Ironman Frankfurt — Weather Guide
Historical weather data for race day in June. Use this to plan your race strategy across all three disciplines.
23°C
Air Temp
15°–28°C
22°C
Water Temp
lake
55%
Humidity
18%
Rain Chance
12 km/h
Wind
June
Race Month
Saturday
Warm continental summer: 23°C average with moderate humidity. Can reach 30°C+ in hot years. Forest sections on the run provide shade.
🏊 Swim Conditions
Water Temperature
22°C
Warm water — overheating in a wetsuit is possible.
Wetsuit Strategy
conditional
Conditional on race-day water temp. Threshold: 24.5°C. Bring your wetsuit and decide on race morning.
Water Conditions
lake — calm
Lake swim — typically calm conditions. Good for predictable pacing.
🚴 Bike Conditions
Wind Impact
12 km/h
Light winds — standard conditions. Maintain steady effort.
Temperature on the Bike
23°C (55% humidity)
Comfortable for riding. Standard hydration plan.
Bike Course Profile
rolling · ↑1000m
Undulating course. Use momentum on descents, stay steady on the rises.
🏃 Run Conditions
Heat & Humidity Impact
Good running conditions (23°C). Standard pacing strategy. Drink to thirst.
Run Course Terrain
road surface, flat profile with ↑150m of elevation gain.
💧 Hydration & Nutrition Strategy
Before the Race
Normal hydration. Drink to thirst in the 24–48 hours before. Avoid over-hydrating.
On the Bike
Aim for 500–750ml per hour. Start fueling early — 60–90g carbs/hour from gels, bars, and sports drink.
On the Run
Drink at aid stations every 2–3km. Continue 30–60g carbs/hour. Your gut may be sensitive after the bike — use what you practiced in training.
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