• Sioux Narrows Steelman & Swimfest

    Sioux Narrows

    Sioux Narrows offers a 4km point to point swim in the beautiful Lake of the Woods followed by a challenging scenic 180km bike ride. We have all distance and swim only options 1km, 2km, 4km options. All swims are kayak guided and lead by the Sioux Narrows Fire Boat. 

  • Triathlon Ontario’s Aquathlon Provincial Championships

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

    Welcome to Triathlon Ontario's Aquathlon Provincial Championships! The Aquathlon consists of a 2.5km run, 1km swim and a 2.5km run provided the water temperature is 22 C or above and therefore, wetsuit illegal. If the water temperature is below 22 C, wetsuits are legal and the event switches to a 1km swim and a 5km […]

  • Multisport Canada Wasaga Beach Triathlon

    Wasaga Beach 45 Beach Drive, Wasaga, Ontario, Canada

    A full day of events based at the popular Wasaga Beach. With a swim in Georgian Bay, racers will have a flat and fast bike with a few small hills and a fast run course along the waterfront.   2026 Age Group Sprint Triathlon & Mixed Team Relay (1 spot per age group per gender) […]

  • Subaru Triathlon Series – Guelph Lake Two

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

    The second visit to Guelph Lake Conservation Area is the perfect way to cap off your season on the Labour Day long weekend! The sprint distance features a 750m Swim, 30km Bike, and a 7km Run that never leaves the park! The Try-A-Tri features a 375m Swim, 10km Bike, 2.5km Run and is one of […]

  • Triathlon Ontario Draft Legal Provincial Championships

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

    Triathlon Ontario’s signature event, the 2026 Provincial Championships will be held on September 5th once again at the International Flatwater Centre in Welland. The format for the races are Super Sprints. There is both a strategic and logistic reason for this versus Sprint or other distances.  From a strategic perspective, short fast racing promotes the development of […]

  • Multisport Canada Lakeside Triathlon – KOS®

    Lakeside Resort 256440 Sunova Crescent, Lakeside, Ontario, Canada

    Multisport Canada covers it all on this late summer weekend. Events ranging from youth all the way to an Olympic distance triathlon and international duathlon. The whole family can race this weekend! 2026 Age Group Qualifier Standard Duathlon (1 spot per age group per gender) Youth Cup Series - 12-13 Age Group Race Information Saturday: […]

  • Multisport Canada Barrelman Niagara Falls

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

    Sunday, September 20, 2026 The only point-to-point race in the Province, this race starts at the Welland International Flatwater Centre and winds its way through the beautiful Niagara countryside ending at the world-famous Niagara Falls. Athletes will start the day at the Welland International Flatwater Centre, a legacy facility of the 2015 Toronto Pan Am […]

  • NCCP Youth Triathlon Coach Course – Thunder Bay

    Canada Games Complex 420 Winnipeg Ave, Thunder Bay, Ontario, Canada

    Triathlon Ontario Is hosting this NCCP Youth Triathlon Coach course in Thunder Bay, Ontario, on October 3-4, 2026. This course is delivered in a two-day, in-person format, with coaches learning to coach kids and youth in triathlon, then delivering practices using the skills learned - first to fellow coaches, then to youth athletes. The course covers the […]

    $195
  • Ironman 70.3 Muskoka

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

      SOLD OUT   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 […]

  • Supertri Toronto

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

    Suptertri Toronto 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 […]