"One of the most scenic triathlon courses in the world — swim, bike, and run through the beauty of Chattanooga."
🏊 Swim
River swim in Chattanooga.
🚴 Bike
Rolling bike course in Chattanooga.
🏃 Run
Run through Chattanooga.
Transition Details
T1/T2 are in the same location · Surface: grass
Weather
Typical: 24°C, 60% humidity.
Registration
https://example.com/ironman-70-3-chattanooga
The Story
Ironman 70.3 Chattanooga takes you to Tennessee's outdoor capital, in the foothills of the Appalachians. The downstream Tennessee River swim — the current-assisted rocket opens the day in temperate river water at 18°C. The bike course delivers 900m of climbing — rolling Appalachian foothills through Tennessee farmland. The run brings you home through Chattanooga, where Chattanooga riverfront through a revitalised Southern city.
The river swim that breaks records — downstream current, Southern charm, and Appalachian hills. Every race has a personality shaped by its geography, its climate, and its people. Ironman 70.3 Chattanooga is worth the journey.
"Racing in Chattanooga — the course shows you the real United States, not the tourist version."
"The river swim that breaks records — downstream current, Southern charm, and Appalachian hills."
What It Feels Like
Ironman 70.3 Chattanooga in Chattanooga, United States — a climbing race wrapped in warm conditions.
🏊 The Swim
Cool river swimming at 18°C. Wetsuits typically permitted and welcome.
🚴 The Bike
Hilly course with 900m of climbing. Serious climbing that demands dedicated hill training.
🏃 The Run
Through Chattanooga in comfortable conditions (24°C average). Ideal running temperature for most athletes.
Legendary Moments
Ironman 70.3 Chattanooga Launches
The race comes to Chattanooga, bringing branded half-distance triathlon to Tennessee's outdoor capital, in the foothills of the Appalachians.
💡 Insider Tips
- → The swim at 18°C may or may not be wetsuit-legal. Prepare for both scenarios.
- → Train for sustained climbing: the 900m of elevation demands dedicated hill work. 5-15 minute efforts at 4-7% gradient.
- → Arrive 2-3 days early to acclimatise and explore Chattanooga. The travel experience is part of the value.
Prepare for This Race
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FAQ
What distance is the Ironman 70.3 Chattanooga? +
The Ironman 70.3 Chattanooga is a Half Ironman / 70.3 distance triathlon: 1900m swim, 90km bike, and 21.1km run (113km total) in Chattanooga, United States.
When is the Ironman 70.3 Chattanooga? +
The next edition is on May 27, 2026. The race is typically held in May.
Water temperature and wetsuit rules? +
River water at 18°C average. Wetsuit rules are conditional.
How hilly is the bike course? +
900m of climbing over 90km. Profile: rolling. Drafting not allowed.
What's the weather like on race day? +
20–30°C, 60% humidity, 10% rain chance, 23 km/h winds.
Average finish time? +
Approximately 6h. Varies with conditions and athlete experience.
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