What are the cutoffs at Chattanooga 70.3?

Swim — out of the water: 1:10:00 from your start; Off the bike: 5:30:00 from your start; Overall finish: 8:30:00 from your start. These are template figures (last reviewed 2026-06-22) — always confirm in the official Athlete Guide.

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Chattanooga 70.3

Chattanooga, TN · USA · May · 70.3

A downstream swim makes the clock flatter — but humidity rules the run.

Build my Blueprint for this race → Check the cutoffs

🏊 Swim

1.9 km

Downstream river swim — current-assisted and fast.

Strategy: The current gives you free time; do not waste it fighting your line. Sight downstream and stay relaxed.

🚴 Bike

90 km · 600 m ↑

Rolling Tennessee/Georgia country roads.

Strategy: Steady rollers reward even effort. Keep eating — humidity hides how much fluid you are losing.

🏃 Run

21.1 km

Two laps with a bridge climb that bites late.

Strategy: Humidity is the enemy. Slow the early pace, take cola and ice late, and respect the bridge each lap.

Course & conditions

Bike climbing

600 m

Likely temp

26°C

Water

18–22°C

Wetsuit: often non-wetsuit — practise without

Climate: Warm and humid by late morning.

Cutoffs

Gate	Cutoff (from your start)
Swim — out of the water	1:10:00
Off the bike	5:30:00
Overall finish	8:30:00

Template cutoffs updated 2026-06-22 basis: rolling Official Athlete Guide ↗

Standard 70.3 cutoff structure shown as a planning template — most 70.3s allow ~8:30 overall from your rolling start, with a swim cutoff near 1:10 and a bike cutoff near 5:30. Mid-bike and mid-run cutoffs vary. Always confirm the exact gates and clock basis in this event’s Athlete Guide for your race year.

Targets by level

Finish-first

Beat every cutoff with margin. Swim relaxed, ride well within yourself, walk-run the climbs, and never stop fuelling.

Sub-6 / strong age-grouper

Hold steady race power on the bike, protect the run, and execute transitions cleanly. The run is won by what you did NOT do on the bike.

Competitive age-group

Sharp swim, disciplined high-end bike to your durability, and a negative-split run. Every transition second counts.

First-timer risks

⚠Banking the fast swim then over-riding into a humid run.
⚠Under-fuelling because humidity masks fluid loss.

Packing & prep

✓High-sodium plan for humidity.
✓A cap you can fill with ice.

Race-morning timeline

−3:00 h Wake, main breakfast, sip fluid. Familiar food only.

−1:30 h Arrive, body-mark, set up transition, pump tyres, rack bike.

−1:00 h Top-up carbs + fluid. Wetsuit half-on, short warm-up.

−15 min Optional gel, get to the swim corral, find your seed pace group.

Gun Start controlled — the first 300 m of the swim is not the race.

A generic template — adjust to the event’s actual transition close and start times in the Athlete Guide.

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