Under 5K
Virtual
Run to End Child Hunger 2025 - 1 Mile
Toronto, Ontario
December 31, 2025
Flexible
Run to End Child Hunger 2025
1 Mile
December 2025
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