Upcoming Running Races in Ontario

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Find the best running races in Ontario! From 5Ks to marathons, explore upcoming races and plan your next challenge.

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View over the River Spree to Nikolaiviertel and Alexanderplatz. The Nikolaiviertel is the reconstructed historical heart of the German capital Berlin. The Nikolaikirche (Saint Nicholas Church) gives its name to the neighbourhood five minutes away from Alexanderplatz. The Alexanderplatz is a large public square and transport hub in the central Mitte district of Berlin, near the Fernsehturm the Rotes Rathaus, the town hall of Berlin.
Ottawa
View over the River Spree to Nikolaiviertel and Alexanderplatz. The Nikolaiviertel is the reconstructed historical heart of the German capital Berlin. The Nikolaikirche (Saint Nicholas Church) gives its name to the neighbourhood five minutes away from Alexanderplatz. The Alexanderplatz is a large public square and transport hub in the central Mitte district of Berlin, near the Fernsehturm the Rotes Rathaus, the town hall of Berlin.
Toronto
View over the River Spree to Nikolaiviertel and Alexanderplatz. The Nikolaiviertel is the reconstructed historical heart of the German capital Berlin. The Nikolaikirche (Saint Nicholas Church) gives its name to the neighbourhood five minutes away from Alexanderplatz. The Alexanderplatz is a large public square and transport hub in the central Mitte district of Berlin, near the Fernsehturm the Rotes Rathaus, the town hall of Berlin.
Kingston
View over the River Spree to Nikolaiviertel and Alexanderplatz. The Nikolaiviertel is the reconstructed historical heart of the German capital Berlin. The Nikolaikirche (Saint Nicholas Church) gives its name to the neighbourhood five minutes away from Alexanderplatz. The Alexanderplatz is a large public square and transport hub in the central Mitte district of Berlin, near the Fernsehturm the Rotes Rathaus, the town hall of Berlin.
Sudbury
View over the River Spree to Nikolaiviertel and Alexanderplatz. The Nikolaiviertel is the reconstructed historical heart of the German capital Berlin. The Nikolaikirche (Saint Nicholas Church) gives its name to the neighbourhood five minutes away from Alexanderplatz. The Alexanderplatz is a large public square and transport hub in the central Mitte district of Berlin, near the Fernsehturm the Rotes Rathaus, the town hall of Berlin.
Stittsville
View over the River Spree to Nikolaiviertel and Alexanderplatz. The Nikolaiviertel is the reconstructed historical heart of the German capital Berlin. The Nikolaikirche (Saint Nicholas Church) gives its name to the neighbourhood five minutes away from Alexanderplatz. The Alexanderplatz is a large public square and transport hub in the central Mitte district of Berlin, near the Fernsehturm the Rotes Rathaus, the town hall of Berlin.
Niagara-on-the-Lake
View over the River Spree to Nikolaiviertel and Alexanderplatz. The Nikolaiviertel is the reconstructed historical heart of the German capital Berlin. The Nikolaikirche (Saint Nicholas Church) gives its name to the neighbourhood five minutes away from Alexanderplatz. The Alexanderplatz is a large public square and transport hub in the central Mitte district of Berlin, near the Fernsehturm the Rotes Rathaus, the town hall of Berlin.
Mississauga
View over the River Spree to Nikolaiviertel and Alexanderplatz. The Nikolaiviertel is the reconstructed historical heart of the German capital Berlin. The Nikolaikirche (Saint Nicholas Church) gives its name to the neighbourhood five minutes away from Alexanderplatz. The Alexanderplatz is a large public square and transport hub in the central Mitte district of Berlin, near the Fernsehturm the Rotes Rathaus, the town hall of Berlin.
London
View over the River Spree to Nikolaiviertel and Alexanderplatz. The Nikolaiviertel is the reconstructed historical heart of the German capital Berlin. The Nikolaikirche (Saint Nicholas Church) gives its name to the neighbourhood five minutes away from Alexanderplatz. The Alexanderplatz is a large public square and transport hub in the central Mitte district of Berlin, near the Fernsehturm the Rotes Rathaus, the town hall of Berlin.
Hamilton
View over the River Spree to Nikolaiviertel and Alexanderplatz. The Nikolaiviertel is the reconstructed historical heart of the German capital Berlin. The Nikolaikirche (Saint Nicholas Church) gives its name to the neighbourhood five minutes away from Alexanderplatz. The Alexanderplatz is a large public square and transport hub in the central Mitte district of Berlin, near the Fernsehturm the Rotes Rathaus, the town hall of Berlin.
Cornwall
View over the River Spree to Nikolaiviertel and Alexanderplatz. The Nikolaiviertel is the reconstructed historical heart of the German capital Berlin. The Nikolaikirche (Saint Nicholas Church) gives its name to the neighbourhood five minutes away from Alexanderplatz. The Alexanderplatz is a large public square and transport hub in the central Mitte district of Berlin, near the Fernsehturm the Rotes Rathaus, the town hall of Berlin.
Barrie
View over the River Spree to Nikolaiviertel and Alexanderplatz. The Nikolaiviertel is the reconstructed historical heart of the German capital Berlin. The Nikolaikirche (Saint Nicholas Church) gives its name to the neighbourhood five minutes away from Alexanderplatz. The Alexanderplatz is a large public square and transport hub in the central Mitte district of Berlin, near the Fernsehturm the Rotes Rathaus, the town hall of Berlin.
Baden
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Upcoming Running Races in Ontario
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St Lawrence Marathon - Marathon

Cornwall, Ontario
April 26, 2025
7:00 AM
St Lawrence Marathon 2025
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St Lawrence Marathon - Half Marathon

Cornwall, Ontario
April 26, 2025
9:00 AM
St Lawrence Marathon 2025
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St Lawrence Marathon Series - 10K

Cornwall, Ontario
April 26, 2025
10:05 AM
St Lawrence Marathon 2025
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St Lawrence Marathon - 5 km

Cornwall, Ontario
April 26, 2025
10:00 AM
St Lawrence Marathon 2025
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Tom Compton Memorial Run (2K) for kids

Kingston, Ontario
April 26, 2025
4:00 PM
Kingston Limestone Race Weekend 2025
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Kingston Limestone Race Weekend - 10K

Kingston, Ontario
April 26, 2025
5:00 PM
Kingston Limestone Race Weekend 2025
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Beneva Mississauga Marathon

Mississauga, Ontario
April 27, 2025
7:30 AM
Mississauga Marathon 2025
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Mississauga Marathon - Marathon Relay Challenge

Mississauga, Ontario
April 27, 2025
7:30 AM
Mississauga Marathon 2025
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Beneva Mississauga Marathon - Half Marathon

Mississauga, Ontario
April 27, 2025
7:30 AM
Mississauga Marathon 2025
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Novo Nordisk 'Hazel' 5K

Mississauga, Ontario
April 27, 2025
10:00 AM
Mississauga Marathon 2025
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Beneva Mississauga Marathon - 10K

Mississauga, Ontario
April 27, 2025
9:30 AM
Mississauga Marathon 2025
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Limestone Race Weekend - Historic Half Marathon

Kingston, Ontario
April 27, 2025
9:30 AM
Kingston Limestone Race Weekend 2025
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Limestone Race Weekend - 5K

Kingston, Ontario
April 27, 2025
10:00 AM
Kingston Limestone Race Weekend 2025
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Toronto Half Marathon

Toronto, Ontario
May 4, 2025
8:00 AM
Toronto Marathon 2025
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Toronto 5k

Toronto, Ontario
May 4, 2025
7:50 AM
Toronto Marathon 2025
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Toronto Marathon

Toronto, Ontario
May 4, 2025
7:30 AM
Toronto Marathon 2025
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Sporting Life 10K

Toronto, Ontario
May 11, 2025
7:30 AM
Sporting Life 10K 2025
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Ottawa 10K presented by Otto's Ottawa

Ottawa, Ontario
May 24, 2025
6:30 PM
Tamarack Ottawa Race Weekend 2025
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Ottawa 5K

Ottawa, Ontario
May 24, 2025
4:00 PM
Tamarack Ottawa Race Weekend 2025
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Tamarack Ottawa Race Weekend - 2K

Ottawa, Ontario
May 24, 2025
3:00 PM
Tamarack Ottawa Race Weekend 2025
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Ottawa Kids Marathon

Ottawa, Ontario
May 24, 2025
2:00 PM
Tamarack Ottawa Race Weekend 2025
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Mixed (Road and Trail)

Baden Running Races - Neil Dunford Memorial 5k

Baden, Ontario
May 25, 2025
9:00 AM
Baden Running Races 2025
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SudburyROCKS!!! Marathon Walk

Sudbury, Ontario
May 25, 2025
6:00 AM
SudburyROCKS!!! Marathon 2025
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The Perdue Family Lise's 10K Run/Walk

Sudbury, Ontario
May 25, 2025
8:35 AM
SudburyROCKS!!! Marathon 2025
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Baden Running Races 2025 - 200m Kids Fun Run

Baden, Ontario
May 25, 2025
9:55 AM
Baden Running Races 2025
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Steve's Half Marathon Run/Walk

Sudbury, Ontario
May 25, 2025
7:55 AM
SudburyROCKS!!! Marathon 2025
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Mixed (Road and Trail)

Baden Running Races 2025 - 2.5 Km Run / Walk

Baden, Ontario
May 25, 2025
10:00 AM
Baden Running Races 2025
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Mixed (Road and Trail)

Baden Back-2-Back

Baden, Ontario
May 25, 2025
9:00 AM
Baden Running Races 2025
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Road

SudburyROCKS 5K Run/Walk

Sudbury, Ontario
May 25, 2025
9:00 AM
SudburyROCKS!!! Marathon 2025
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SudburyROCKS!!! Marathon

Sudbury, Ontario
May 25, 2025
7:55 AM
SudburyROCKS!!! Marathon 2025
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Tartan Ottawa International Marathon

Ottawa, Ontario
May 25, 2025
7:00 AM
Tamarack Ottawa Race Weekend 2025
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Ottawa Half Marathon presented by Desjardins

Ottawa, Ontario
May 25, 2025
9:00 AM
Tamarack Ottawa Race Weekend 2025
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Road

Honda Waterfront Run Barrie - Half Marathon

Barrie, Ontario
June 1, 2025
8:00 AM
Honda Waterfront Half Marathon 2025
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Road

M&T Printing Group 5K

London, Ontario
June 8, 2025
8:20 AM
London Life Forest City Road Races 2025
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Forest City Road Races - Kids Run

London, Ontario
June 8, 2025
11:30 AM
London Life Forest City Road Races 2025
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ASICS RunKeeper Half-Marathon

London, Ontario
June 8, 2025
8:00 AM
London Life Forest City Road Races 2025
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BackRoads Brews + Shoes 10K

London, Ontario
June 8, 2025
10:00 AM
London Life Forest City Road Races 2025
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Road

Niagara Ultra 10K

Niagara-on-the-Lake, Ontario
June 21, 2025
8:30 AM
Niagara Ultra 2025
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Niagara Ultra Marathon

Niagara-on-the-Lake, Ontario
June 21, 2025
7:00 AM
Niagara Ultra 2025
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Niagara Ultra 2025 Half Marathon

Niagara-on-the-Lake, Ontario
June 21, 2025
8:00 AM
Niagara Ultra 2025
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Niagara Ultra 2025 - 50K

Niagara-on-the-Lake, Ontario
June 21, 2025
6:00 AM
Niagara Ultra 2025
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Canada Army Run - Commander's Challenge 5 km and Half Marathon

Ottawa, Ontario
September 21, 2025
8:00 AM
Canada Army Run 2025
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Canada Army Run - 10K (In-Person)

Ottawa, Ontario
September 21, 2025
8:45 AM
Canada Army Run 2025
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Canada Army Run - Half Marathon

Ottawa, Ontario
September 21, 2025
9:30 AM
Canada Army Run 2025
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Canada Army Run 2025 / Course de l'Armée du Canada 2025

Ottawa, Ontario
September 21, 2025
10:00 AM
Canada Army Run 2025
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Wedding Dress Dash

Ottawa, Ontario
October 12, 2025
8:45 AM
Ottawa Fall Colours 2025
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Ottawa Fall Colours - 5 km

Ottawa, Ontario
October 12, 2025
10:15 AM
Ottawa Fall Colours 2025
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Ottawa Fall Colours - 3K

Ottawa, Ontario
October 12, 2025
9:50 AM
Ottawa Fall Colours 2025
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Ottawa Fall Colours Half Marathon

Ottawa, Ontario
October 12, 2025
09:00 AM
Ottawa Fall Colours 2025
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Ottawa Fall Colours Marathon

Ottawa, Ontario
October 12, 2025
09:00 AM
Ottawa Fall Colours 2025
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Ottawa Fall Colours 10K

Ottawa, Ontario
October 12, 2025
10:00 AM
Ottawa Fall Colours 2025
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1K Turkey Trot

Ottawa, Ontario
October 12, 2025
08:30 AM
Ottawa Fall Colours 2025
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9runrun - Family 2K

Stittsville, Ontario
October 18, 2025
10:30 AM
9runrun 2025
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9runrun - 5 km

Stittsville, Ontario
October 18, 2025
8:00 AM
9runrun 2025
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9runrun - 15K

Stittsville, Ontario
October 18, 2025
8:00 AM
9runrun 2025
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9runrun - 10K

Stittsville, Ontario
October 18, 2025
9:00 AM
9runrun 2025
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TCS Toronto Waterfront Marathon 5K

Toronto, Ontario
October 18, 2025
9:00 AM
TCS Toronto Waterfront Marathon 2025
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TCS Toronto Waterfront Marathon - Half Marathon

Toronto, Ontario
October 19, 2025
8:00 AM
TCS Toronto Waterfront Marathon 2025
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TCS Toronto Waterfront Marathon

Toronto, Ontario
October 19, 2025
8:00 AM
TCS Toronto Waterfront Marathon 2025
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Hamilton Marathon Road2Hope 5K

Hamilton, Ontario
November 1, 2025
10:00 AM
Hamilton Marathon Road2Hope 2025
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Hamilton Marathon Road2Hope - 10K Family Walk/Run

Hamilton, Ontario
November 1, 2025
11:15 AM
Hamilton Marathon Road2Hope 2025
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Hamilton Marathon Road2Hope - Marathon

Hamilton, Ontario
November 2, 2025
8:00 AM
Hamilton Marathon Road2Hope 2025
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Hamilton Marathon Road2Hope - Half Marathon

Hamilton, Ontario
November 2, 2025
8:00 AM
Hamilton Marathon Road2Hope 2025
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