• Kingston Kids Duathlon

    Kingston Memorial Centre 303 York Street, Kingston, Ontario, Canada

    With a lot of vision, hard work and positive energy the Ktown Kids Triathlon was launched in 2015. The goal was and remains, to introduce youth to this amazing sport, […]

  • The TriMuskokan Short Course Triathlon, Duathlon and Try-a-Tri

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

      Whether you are a first timer or a seasoned triathlete, come take part in the TriMuskokan. This grassroots homegrown event is an incredible community event that focuses on a […]

  • 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 […]

  • North Bay Triathlon

    North Bay Canoe Club/Olmsted Beach 60Lakeside Drive, North Bay, Ontario, Canada

    The North Bay Triathlon started after the Schmidt family athletes attended a triathlon in Ottawa in the early 90's and came back to North Bay saying "We should do that […]

  • Kids in Triathlon – Oakville

    Queen Elizabeth Community & Cultural Centre 2302 Bridge Road, Oakville, Ontario, Canada

    Welcome to the Kids In Triathlon (KITCan) Series! The KITCan Series is a non-competitive race series for kids aged 3-11, providing a supportive, family-friendly environment that celebrates individual achievement through […]

  • 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 […]

  • Stonetown Triathlon

    St. Mary's Quarry 425 Water Street South, St. Mary's, Ontario, Canada

    You must be a 2026 Triathlon Ontario member or purchase a one-day Triathlon Ontario membership Triathlon Ontario Youth Club Championships – 12-13 and 14-15 Age Groups Junior Cup - 16-19 […]

  • Tri Kids Triathlon Race Series Presented by Pure Flavour – Milton

    Milton Sport Centre 605 Santa Maria Blvd, Milton, Ontario, Canada

      NEW WEEKEND   The TRi KiDS Triathlon Series offers safe, non-competitive, confidence-building races for children and youth ages 3 to 15. TRi KiDS events combine three sports kids love: […]

  • Petawawa KOS Triathlon

    Dundonald Hall Fitness Sports & Aquatic Centre 57 Festubert Bld,, Petawawa, Ontario, Canada

    Race Information: Date: July 5th, 2026 (Sunday) Time: 8:30 am - Heats commence at 8:45 am and run throughout the morning. Start times will be confirmed at the pre-event meeting. […]

  • Kids In Triathlon – Mississauga

    Huron Park Recreation Centre and Park 830 Paisley Blvd. West, Mississauga, Ontario, Canada

      Welcome to the Kids In Triathlon (KITCan) Series! The KITCan Series is a non-competitive race series for kids aged 3-11, providing a supportive, family-friendly environment that celebrates individual achievement […]