San Sebastián Marathon

San Sebastián, Spain · November 22, 2026
partly-cloudy-day45°·52° high·Breezy·Rain possible
8
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Race Day Weather

partly-cloudy-day
45°at start
52° high
Breezy
Rain possible

Cool start, mild finish

Runners will face a gradual temperature rise from 45°F at the start to 52°F by midday. Winds will be light from the W, with gusts up to 24 mph, but overall will not significantly impact performance. With high humidity at 80%, runners should consider adjusting their pace conservatively to manage comfort levels.

Race day forecast available in 4 days
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Distance: 26.2mi
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Race Info

The San Sebastián Marathon runs through Donostia's old town and along La Concha Bay in Spain's Basque Country. First held in 1978, it is Spain's second-oldest marathon after Madrid's. The route starts on Calle Hernani near San Sebastián's city hall and finishes on the Boulevard after a flat, urban course through the Antiguo, Amara and Gros neighborhoods. The men's course record is 2:09:34, set by Kenya's Timothy Cherigat in 2002.

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FAQ

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When is the 2026 San Sebastián Marathon?

The 2026 San Sebastián Marathon will be held on Sunday November 22, 2026.

Is the San Sebastián Marathon a Boston Marathon Qualifier?

Yes, the San Sebastián Marathon is an official Boston Marathon qualifier.

What is the time limit for the San Sebastián Marathon?

The time limit for the San Sebastián Marathon is 5 hours.

What will the weather be like for the 2026 San Sebastián Marathon?

The forecast calls for a high of 54°F and a low of 43°F with a 23% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 3 years of data
Avg Temp
61°F
L:48° H:61°
RunScore
8
Conditions
Rain Freq
0%
0 of 3 yrs
Wind10mph
Dew42°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults

2025 San Sebastián Marathon

Partly cloudy throughout the day with rain clearing later.

2025
cloudy
56°/62°-
8

2023 San Sebastián Marathon

Partly cloudy throughout the day with morning rain.

2023
partly-cloudy-day
38°/53°-
8

2022 San Sebastián Marathon

Cloudy skies throughout the day.

2022
cloudy
51°/67°-
8

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