Weather: Royal Parks Half Marathon

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

Racing conditions: Ideal

13°C

Temperature

Range: 10°C – 16°C

72%

Humidity

Moderate

45%

Rain Chance

Possible — check forecast

October

Typical race month

Usually on a Sunday

Conditions

Cool autumn weather typical for October in London. Often overcast with a chance of light rain; layers recommended. Conditions generally favorable for distance running.

What to Wear

Singlet or short sleeve

Ideal racing temperatures

Hat with brim

Keep rain out of your eyes

Anti-chafe cream

Wet conditions increase chafing risk

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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