Amsterdam Triathlon Olympic — Weather Guide
Historical weather data for race day in juni. Use this to plan your race strategy across all three disciplines.
18°C
Air Temp
12°–26°C
12°C
Water Temp
lake
42%
Humidity
48%
Rain Chance
11 km/h
Wind
juni
Race Month
Sunday
Typical race-day conditions: 18°C with 42% humidity.
🏊 Swim Conditions
Water Temperature
12°C
Very cold water — expect shock on entry. Practice cold water acclimation.
Wetsuit Strategy
allowed
Wetsuits are allowed and recommended given water temperature.
Water Conditions
lake — variable
Lake swim — typically calm conditions. Good for predictable pacing.
🚴 Bike Conditions
Wind Impact
11 km/h
Light winds — standard conditions. Maintain steady effort.
Temperature on the Bike
18°C (42% humidity)
Comfortable for riding. Standard hydration plan.
Bike Course Profile
hilly · ↑586m
Rolling terrain with notable climbs. Shift down early on hills to save legs for the run.
🏃 Run Conditions
Heat & Humidity Impact
Good running conditions (18°C). Standard pacing strategy. Drink to thirst.
Run Course Terrain
road surface, rolling profile with ↑111m 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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