Ironman Chattanooga

SEP
27
2026
IRONMAN Chattanooga on September 27, 2026 in Chattanooga, Tennessee features a fast downriver swim, rolling bike course and a scenic downtown run. The swim was ranked first in North America in the 2025 Athletes' Choice Awards and average water temperature is about 76 °F.
Sun 27 Sep 2026
Bike Run Swim

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IRONMAN Chattanooga

IRONMAN Chattanooga is scheduled for September 27, 2026, in Chattanooga, Tennessee, United States. The event features a downriver swim in the Tennessee River, a rolling bike course, and a run through downtown Chattanooga and surrounding scenic areas.

The swim is described as fast and downriver and was named 1st Best Swim in North America and 4th Best Swim globally in the 2025 Athletes' Choice Awards. Course descriptions emphasize smooth rolling bike sections and a scenic run route that passes through downtown areas and riverside scenery.

Environmental figures provided for the event include an average water temperature of 76 °F / 24 °C, an expected high air temperature near 82 °F / 28 °C, and a low near 65 °F / 18 °C. The event listing identifies IRONMAN as the organizer and situates the race in Chattanooga, a city highlighted for spectator support and outdoor recreation.

Event materials reference race week activities, local training and volunteer resources, and an athlete guide and event schedule. Specific race distances and start times are not listed in the provided information. Visit the organization's website for the most recent information.

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