Marathon

Bali Marathon

Marathon Bali

Gianyar, Indonesia August 42.195 km
34/100 Moderate

Difficulty

Marathon Index Score

2026 edition held Aug 23, 2026

Next edition expected

Usually August

2027 date not yet confirmed

Weather: Bali Marathon

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

Racing conditions: Hot

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

26°C

Temperature

Range: 24°C – 29°C

78%

Humidity

High — increase hydration

6%

Rain Chance

Low chance of rain

August

Typical race month

Usually on a Sunday

Conditions

In August Denpasar, the nearest long-term weather station, averages a daytime high of about 29°C and a low of about 24°C, with rain on only about two days of the month; the marathon starts in the dark at 04:30.

What to Wear

Light cap or visor

Shield from sun and heat

Sunscreen SPF 30+

26°C means sun exposure risk

Extra hydration plan

Increase fluid intake in heat

Hydration Strategy

Before the Race

Hydrate aggressively in the 24 hours before. Aim for clear urine the morning of the race.

During the Race

Take water at every aid station. Consider sports drink for electrolytes. Don't wait until you're thirsty.

After the Race

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

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