IRONMAN 70.3 World Championship
- Date
- August 28, 2027
- Location
- Chattanooga, TN, United States
- Race type
- IRONMAN 70.3 — 70.3 mi (113 km)
- Swim
- River
- Bike course
- Hilly
- Run course
- Rolling
- Avg. air temperature
- 79F/26C
- Avg. water temperature
- 78F/26C
- Nearest airport
- Chattanooga Metropolitan Airport (CHA)
Official race page on ironman.com
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FAQ
When is IRONMAN 70.3 World Championship?
IRONMAN 70.3 World Championship is scheduled for August 28, 2027.
Where is IRONMAN 70.3 World Championship?
IRONMAN 70.3 World Championship is held in Chattanooga, TN, United States (North America).
What is the course like at IRONMAN 70.3 World Championship?
IRONMAN 70.3 World Championship is an IRONMAN 70.3 race (70.3 mi (113 km)) with a river swim, a hilly bike course and a rolling run course.
Is IRONMAN 70.3 World Championship wetsuit legal?
The average water temperature is 78°F (26°C), which is above the 76.1°F (24.5°C) wetsuit-legal limit; some events offer a separate non-competitive wetsuit wave up to 83.8°F (28.8°C), but those athletes aren't eligible for awards or slots under the 2026 IRONMAN Competition Rules. The official call is made from the water temperature measured on race morning.
What is the nearest airport to IRONMAN 70.3 World Championship?
The nearest airport listed for IRONMAN 70.3 World Championship is Chattanooga Metropolitan Airport (CHA).
How do I register for IRONMAN 70.3 World Championship?
Registration is handled on the official IRONMAN race page: https://www.ironman.com/races/im703-world-championship-2027