IRONMAN Montana
- Date
- August 15, 2027
- Location
- Great Falls, MT, United States
- Race type
- IRONMAN — 140.6 mi (226 km)
- Swim
- River
- Bike course
- Rolling
- Run course
- Rolling
- Avg. air temperature
- 67F/19C
- Avg. water temperature
- 68F/20C
Official race page on ironman.com
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FAQ
When is IRONMAN Montana?
IRONMAN Montana is scheduled for August 15, 2027.
Where is IRONMAN Montana?
IRONMAN Montana is held in Great Falls, MT, United States (North America).
What is the course like at IRONMAN Montana?
IRONMAN Montana is an IRONMAN race (140.6 mi (226 km)) with a river swim, a rolling bike course and a rolling run course.
Is IRONMAN Montana wetsuit legal?
The average water temperature is 68°F (20°C), which is within the age-group wetsuit-legal range (up to and including 76.1°F / 24.5°C) under the 2026 IRONMAN Competition Rules. The official call is made from the water temperature measured on race morning.
How do I register for IRONMAN Montana?
Registration is handled on the official IRONMAN race page: https://www.ironman.com/races/im-montana