The Riverwalk Half: Two Loops, Bridges, Short Climbs and Real Heat

Don't Call It Flat

The run at 70.3 Chattanooga is 13.1 miles over two loops along the Riverwalk and the Northshore area, crossing the Veterans Bridge and the Walnut Street Bridge. Official elevation gain is 543 ft, roughly 165 m. It's not a mountain run, but it's not flat either: it's rolling, with two specific spots where anyone without a plan pays the price.

The First Half Mile: The Adrenaline Trap

Coming out of transition, past the Aquarium, there's a long climb in the first half mile. You've just gotten off the bike, your legs aren't firing yet, the crowd is pushing you. The classic mistake: starting at goal pace and finding your heart rate off the charts by km 2. The right plan:

• First kilometer 20-30 seconds slower than your target pace.
• High cadence, short stride, breathe.
• Lock in your real pace only once the road settles.

Battery Hill and the Bridges

At mile 5 you hit Battery Hill: steep but short. It's not a lung problem, it's a discipline problem: take it at a controlled effort or power-walk it if you're struggling. You lose 15-20 seconds and save the rest of the loop. The two bridges per loop add false flats: use them to change your footstrike and break up the muscular monotony.

Since it's two loops, on the second pass you already know every meter. Use that: decide on lap one where you'll push and where you'll manage on lap two.

The Heat: The Real Opponent

In mid-May, average highs are 29 °C. The run starts when the sun is high and several stretches are exposed. This is where many age-groupers' races are decided. A concrete strategy:

• Start cooling yourself on the bike: douse yourself at the aid stations in the final stretch.
• Ice in the trisuit (chest, back of the neck, wrists) from the FIRST run lap, not once you're already in trouble.
• Water on you at every aid station, cold drinks in you.
• Consider 10-15 second walk breaks at aid stations: in hot races they often gain you time, not lose it.

Watch out for one detail flagged in race reports: on the second lap, aid stations can be crowded and short on ice. Anyone waiting until lap two to manage the heat risks not finding what they need. Get ahead of it.

Aid Stations: What You'll Find

Aid stations are roughly every mile: water, cola, Maurten gels, fruit, pretzels. Every mile means you don't need to carry much with you, but it also means you need a plan: what you take, at which stations, in what order. If you've never used Maurten gels, either test them on your long runs in the coming weeks or carry your own in your pocket.

Pacing: The Three-Block Plan

• Km 0-3: controlled, Aquarium climb included. Goal: heart rate under control.
• Km 3-15: race pace, aggressive heat management (ice and water at every aid station), Battery Hill at a steady effort.
• Km 15-21: this is where you see who paid for the rolling bike course and who didn't. If you've managed well, you can close hard on the Riverwalk.

What to Do in Training

Two concrete tests before race day:

1. Brick with an uphill start: after a rolling bike ride, run 5-8 km immediately, starting with 500 m slightly uphill at a controlled pace. It replicates the exit from T2 exactly. 2. Long runs in the heat of the day: if your climate allows it, get your body used to running at 25-30 °C, testing how much fluid and how much cooling you really need.

Chattanooga's run doesn't require climbing talent. It requires patience in the first 3 km and a clear head about the heat. Anyone who hits T2 with legs left and an ice plan passes dozens of athletes here.