Weather: Tokyo Legacy Half Marathon

Typical climate in October (an estimate, not measured race-day data). Use it to plan your race strategy, clothing, and hydration.

Racing conditions: Warm

Typical climate for the race month — an estimate, not a forecast or a race-day record

18°C

Temperature

Range: 15°C – 22°C

71%

Humidity

Moderate

38%

Rain Chance

Possible — check forecast

October

Typical race month

Usually on a Sunday

Conditions

October in Tokyo is mild and fairly humid: average highs are around 22 °C and lows around 15 °C, with rain on about twelve days of the month.

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.

Get Your Training Plan

Free, personalized for this race

Get alerts for Tokyo Legacy Half Marathon

Registration openings, date changes, sell-out warnings.