Provincial Development Program Seminar Series 25/26

Online

November 27 2025 - April 22 2026 As part of Triathlon Ontario's Provincial Development Program a series of free online seminars is being offered to all of the province's developmental athletes and coaches.  Participants only need to register once and then Triathlon Ontario will create an email database of interested athletes and coaches, sending the […]

Provincial Development Program Seminar Series 25/26

Online

November 27 2025 - April 22 2026 As part of Triathlon Ontario's Provincial Development Program a series of free online seminars is being offered to all of the province's developmental athletes and coaches.  Participants only need to register once and then Triathlon Ontario will create an email database of interested athletes and coaches, sending the […]

Subaru Triathlon Series – Milton Triathlon

Kelso Conservation Area 5234 Kelso Road, Milton, Ontario, Canada

Based out of Kelso Conservation Area in Milton, this is Subaru’s first race of the season and a crowd favourite. A variety of different races are available: Try-A-Tri, Sprint Triathlon, along with a Duathlon. Come tackle the challenging “6th line hill” or enjoy the scenic run course consisting of both road and cross country type […]

Multisport Canada Gravenhurst Triathlon

Muskoka Wharf Sports Field 1100 Bay Street, Gravenhurst, Ontario, Canada

JUMP into June’s Lake Muskoka! The out-&-back cycling course features long steady grades before the rolling hills in the run!  First stop - Gravenhurst    Based in the heart of cottage country, Multisport Canada offers another full weekend of racing - something for everyone! This location offers Sprint and Olympic distance triathlon the experience of […]

Subaru Triathlon Series – Guelph Lake 1

Guelph Lake Conservation 7743 Conservation Dr., RR 4, Guelph, Ontario, Canada

Based out of Guelph Lake Conservation Area, the Subaru Guelph Lake One Triathlon weekend is one of Ontario's most popular and longest-running races. There are a wide variety of races and distances to choose from for athletes of all abilities and levels of experience: Try-a-Tri, sprint and standard distance triathlons and duathlons. Eligible Events - […]

Multisport Canada Rose City (Welland) Triathlon

Welland International Flatwater Centre 16 Townline Tunnel Rd., Welland, Ontario, Canada

Multisport Canada's last event of the season in beautiful Welland, a full weekend featuring a range of events from the Long Course, Give-it-a-Tri, Sprint Triathlon/Duathlon and Aquabike. Get a chance to swim the Welland Canal and then head out onto the flat and fast bike and run course.   Race Information Saturday: June 27, 2026 […]

Ironman 70.3 Muskoka

Canada Summit Centre 20 Park Drive, Huntsville, Ontario, Canada

Ontario's only IRONMAN 70.3, this race takes place in a region adjacent to the majestic Great Lakes—a pristine forest getaway in Canada's cottage country. Once again, the 2026 IRONMAN 70.3 Muskoka will be at the gorgeous Canada Summit Centre in Historic Downtown Huntsville. The beautiful Canada Summit Centre was renovated and expanded for the 2010 […]

Subaru Triathlon Series – Niagara Triathlon – (Grimsby)

corner of Lake st and Nelles rd north in Grimsby 109 Lake Street, Grimsby, Ontario

One of the nicest settings for triathlon and duathlon. Very compact triathlon site that creates a fun, family friendly atmosphere!  Very quick drive from Toronto on race morning! Race in the morning and check out Wine Country after your race! For those ladies who are also looking to compete in the IRON GIRL race;  this […]

Toronto Triathlon Festival

Exhibition Place 100 Princes' Blvd., Toronto, Ontario, Canada

The TTF is quickly becoming a “Can’t Miss”, signature event on the North American triathlon circuit. The triathlon will take you on a memorable journey through Toronto’s unique landscape, as concrete jungles flow effortlessly into picturesque hills and valleys. Whether you are an Olympian, weekend warrior or someone looking to add a challenging event to […]

Ironman Canada – Ottawa

Ottawa Ontario Canada

The course features a thrilling 2-loop, 3.8 km swim in the Ottawa River, starting from Brittania Park, where spectators can cheer you on. After the swim, you'll tackle a scenic 180 km bike route that is completely closed to traffic, showcasing mild elevation changes and iconic sights like Embassy Row. Finally, the flat 42.2 km […]