Weather: Bieler 100km Lauf
Historical weather data for race day in June. Use this to plan your race strategy, clothing, and hydration.
🌡️
18°C
Temperature
Range: 12°C – 24°C
💧
65%
Humidity
Moderate
🌧️
35%
Rain Chance
Possible — check forecast
📅
June
Typical race month
Usually on a Saturday
📝 Conditions
Early summer in the Jura region brings mild temperatures with occasional rain. Expect changeable conditions with cool mornings warming to comfortable afternoons, typical of Swiss Alpine foothills in June.
👟 What to Wear
Singlet or short sleeve
Ideal racing temperatures
💧 Hydration Strategy
Before the Race
Normal hydration. Drink to thirst in the 24 hours before. Avoid over-hydrating.
During the Race
Drink at aid stations every 3-4km. Alternate water and sports drink.
After the Race
Rehydrate within 30 minutes of finishing. A drink with electrolytes and some protein helps recovery.
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