AI synthesis with sources · 4 min · edition 2027
The Bike Leg: 56 Miles of True Rollers in North Georgia
A one-loop course with 2,504 ft of climbing, no long climbs but not a single foot of recovery between miles 10 and 45: here's how to manage it.
The Course at a Glance
The Chattanooga 70.3 bike is a single 56-mile loop: a roughly 34-mile circuit in north Georgia plus 11 miles south of the city. Official elevation gain is 2,504 ft, about 763 m. There's no signature climb. Instead, it's constant rollers, especially between miles 10 and 45: short ups and downs, one after another, with no stretches to catch your breath. It's a profile that wears down surgers and rewards riders who hold steady watts.
The First Miles: Watch for Railroad Tracks and Potholes
The opening miles are the technical section of the day. Railroad tracks and potholes have earned this stretch the nickname "bottle graveyard": multiple race reports mention bottles bouncing out within the first few minutes. What to do:
- Secure your bottles well; go with tight-grip cages or between-the-aerobars systems.
- Pick clean lines and cross the tracks as perpendicular as possible.
- Don't push to gain positions here: the race happens later, on the excellent pavement of Hwy 193.
The Middle Section: Steady Watts, Not Surges
Between miles 10 and 45 the course never leaves you alone. Climbs of 1-3 minutes, descents too short to recover, then up again. The classic trap: passing people on climbs at 110% FTP and paying for it on the run. The right plan for an age-grouper:
- Power ceiling on climbs: no more than 10-15% above your race target.
- Re-accelerate over the top and use the descent in aero instead of hammering the climb.
- Check normalized power every 20-30 minutes: if NP is drifting away from your average, you're surging too much.
Andrews Lane: The Only Real Kicker
Around mile 27 you hit the course's only steep pitch: about 200 yards on Andrews Ln, right after a 90-degree left turn. The problem isn't the gradient, it's that you arrive without seeing it. Shift down BEFORE the turn: anyone arriving in a big gear stalls out or stands on the pedals burning matches. If you run 1x or compact gearing like an 11-30 or bigger, you'll be thankful here.
The Second Half: Fast, But Not Free
After mile 45 the course drops noticeably toward transition, with some very fast sections. Two pointers:
- Use the descent for free speed in aero, but keep eating and drinking: it's your last chance to set up the run.
- Don't lose focus: high speeds, packs of athletes, and corners demand attention all the way to T2.
Aid Stations and Self-Sufficiency
Bike aid stations come every 12-15 miles, with water, Precision Fuel & Hydration, and Maurten products. Translation: 35-45 minutes or more between stations. With average highs of 29°C in May, you can't afford to run dry. Decision to make now: either test the on-course products in training over the coming weeks, or go fully self-supported with your own plan and use aid stations only for water.
How to Train for This Course
The best test: 30-45 mile rides on relentless rolling terrain, no stops, holding your race-target watts. If after 2.5 hours of rollers you can still run 20-30 minutes at race pace in a brick, you're ready. If your legs are empty, the problem is your climbing pacing: lower the ceiling and try again.
The Takeaway Decision
Decide now: gearing (a chainring or cassette that lets you spin above 80 rpm on the kickers), a pothole-proof bottle setup, and a power ceiling for the climbs. Write them on your bar tape. At Chattanooga you don't win the bike: you manage it so you can run well after.