Ironman Chattanooga
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IRONMAN Chattanooga
IRONMAN Chattanooga is a full-distance triathlon event held in Chattanooga, Tennessee, United States. The course includes a downriver river swim, a smooth-rolling bike course and a rolling run through and around downtown Chattanooga and nearby scenery. Average water temperature at the swim is 76°F / 24°C. Typical air temperatures noted for the event are around 82°F / 28°C for the high and 65°F / 18°C for the low.
The event is presented as part of an extended race week in Chattanooga, which the organizer highlights for spectator support and outdoor recreation access. In the 2025 Athletes’ Choice Awards the swim course placed first in North America and fourth globally for that year; the swim is described as a fast, downriver start.
Registration details for the 2027 edition indicate that registration will open at noon ET on October 15, 2026. The event materials refer to local race resources such as an event schedule, athlete guide, local training groups and volunteer opportunities.
All information here reflects the event description and published event details for IRONMAN Chattanooga. The text avoids promotion and focuses on course characteristics, typical temperatures and available event resources. Visit the organization's website for the most recent information.
