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Races
Races
Tamarack Homes Ottawa International Marathon
Ottawa Half Marathon presented by Desjardins
Ottawa 10K presented by Otto’s Ottawa
Ottawa 5K
Ottawa 2K
Ottawa Kids Marathon
Challenges
The Ottawa 59.2 km Challenge
The Ottawa 36.1 km Challenge
The Ottawa 17 km Challenge
Information
Runners and Walkers
Tamarack Ottawa Race Weekend Participant Guide
Tamarack Ottawa Race Weekend Information Page
Adaptive Athlete Program
Road Closures
Getting around the city during Tamarack Ottawa Race Weekend
Start Line Information
Baggage Check
Pace Team
Medical Services and Safety
Past race results and photos
Green Initiatives
Elite Athletes
Elite Athlete Information
Charity Challenge
Charity Challenge
About the Desjardins Charity Challenge
Join the Desjardins Charity Challenge
Donate to a charity, team, or individual
For Fundraisers
For Charities
Fundraising guide
Expo
Plan Your Weekend
Plan Your Weekend
Festival Plaza & Beyond the Pale Beer Garden
Tamarack Ottawa Race Weekend Recovery Zone presented by Farm Boy
Official Tamarack Ottawa Race Weekend Shakeout Run
Viewing areas and cheer stations
Tamarack Ottawa Race Weekend After Party
Visitor Information
Accommodations
Experience
Experience
Tamarack Ottawa Race Weekend Livestream
Xtra Mile Crew
Meet the 2026 Otto’s Ottawa Power Crew!
Runna: Official Training App
Download the Tamarack Ottawa Race Weekend App!
Media
Media
News
Blog
Media Centre
News conferences and media schedule
Tamarack Ottawa Race Weekend Facts and Figures
Accreditation
Tamarack Ottawa Race Weekend 2026 Livestream
Volunteer
Sponsors
Run Ottawa Events
Races
Tamarack Homes Ottawa International Marathon
Ottawa Half Marathon presented by Desjardins
Ottawa 10K presented by Otto’s Ottawa
Ottawa 5K
Ottawa 2K
Ottawa Kids Marathon
Challenges
The Ottawa 59.2 km Challenge
The Ottawa 36.1 km Challenge
The Ottawa 17 km Challenge
Runners and Walkers
Tamarack Ottawa Race Weekend Participant Guide
Tamarack Ottawa Race Weekend Information Page
Adaptive Athlete Program
Road Closures
Getting around the city during Tamarack Ottawa Race Weekend
Start Line Information
Baggage Check
Pace Team
Medical Services and Safety
Past race results and photos
Green Initiatives
Elite Athletes
Elite Athlete Information
Charity Challenge
About the Desjardins Charity Challenge
Join the Desjardins Charity Challenge
Donate to a charity, team, or individual
For Fundraisers
For Charities
Fundraising guide
Expo
Plan Your Weekend
Festival Plaza & Beyond the Pale Beer Garden
Tamarack Ottawa Race Weekend Recovery Zone presented by Farm Boy
Official Tamarack Ottawa Race Weekend Shakeout Run
Viewing areas and cheer stations
Tamarack Ottawa Race Weekend After Party
Visitor Information
Accommodations
Experience
Tamarack Ottawa Race Weekend Livestream
Xtra Mile Crew
Meet the 2026 Otto’s Ottawa Power Crew!
Runna: Official Training App
Download the Tamarack Ottawa Race Weekend App!
Media
News
Blog
Media Centre
News conferences and media schedule
Tamarack Ottawa Race Weekend Facts and Figures
Accreditation
Tamarack Ottawa Race Weekend 2026 Livestream
Sponsors
Volunteer
Shop
Run Ottawa Events
FR
Tamarack Ottawa Race Weekend Participant Guide
Tamarack Ottawa Race Weekend Participant Guide
Download your 2026 Tamarack Ottawa Race Weekend Participant Guide!
Races
[Column]
Races
[Row]
Tartan Ottawa International Marathon
Ottawa Half Marathon presented by Desjardins
Ottawa 10K presented by Otto’s Ottawa
[Row]
Ottawa 5K presented by ASICS Runkeeper
Ottawa 2K presented by ASICS Runkeeper
Ottawa Kids Marathon presented by Maverick’s Donuts
[Column]
Challenges
[Row]
The Ottawa 59.2 km Challenge
[Row]
The Ottawa 36.1 km Challenge
[Row]
The Ottawa 17 km Challenge
[Column]
Information
[Column]
RUNNERS AND WALKERS
Race Schedule
Tamarack Ottawa Race Weekend Information Page
Adaptive Athlete Program
Ottawa Kids Marathon School Program
Pace Team
Live Results and Runner Tracking
Medical Services and Safety
Past race results and photos
[Column]
Elite Athletes
Elite Athlete Information
Athletic Standards
Elite Athlete Policy & Guidelines
Tamarack Ottawa Race Weekend Prize Purse
Charity Challenge
[Column]
The Desjardins Charity Challenge
2024 Charities
Join the Charity Challenge
Become an Official Charity
Fundraising guide
Plan Your Weekend
[Column]
Plan Your Weekend
Road Closures
Visitor Information
Festival Plaza & Beyond the Pale Beer Garden
About Ottawa
Experience
[Column]
50th Anniversary Nominations
Trillium Running Podcast – Celebrating 50 Years of Running at Tamarack Ottawa Race Weekend
Train for Tamarack Ottawa Race Weekend with ASICS Runkeeper Go™
Download the Tamarack Ottawa Race Weekend App!
Meet the 2024 Otto’s Ottawa Power Crew!
Xtra Mile Crew
Green Initiatives
[Column]
Spotify Playists
‘Speedwork’ Videos
Media
[Column]
News
[Column]
Blog
[Column]
Media
Tamarack Ottawa Race Weekend 2026 Livestream
Media Centre
News conferences and media schedule
Latest News
Tamarack Ottawa Race Weekend Facts and Figures
Accreditation
Sponsors
Volunteer
Expo
Run Ottawa Events
FR
