Tamarack Ottawa Race Weekend

27-28 May 2023 (Sat - Sun)


Ultra marathon - 59.20km, Marathon, 36.10km, Half marathon, 17km, 10 km, 5 km, 2km

Tamarack Ottawa Race Weekend

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Join Tamarack Ottawa Race Weekend 2023

The Tamarack Ottawa Race Weekend is the most popular running event in Canada. It includes the Scotiabank Ottawa Marathon which is the largest marathon in Canada. Several other races are held during the Tamarack Race Weekend with the Ottawa Half Marathon and the Ottawa 10K being the most popular. If you are looking for a spring race that has a fast course and attracts thousands of spectators who create an amazing atmosphere you should definitely run in Ottawa. The city is beautiful at this time of the year and the course of the Ottawa Marathon showcases some of the most iconic landmarks.

Description by organiser keyboard_arrow_down

The Tamarack Ottawa Race Weekend is the biggest multi-distance race event in Canada and has the largest marathon in Canada. The Tamarack Ottawa Race Weekend hosts a  World Athletics  Gold label event: the Tamarack Ottawa Marathon.

Featuring the beautiful scenery of Canada’s capital, the top-notch organization of a World Athletics event, the atmosphere of hundreds of thousands of spectators, and a fast course perfect both for personal bests and first-timers, this is a world-class marathon that must be experienced.

The Tamarack Ottawa Marathon is also one of Canada’s largest Boston Qualifiers.The marathon route begins and ends at Ottawa City Hall.

Course details

Course profile
Other tags
IAAF Gold Label
Course highlights
The marathon features a fast, scenic route with few elevation changes and travels through some of Ottawa's most vibrant neighbourhoods and popular landmarks.It is a unique course in that it travels through two Canadian provinces.
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Start address: Ottawa City Hall, Ottawa, ON, Canada

Finish address: Ottawa City Hall, Ottawa, ON, Canada

Route map

Tamarack Ottawa Race Weekend Route Map


Registration closes on 21 May (56 days left)

Ottawa 2K

2.00 Km

More information

27 EUR

Ottawa 5K

5.00 Km

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40 EUR

Ottawa 10K

10.00 Km

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54 EUR

Ottawa ½ Marathon

21.10 Km

More information

67 EUR

Tartan Ottawa Marathon

42.20 Km

More information

84 EUR

17K Challenge

17.00 Km

More information

134 EUR

36.1K Challenge

36.10 Km

More information

178 EUR

59.2K Challenge

59.20 Km

More information

225 EUR

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You can, within 24 hours after your registration, get a full refund if you change your mind.

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What’s included

These are included in your entry
  • done Finisher medal

  • done Drink Stations info

  • done Nutrition Stations info

  • done Medical Assistance info

  • done Toilets info

  • done Personalized race bib info

  • done Free upgrade of Runkeeper info

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Frequently asked questions

When and where can I collect my BIB/race pack?


Race Kit Pick Up is at the Shaw Convention Centre

Can someone collect my race pack for me?


Yes though they should have a copy of the registration confirmation

How do I get to the race location?


OC Transpo website has a route planner on their website if you want to use public transit. Taxis and ride services can drop off within a block of the start lines

Can I change the distance after I purchase a ticket?


Yes. A nominal charge will apply for moving to a less expensive race. The fee plus the difference in price will be charged for moving to a more expensive distance

What is the cancelation/refund policy for this event?


No-refund policy

Can I push a stroller? Can I use a backpack child carrier?


With the exception of the Ottawa 2K, baby joggers and strollers are not permitted. Backpack child carriers are not permitted on any Tamarack Ottawa Race Weekend courses.

Do any of the Tamarack Ottawa Race Weekend distances have time limits on them?


Marathon participants are expected to be able to reach the 26km marker by 11:30 am, after which point they may be redirected to the finish line. Marathon participants are expected to be able to finish within 7 hours. Half marathon participants are expected to be able to complete the event within 4 hours.

Can I run with headphones?


While the use of headphones is permitted on the course, they are not recommended.

Tamarack Ottawa Race Weekend

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schedule 24h ticket cancellation

local_activity Deals & Discounts

verified_user Refundable Booking

The race information has been found on the official website of the event or through publicly available sources. Always refer to the official website the latest race information. Please let us know if any data is wrong or missing, by emailing us.