Ironman 70.3 Chattanooga

MAY

17

2026

IRONMAN 70.3 Chattanooga on May 17, 2026 features a downriver swim in the Tennessee River, a hilly bike course, and a riverfront and park-trail run. General registration is sold out, with special entries noted as available.

Sun 17 May 2026

Chattanooga, Tennessee

Website

Ironman 70.3

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IRONMAN 70.3 Chattanooga

IRONMAN 70.3 Chattanooga is scheduled for May 17, 2026 in Chattanooga, Tennessee, United States. The event is organized by IRONMAN and takes place along the Tennessee River and nearby park areas.

The race course includes a downriver swim in the Tennessee River, a bike route that travels through hilly terrain, and a run that follows the riverfront and park trails. Reported temperatures for the event show an average water temperature of 73 °F / 23 °C, a high air temperature near 80 °F / 27 °C, and a low air temperature near 64 °F / 18 °C.

The event page highlights community features such as a strong TriClub presence and relay team support, and displays a Precision Fuel & Hydration IRONMAN 70.3 World Championship qualifying badge. General registration is listed as sold out, with special entries noted as available. The event location is Chattanooga, TN. Visit the organization's website for the most recent information.

70 mi

Ironman 70.3