Istanbul Half Marathon

Istanbul, Turkey • April 19, 2026

Race Day Weather

52°

61° high

Breezy

Dry

Cool start, steady conditions

Runners will face a temperature range from 52°F to 61°F, with humidity at 70%. Wind will come from the S with speeds up to 9 mph, creating a slight headwind. Competitors should maintain a conservative pace early and stay hydrated throughout to optimize performance.

Race day forecast available in 2 days

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The Istanbul Half Marathon (Turkish: İstanbul Yarı Maratonu) is an annual road running event over the half marathon distance (21.1 km) that takes place on the streets of Istanbul, Turkey in April. The event is sponsored by Vodafone. It was promoted to the IAAF Gold Label status for 2017. Wikipedia

Course Map

FAQ

When is the 2026 Istanbul Half Marathon?

The 2026 Istanbul Half Marathon will be held on Sunday April 19, 2026.

What will the weather be like for the 2026 Istanbul Half Marathon?

The forecast calls for a high of 61°F and a low of 52°F with a 0% chance of rain.

Historical Weather

Based on 3 years of data

Avg Temp

61°F

L:51° H:61°

RunScore

Conditions

Rain Freq

33%

1 of 3 yrs

Wind11mph

Dew47°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Istanbul Half Marathon Partly cloudy throughout the day. 2025	55°/61°	-	50°
2024 Istanbul Half Marathon Partly cloudy throughout the day with rain clearing later. 2024	47°/62°	Light	46°
2023 Istanbul Half Marathon Partly cloudy throughout the day. 2023	51°/62°	-	47°