Istanbul Marathon

Istanbul, Turkey · November 1, 2026
partly-cloudy-day56°·58° high·Breezy·Dry
8

Race Day Weather

partly-cloudy-day
56°at start
58° high
Breezy
Dry

Mild temps, manageable winds

Runners will face temperatures starting at 56°F and finishing at 57°F, with a light chance of rain during the race. Winds will be primarily from the NNE at 13 mph, creating crosswinds at various points, particularly challenging around miles 1-2 and 15. Given the high humidity at 81%, runners should consider starting conservatively to avoid fatigue, especially on the climbs in the first half.

partly-cloudy-night8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day8
partly-cloudy-day5
partly-cloudy-day5

Pace Calculator

Distance: 26.2mi
0:00:00
HH:MM:SS
Pace
—
Weather Adj.
—
Common Goals:

Get forecast alerts for Istanbul Marathon

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

Race Plan

Get your personalized Istanbul Marathon race plan

Weather-adjusted pacing, per-mile terrain splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide — all personalized to your goal and race-day conditions.

Race Conditions
Terrain Splits
Nutrition
Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
Race Band

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

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 58°F and a low of 54°F with a 45% 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
62°F
L:56° H:63°
RunScore
8
Conditions
Rain Freq
60%
9 of 15 yrs
Wind9mph
Dew50°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
partly-cloudy-day
57°/68°-
9
2024
rain
58°/59°Light
7
2022
partly-cloudy-day
59°/70°-
8
2021
partly-cloudy-day
58°/62°Light
9
2020
rain
57°/62°Light
8
2019
clear-day
51°/65°-
9
2018
partly-cloudy-day
58°/64°-
9
2017
partly-cloudy-day
57°/67°Light
8
2016
rain
58°/65°Light
8
2015
partly-cloudy-day
57°/62°Light
9
2014
cloudy
55°/57°Light
9
2013
partly-cloudy-day
51°/55°-
8
2012
partly-cloudy-day
56°/61°-
8
2011
rain
48°/51°Light
8
2010
rain
64°/72°Light
8