IRONMAN 70.3 Muskoka

JUL
5
2026
A Muskoka triathlon with a lake swim at Peninsula Lake, a rolling to hilly bike through Ontario cottage country, and a run on wooded trails. The race in Huntsville also serves as a qualifier for the 2027 IRONMAN 70.3 World Championship.
Sun 5 Jul 2026
Ironman 70.3

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IRONMAN 70.3 Muskoka

IRONMAN 70.3 Muskoka is a triathlon event in Huntsville, Ontario, Canada, scheduled for July 5, 2026. The race takes place in Muskoka, a forested lake region near the Great Lakes often described as Canada's cottage country. The event listing references Lake of Bays Brewing Co as a venue reference.

The course includes a swim in the clear waters of Peninsula Lake, a rolling to hilly bike route through the Muskoka region, and a run on wooded trails. Published course data notes an average water temperature near 23 °C and typical air temperatures showing a high around 31 °C and a low around 14 °C. The event also supports relay teams and is indicated as a qualifier for the 2027 IRONMAN 70.3 World Championship. The organiser is IRONMAN, and the event information includes athlete guides, pre-race resources, spectator information, and volunteer opportunities.

Registration status on the event page is marked as sold out. Additional participant resources cover travel, local tri-clubs, and race-week information. Visit the organization's website for the most recent information.

70 mi
Ironman 70.3
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