The Ottawa 17 km Challenge

Registration for Tamarack Ottawa Race Weekend 2026 is open!

Ready to try more? The Ottawa 17 km Challenge includes running the three shortest distances in a single day: the Ottawa 2K, the Ottawa 5K and the Ottawa 10K presented by Otto’s Ottawa. This is a great way to work yourself up to some of the bigger challenges.

Included with your registration:

  • A medal for each of the three races PLUS a one-of-a-kind Challenge finisher medal!
  • Souvenir Challenger shirt race shirt 
  • Xact Nutrition and hydration on course
  • Professional race timing
  • Recovery food
  • Two weeks FREE access to #1 rated personalized running coaching app, Runna!
  • An unparalleled experience!

Optional add-ons:

  • iTab Commemorative Ribbon Hanger
  • Photography and videography packages from Marathon Photos Live
  • Subscription to iRun Digital Magazine
  • An opportunity to give back to your community by fundraising for a charity!

 

Current event pricing:

$213.75 CAD (includes applicable fees) + hst

    • For ages 15+ 
    • The Green Bib option is now available on the General registration form.
    • Please note: strollers are not allowed on course

 

SAVE WITH A RUN OTTAWA MEMBERSHIP:

You can now buy an RO membership seamlessly in-registration when signing up for a Run Ottawa event! As a member, you’ll enjoy exclusive benefits like 10% off the Ottawa 17 km Challenge and all other Run Ottawa events! Individual, dual, youth and family options now available! Find out more!

GREEN BIB:

Run Ottawa is offering a Green Bib option at registration for those wishing to reduce their environmental footprint. In lieu of a medal or any mailed amenities, you can choose to divert part of your registration fee to the Green Bib fund which supports the Desjardins Charity Challenge.

COURSE FEATURES:

  • Kilometre markers along the all routes.
  • Water stations.
  • Cooling and misting stations available on-course.
  • Portable toilets at every water station.
  • Cheering and entertainment stations.
  • Full medical services on the route and at the finish line.

Find an interactive map for Saturday here.

ADAPTIVE ATHLETE INFORMATION:

Coming soon.

I’m already registered for one of these events, how do I upgrade to a challenge?

To transfer to a challenge bundle:

  • Click “Edit your booking” in your confirmation email, or go to the event page in your Let’s Do This account.
  • Select “Manage” next to your entry.
  • Choose “Transfer your entry.”
  • A $5.00 transfer fee will be added to the transfer transaction.

If you can’t find your confirmation email in your inbox, spam, or promotions folder, please fill out this form to have it resent.

For answers to your Frequently Asked Questions (FAQ) please visit the Registration Information page.