Jul 2026
SAVE WHEN YOU REGISTER BEFORE JULY 13! PLEASE NOTE: the 5K AND 15K EVENTS ARE NOW GREEN BIB (NO MEDAL) ONLY. THE KIDS 1K IS NOW SOLD OUT. Get moooooooving! Join […]
Jul 2026
Get ready for Grit & Grind, returning on Wednesday, July 29, 2026, now hosted at Sheila McKee Park in Dunrobin. This 5K trail race will take you off the pavement and into […]
Aug 2026
Sep 2026
Gear up for an intense adventure at the Grit & Grind Trail Race, taking place at Camp Fortune in Gatineau Park. Embrace your inner mountain goat and take your pick of the […]
Oct 2026
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 […]
Nov 2026
Get ready for Ottawa’s favourite fall trail event! Frost Country offers a true cross country challenge — grass, gravel, that Hill, and even a few hay bales to keep things interesting. Whether […]
Dec 2026
Get ready for a festive 5K frolic in support of the Ottawa Food Bank! Kick off the holiday season and get in the spirit to celebrate! Meet at Ottawa City Hall on […]
May 2027
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 […]
May 2027
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 […]
May 2027
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! […]
May 2027
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! […]
May 2027
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: […]
May 2027
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, […]
May 2027
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 […]
May 2027
Get ready to experience the thrill of the Tamarack Homes Ottawa International Marathon, one of Canada’s most celebrated marathons for over 50 years! With breathtaking scenic routes that weave through the nation’s […]
May 2027
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 […]