07
Jun 2025
Full Race Calendar
14
Jun 2025
Chase the Pace
A collaboration between Mile2Marathon and Run Ottawa Track meets are often geared toward the fastest runners, but Chase the Pace, in support of Big Brothers Big Sisters Ottawa, is all about inclusivity. […]
01
Jul 2025
Otto’s Ottawa Canada Day Road Races
Kick off your July first with excitement and community spirit at Otto’s Ottawa Canada Day Road Races! Join the fun and celebrate together at Earl of March High School, including face painting […]
16
Jul 2025
The 5/15 Farm Run
Get moooooooving! Join the community for an evening of racing and fun on Wednesday, July 16, 2025! 1K Kids Fun Run – Perfect for little feet to get moving and have a […]
30
Jul 2025
Grit & Grind Trail Series, Presented by Arc’teryx: Carlington Hill Edition
Get ready for an epic challenge at Grit & Grind Carlington Hill, taking place on the evening of Wednesday, July 30, 2025. Tackle the 5K course and put your strength to the […]
09
Aug 2025
24
Aug 2025
Grit & Grind Trail Race presented by Arc’teryx: Camp Fortune Edition
Gear up for an intense adventure at the Grit & Grind Trail Race presented by Arc’teryx, taking place at Camp Fortune in Gatineau Park on Sunday, August 24, 2025. Embrace your inner […]
25
Oct 2025
The Great Big Cookie Run
The Great Big Cookie Run is a delightful one-of-a-kind event for runners of all ages and experience levels! Run, walk or roll the 5K or kids 1K and receive your sweet reward […]
08
Nov 2025
Frost Country
Online registration is now closed. Thank you to everyone who has registered! You will be able to register at race kit pick-up (see location/times below). Cost of onsite registration: • Adult 6K […]
16
May 2026
The Ottawa 36.1 km Challenge
Are you a runner who loves to push the limits? The Ottawa 36.1 km Challenge is for you. Ottawa 36.1 km Challenge participants will run three events during Tamarack Ottawa Race Weekend: […]
23
May 2026
Ottawa 10K presented by Otto’s Ottawa
The Ottawa 10K presented by Otto’s Ottawa is flat, fast, and attracts one of the world’s best fields of pro runners as well as thousands of participants from across the National Capital […]
23
May 2026
Ottawa Kids Marathon
The Ottawa Kids Marathon (1.2 km) is an opportunity for children ages 5 to 12 to join in the excitement of Tamarack Ottawa Race Weekend and stay active during the spring months! […]
23
May 2026
Ottawa 2K
From youthful speedsters to families running and walking together, inclusivity and enthusiasm take centre stage at the Ottawa 2K. This is a race to be enjoyed together. And, yes, strollers are allowed! […]
23
May 2026
Ottawa 5K
From the region’s fastest runners competing for bragging rights to teams running and walking together for a charity, this event brings together the entire running spectrum in one blast of performance and […]
23
May 2026
The Ottawa 59.2 km Challenge
Are you a runner who loves to push the limits? This challenge is for you. Challenge participants will run four events during Tamarack Ottawa Race Weekend: the Ottawa 2K, the Ottawa 5K, […]
24
May 2026
Tartan Ottawa International Marathon
Get ready to experience the thrill of the Tartan Ottawa International Marathon, one of Canada’s most celebrated marathons for over 50 years! With breathtaking scenic routes that weave through the nation’s capital, […]
24
May 2026
Ottawa Half Marathon presented by Desjardins
Every year, the Ottawa Half Marathon presented by Desjardins is the weekend’s most popular and fastest sell-out event! This course is fast and relatively flat, making it great for personal bests and […]