# IRONMAN 70.3 World Championship

Canonical: https://findmytris.com/events/im703-world-championship-2027
Official page: https://www.ironman.com/races/im703-world-championship-2027

- **Date:** August 28, 2027
- **Location:** Chattanooga, TN, United States
- **Continent:** North America
- **Race type:** IRONMAN 70.3 — 70.3 mi (113 km)
- **Swim:** River
- **Bike course:** Hilly
- **Run course:** Rolling
- **Avg. air temperature:** 79°F (26°C)
- **Avg. water temperature:** 78°F (26°C)
- **Nearest airport:** Chattanooga Metropolitan Airport (CHA)

## 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

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Data compiled by Find My Tris from official IRONMAN pages; please cite findmytris.com.