Istanbul Marathon

Istanbul, Turkey · November 1, 2026
partly-cloudy-day54°·60° high·Breezy·Dry
8

Race Day Weather

partly-cloudy-day
54°at start
61° high
Breezy
Dry
Your goal
0:00:00

Mild start, strategic pacing needed

Runners will face temperatures starting at 54°F and rising to a maximum of 61°F, with average humidity at 74%. A light crosswind will affect runners in the early miles, transitioning to a supportive tailwind from miles 3 to 6 and 8 to 16, before shifting to a headwind in the latter stages from miles 17 to 25. Runners should adjust their pacing strategy to conserve energy during the headwinds and remain hydrated throughout.

Race day forecast available in 13 days
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Pace Calculator

26.2mi
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Race Plan

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A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.

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T-Minus
Carb Tracker
Spectator Guide
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Race Info

The Istanbul Marathon is an annual marathon held in Istanbul, Turkey, each November. It is the only marathon in the world whose 42.2 km course spans two continents, crossing the Bosphorus Bridge (officially the 15 July Martyrs Bridge) from the Asian side of the city to the European side, finishing at Sultanahmet Meydani near the Hagia Sophia and Blue Mosque. Wikipedia

Race weekend

Sunday, November 1
9:00 AMMarathon (26.2 mi)
9:19 AM15.5K (9.6 mi)
8K (5.0 mi)

FAQ

When is the 2026 Istanbul Marathon?

The 2026 Istanbul Marathon will be held on Sunday November 1, 2026.

Is the Istanbul Marathon a Boston Marathon Qualifier?

Yes, the Istanbul Marathon is an official Boston Marathon qualifier.

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

The forecast calls for a high of 62°F and a low of 53°F with a 11% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 15 years of data
Avg Temp
60°F
L:56° H:62°
RunScore
7
Conditions
Rain Freq
60%
9 of 15 yrs
Wind7mph
Dew51°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
partly-cloudy-day
57°/67°-
6
2024
rain
58°/59°Light
8
2022
partly-cloudy-day
59°/70°-
6
2021
partly-cloudy-day
58°/62°Light
7
2020
rain
57°/61°Light
7
2019
clear-day
51°/65°-
7
2018
partly-cloudy-day
58°/63°-
7
2017
partly-cloudy-day
57°/67°Light
7
2016
rain
58°/65°Light
7
2015
partly-cloudy-day
57°/62°Light
7
2014
cloudy
55°/57°Light
7
2013
partly-cloudy-day
51°/55°-
10
2012
partly-cloudy-day
56°/61°-
8
2011
rain
48°/51°Light
9
2010
rain
64°/69°Light
5