Mississauga 2025 Date Change

Due to construction making the venue unavailable on July 13, the date for this event has been changed to Sunday August 24. We will be contacting all registrants about this change.

 

Important Dates

 

Personalized Bib Registration Deadline: Tuesday, August 19, midnight

Registration Deadline: Thursday, August 21, midnight

 

 

 

Triathlon Ontario is the recognized governing body for the sport of Triathlon in Ontario. Our mission is to provide leadership and governance for safe, fair, and fun triathlon in Ontario.

Among a calendar of over 50 sanctioned races and hundreds of training activities a year, kids’ races are a high priority. Races for kids and youth introduce the sport to new people, provide a start for future Olympians, and promote physical fitness and a healthy lifestyle.

Check out our race calendar, for all ages, here.