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IRONMAN

IRONMAN Frankfurt

Sunday, 28 June 2026

IRONMAN Frankfurt is a 3,813 m freshwater swim followed by a 176 km rolling, ~1,073 m gain bike and a 42.2 km run—your race will be won by steady pacing, disciplined fueling (90 g carbs/hr + 1,000 mg sodium + 800 ml fluid/hr), and managing the West wind on the bike.

Air
16–26°
typical
Wind
4.7 W
prevailing
Water
typical — confirm
Bike climb
+1073 m
Race-day forecast — 3 days outupdated 48 min ago
24–38°
temp
16 km/h
wind W
55%
rain chance
4.1 mm
rain total
Actual forecast for this race date — refreshed daily as it approaches. The chips above are the 10-year typical.
Fueling — per hour
90 g
carbs
1000 mg
sodium
800 ml
fluid
Baseline for a ~12 h finish, 70 kg athlete, hot conditions.

Typical 10-year conditions, not a forecast. Water temperature and the wetsuit ruling are set on race morning — check the IRONMAN race guide →

Worlds qualification — slots TBAsee who qualified →
0 km88 km176 km208 m
176.0 km · +1073 m climbing
T1 — swim to bike

Execute a clean swim→bike transition: exit with enough time to find your top-and-helmet sequence quickly, don’t rush the first mounts, and keep your upper body calm when you’re standing up. As you ride away from T1, immediately focus on getting your cadence and fueling on track—don’t sprint the first segment, especially with wind from the West. The first 15–20 minutes should feel like you’re transitioning your effort from swim intensity to sustainable bike power; this rolling course asks for steady, repeatable surges rather than hard spikes.

During the bike

Ride 176 km with approximately 1,073 m elevation gain over a rolling profile, so expect frequent “micro-climbs” and “micro-downs” that can tempt over-pacing. With a typical wind of 4.7 m/s from the W, you’ll feel it most on exposed sections—protect your rhythm on the windier stretches and avoid surging when the bike is pushing you from behind. Fueling is your performance lever: target 90 g carbs per hour, 1,000 mg sodium per hour, and take in about 800 ml fluid per hour, using aid-station timing so you don’t miss multiple consecutive sips. Use the rollers to stay smooth: press through the climbs without jumping your cadence too low, and on descents keep it controlled so you can attack the next rise without braking fatigue. If heat is moderate (typical for this event window), keep sipping even before you feel thirsty—let the fluid plan do the work, not your thirst.

Closing notes

The take-home is pacing on a rolling course: stay smooth over the rises and use the downhills to recover, while hitting 90 g carbs/hr + 1,000 mg sodium/hr + 800 ml/hr consistently. The West wind is real—protect your effort when it turns into a headwind.

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Weather is a 10-year climatology (typical, not a forecast). Course tracks are approximate, derived for planning — verify against the official course. Maps © OpenStreetMap. Not affiliated with or endorsed by the IRONMAN Group.