"City-centre triathlon in Chattanooga — race through iconic streets and waterways."
🏊 Swim
Ocean swim in Chattanooga
🚴 Bike
Hilly bike course around Chattanooga
🏃 Run
Run through Chattanooga
Transition Details
T1/T2 are in the same location · Surface: pavement
Weather
Typical conditions in Chattanooga
Registration
https://www.example.com/chattanooga-triathlon-70-3
The Story
You come to Chattanooga for a 70.3 and you get a 70.3 that feels like Chattanooga: river-city grit in the Tennessee Valley. The 1.9km swim sends you into mild open ocean at 19°C — comfortable — cool on entry, forgotten after 200 metres. It's long enough that a poor start costs real time, short enough that strong swimmers can build a genuine lead. The 90km bike is the defining leg: 913m of elevation gain across a mountainous course that separates those who trained for this specific distance from those who just showed up fit. Ninety kilometres of climbing changes the race equation entirely. A rolling half-marathon through Chattanooga with 136m of gain. After 90km on the bike, even gentle rises feel significant. Quick cadence on the ups, controlled effort on the downs, and trust the training through the middle kilometres. Wind averaging 18 km/h makes the 90km bike the great equaliser — power, not pace, is the metric that matters. No shortcuts, no easy legs, no forgiveness for a bad plan.
"70.3 is the distance where nutrition, pacing, and course knowledge matter as much as fitness. Chattanooga teaches you all three."
What It Feels Like
A half-iron course in Chattanooga that suits experienced 70.3 athletes who want a course that fights back. This isn't a PB course — it's a character-building one. The city's river-city grit in the Tennessee Valley extends to the race itself. Recovery is part of the experience: pulled pork and a local brew.
🏊 The Swim
A 1.9km ocean swim in mild saltwater at 19°C — long enough that sighting discipline and stroke efficiency matter more than raw speed. Ocean swell can push you off-line; sight every 8-10 strokes. The salt buoyancy helps body position but stings the eyes. Exit through the surf and run to T1.
🚴 The Bike
90km with 913m of climbing — a mountainous bike course that makes the 90km the race's decisive leg. Power-to-weight matters more than pure wattage. The climbs test your legs; the descents test your nerve. Come with a compact crankset, climbing legs, and the discipline to save something for 21.1km of running.
🏃 The Run
21.1km of rolling Chattanooga terrain. After the bike, each rise lands differently than it would on fresh legs. The rollers add a psychological dimension — the finish always feels further than the markers suggest. Quick turnover, short stride on the climbs, and trust your fuelling from the bike.
💡 Insider Tips
- → Winds averaging 18 km/h are common. Over 90km, riding steady power rather than chasing speed saves significant energy for the half-marathon. The headwind sections will test patience; the tailwind will reward it.
- → The bike packs 913m of climbing over 90km — that's a real day in the saddle. Keep cadence above 80rpm on the climbs and resist the urge to hammer. Every watt you spend above threshold on the bike comes out of your half-marathon. A compact crankset with a 28+ cassette is non-negotiable.
- → Ocean conditions can shift between recon and race morning. For 1.9km in open ocean, sight every 8-10 strokes — swell can push you hundreds of metres off course without you feeling it. Practice dolphin-diving through shore break and body-surfing back to shore.
Prepare for This Race
More Races in United States
San Francisco · 52km · olympic
Chicago · 52km · olympic
New York · 52km · olympic
New York · 52km · olympic
New York · 51.5km · olympic
Los Angeles · 51.5km · olympic
FAQ
What distance is the Chattanooga Triathlon 70.3? +
The Chattanooga Triathlon 70.3 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 Chattanooga Triathlon 70.3? +
Typically held in March on a Saturday.
Water temperature and wetsuit rules? +
Ocean water at 19°C average. Wetsuit rules are conditional.
How hilly is the bike course? +
913m of climbing over 90km. Profile: hilly. Drafting not allowed.
What's the weather like on race day? +
undefined–undefined°C, 61% humidity, 17% rain chance, 18 km/h winds.
Average finish time? +
Approximately 5h 30m. Varies with conditions and athlete experience.
Are you the race organizer?
Claim This RaceFree · Get featured on our homepage · Edit your race details