The 2026 Istanbul Half Marathon has concluded.

Istanbul Half Marathon

Race complete
Istanbul, Turkey · April 19, 2026
partly-cloudy-day47°·60° high·Breezy·Dry
8

Race Day Weather

partly-cloudy-day
47°at start
60° high
Breezy
Dry

Cool conditions, steady race ahead

Runners will face a temperature rise from 47°F to 60°F, with an average humidity of 80% and a dew point of 48°F. Winds will be light at 10 mph from the SW, presenting a slight tailwind throughout. With cooler temperatures, runners can maintain their pace but should stay hydrated regularly.

partly-cloudy-night8
partly-cloudy-night8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day9
partly-cloudy-day8
partly-cloudy-day9

Get forecast alerts for Istanbul Half Marathon

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Info

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

Area Map

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 46°F with a 0% chance of rain.

Historical Weather

Based on 3 years of data
Avg Temp
61°F
L:51° H:61°
RunScore
8
Conditions
Rain Freq
33%
1 of 3 yrs
Wind11mph
Dew47°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2025
partly-cloudy-day
55°/61°-
7
2024
partly-cloudy-day
47°/62°Light
8
2023
partly-cloudy-day
51°/62°-
9