Registration Information


Already registered for an event at the 2020 Tamarack Ottawa Race Weekend? Login into your dashboard on Race Roster to verify registration.


When you register you will be asked to choose your t-shirt size. Our race shirts are made by Race Merchandise. Click here to find the shirt sizing details for the adult and youth t-shirts.


Entry fees are non-refundable under all circumstances. That means that once we receive and accept your entry, you will not receive a refund for any reason and you will not be able to defer your entry for another year. The Marathon, in accordance with management executives, city officials and local law enforcement has the authority to cancel any of the events for emergency purposes such as, but not limited to, inclement weather or threat of terrorism. If such emergency conditions force cancellation, refunds cannot be provided since funds will have been spent in preparation for Race Day.

Any questions or concerns please contact


Any changes/corrections must be completed on-line by the registrant. The fee to change to a different race is 25$. This applies even if changing to a shorter distance. Changing to an event that is already sold out is not permitted. The last date for a registrant to make corrections to their entry is MAY 5, 2020 at 11:59 p.m. If you have any questions please contact **** INSTRUCTIONS ON HOW TO TRANSFER DISTANCES IN RACE ROSTER:


A transfer is to be used if you can no longer run and you wish to transfer your entry to another person you have found who wants to take your entry. Transfers can be completed up until APRIL 15, 2020 at 11:59 p.m. A transfer can be completed by opening the registration page, logging into your account and clicking the black TRANSFER button on the right hand side. Here you will need to enter your email and the email of the person you are transferring to and then press continue. The person who is accepting the transfer must press accept, and pay the $25 transfer fee. Once this has been done, they will be able enter their information as the new participant.  Once this is complete and submitted the original participant is deleted from the database and the new participant is now entered into database. ****INSTRUCTIONS ON HOW TO TRANSFER IN RACE ROSTER:

For further information contact


The medals received from Ottawa Race Weekend will be designed to allow you to Personalize your individual medal. A small plate engraved with your name and finish time (finish time only for the kids marathon) that fits neatly into the back of your medal will be a reminder of your commitment and achievement. Your personalized plate will be mailed directly to you within one month of the race weekend. For further information please email


Walkers are welcome in all events. All walkers start their race in the last corral behind the runners.

For those planning to walk any race, register for your event. When asked to select expected finish time – select the one that includes walkers. Those planning to do a combination of walking and running should not select walking. Walkers should note the following time limits apply: 10k – 2 Hours, 1/2 Marathon – 4 Hours and Marathon – 7 Hours. These times limits will be strictly enforced and people who do not meet the time limits will be asked to move onto the sidewalk.


Please note that service animals are the only animals permitted on course in any race at the Tamarack Ottawa Race Weekend.

In order to have a service animal accompany you on course, we ask that you please follow the procedures below:

  1. Please provide documentation by an accredited assistance animal program or the equivalent.
  2. The service animal must wear an identification harness during the event.
  3. The owner is responsible for cleaning up after their service animal.
  4. Race officials have the right to refuse participation if the service animal poses a safety concern.

Please submit the required documentation at least one week prior to the event by email to


Tamarack Ottawa Race Weekend encourages all out of town participants to book their hotel rooms as early as possible as availability may be limited as you get closer to the Race Weekend. Click here to book your accommodations.