Half distance · 28 August 2027
IRONMAN 70.3 World Championship
Chattanooga, United States
The race at a glance
- Circuit
- IRONMAN
- Status
- World championship
- Distance
- Middle distance
- Terrain
- Road
- Swim
- 1.9 km
- Bike
- 90 km
- Run
- 21.1 km
- Date
- 28 Aug 2027
- Registration
- Qualification only
- Swim venue
- River
- Average water temperature
- 26 °C
- Bike profile
- Hilly
- Run profile
- Rolling
- High air temperature
- 33 °C
- Low air temperature
- 19 °C
- Altitude
- 209 m
- First edition
- 2006
Edition history
| 2026 | 12 Sept 2026 | Held |
|---|
How the day is laid out
The swim is held in a river. The wetsuit call is made on race morning, against the temperature measured then.
The organiser publishes 1.9 km of swimming, 90 km on the bike and 21.1 km of running.
The water is usually around 26 °C at this time of year.
The bike course is hilly.
The run course is rolling.
Typical temperatures for the month run from 19 to 33 °C.
The race was first held in 2006.
Against the calendar
Where this race sits among the others
Ranks are computed across every race of the same distance.
Average water temperature
26 °C · median 21 °C
The 20th warmest of the 128 middle-distance races with a figure, across every circuit.
High air temperature
33 °C · median 25 °C
The 10th hottest of the 152 middle-distance races with a figure, across every circuit.
13
races of this distance pair a hilly bike with a rolling run, out of 159. 29 share the bike profile alone.
42
races across every distance fall in August, out of 354.
68
races are held in North America. 5 of them in the same month as this one.
Questions about this race
- When is IRONMAN 70.3 World Championship Nice 2027?
- IRONMAN 70.3 World Championship Nice is held on 28 August 2027 in Chattanooga, United States. Entry is by qualification only.
- Is a wetsuit allowed at IRONMAN 70.3 World Championship Nice?
- Yes, but without awards. The average water temperature is 26 °C: between 24.6 °C and 28.8 °C a wetsuit may be worn, but without eligibility for age-group awards or slots. The official call is made on race morning.
Where to stay
Hotels and rentals around the race venue, for the nights around race day.
Suggested stay: 26 Aug 2027 to 29 Aug 2027
The map is provided by Stay22. Bookings are made with the provider.
Races of the same distance in the same region
- IRONMAN 70.3 New York
Jones Beach, United States
- Date
- 24 Oct 2026
- Distance
- Middle
- Country
- US
- CLASH Daytona Middle Distance Triathlon
Daytona Beach, United States
- Date
- 6 Dec 2026
- Distance
- Middle
- Country
- US
- IRONMAN 70.3 La Quinta
La Quinta, United States
- Date
- 6 Dec 2026
- Distance
- Middle
- Country
- US
- IRONMAN 70.3 Florida
Haines City, United States
- Date
- 13 Dec 2026
- Distance
- Middle
- Country
- US
- IRONMAN 70.3 Dallas-Little Elm
Dallas, United States
- Date
- 14 Mar 2027
- Distance
- Middle
- Country
- US
- IRONMAN 70.3 Oceanside
Oceanside, United States
- Date
- 3 Apr 2027
- Distance
- Middle
- Country
- US
- IRONMAN 70.3 Texas
Galveston Island, United States
- Date
- 4 Apr 2027
- Distance
- Middle
- Country
- US
- IRONMAN 70.3 Gulf Coast
Panama City Beach, United States
- Date
- 8 May 2027
- Distance
- Middle
- Country
- US
Entries are handled by the organiser
Registration and the athlete guide are on the official race page.