Half Marathon

Polar Night Half Marathon

Polarnatt Halvmaraton

Tromsø, Norway January 21.0975 km
Polar Urban Scenic Loop Community Bucket List Beginner Friendly Flat

Next Race

Jan 18, 2026

Weather: Polar Night Half Marathon

Historical weather data for race day in January. Use this to plan your race strategy, clothing, and hydration.

🥶 Racing conditions: Cold

🌡️

-6°C

Temperature

Range: -10°C – -2°C

💧

75%

Humidity

Moderate

🌧️

35%

Rain Chance

Possible — check forecast

📅

January

Typical race month

Usually on a Saturday

📝 Conditions

Extreme cold with dry, clear Arctic air and active Northern Lights display. Expect snow coverage on course with icy patches on some sections; microspikes recommended.

👟 What to Wear

🧤

Gloves & hat

Essential for freezing starts

🧥

Thermal base layer

Retain body heat in cold wind

👕

Disposable outer layer

Stay warm pre-race, toss at the start

💧 Hydration Strategy

Before the Race

Normal hydration. Drink to thirst in the 24 hours before. Avoid over-hydrating.

During the Race

You'll sweat less in the cold but still need fluids. Take small sips at aid stations.

After the Race

Rehydrate within 30 minutes of finishing. A drink with electrolytes and some protein helps recovery.

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