The Subaru Triathlon Series is Ontario’s leading triathlon and duathlon series. We are proud of our sponsors:


2017 Subaru IRONMAN 70.3 Muskoka NEW VENUE

We are excited to announce that the 10th annual 2017 Subaru IRONMAN 70.3 Muskoka event is moving down the road! Click here for all the details.

Oct17,2016 » Click to Read

Clinic and Camps

OPEN WATER SWIM CLINIC - May 21, 10-3. Lake Whittaker Ingersol $50 + HST  Everything you need to know about swimming in a triathlon from putting on your wetsuit, drafting open water stroke and..

Apr20,2016 » Click to Read

2016 Registration is NOW OPEN!

Whew! Thank you for you patience! Registration is open for all events. We will be sending an announcment shortly but feel free to go ahead and use the REGISTER button above to select your way to en..

Jan07,2016 » Click to Read

Subaru Series Winners Announced

If you haven' already heard; you'll want to view our 2015 Series Winners page! Ce..

Oct21,2015 » Click to Read SEE ALL NEWS
Subaru Canada

Join us at Nelles Beach Park in Grimsby, Ontario – just an hour away from Toronto and Buffalo – for a 500m shallow and safe swim – 20km flat and friendly bike – and a 5km spectator lined run course. It will be a picture perfect course starting in Lake Ontario, touring Niagara's farmland and finishing on the Waterfront Trail!

Click here to learn more

Ironman Muskoka 70.3