26/100 Moderate

Difficulty

Marathon Index Score

2026 edition held Oct 10, 2026

Next edition expected

Usually October

2027 date not yet confirmed

Weather: Lisbon 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

19°C

Temperature

Range: 15°C – 23°C

79%

Humidity

High — increase hydration

28%

Rain Chance

Low chance of rain

October

Typical race month

Usually on a Saturday

Conditions

October in Lisbon is warm and fairly humid: average highs are about 23°C and lows about 15°C, with rain of 1 mm or more on around nine days of the month.

What to Wear

Light cap or visor

Shield from sun and heat

Sunscreen SPF 30+

19°C means sun exposure risk

Extra hydration plan

Increase fluid intake in heat

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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