San Francisco Marathon

San Francisco, CA, USAJuly 26, 2026
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Race Day Weather

partly-cloudy-day
58°
70° high
Windy
Dry

Cool start, rising temps ahead

Runners will face a temperature increase from 58°F at the start to a peak of 69°F, with average humidity at 75%. Winds will be predominantly headwind from miles 1-9 and 15, shifting to a tailwind from miles 16-24, aiding the final stretch. Given the humidity, runners should adjust their pace conservatively, especially during the early hills and prepare for hydration in the latter miles.

Race day forecast available in 122 days
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Pace Calculator

Distance: 26.2mi
0:00:00
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Weather Adj.
Common Goals:

The San Francisco Marathon is an annual USATF-certified road running event held in San Francisco, California, that includes a full marathon, two half marathons, an ultramarathon, a 10k, and a 5K. With the exceptions of 1988 and 2020, the marathon has been held annually since 1977. The marathon starts and finishes on the Embarcadero near the Ferry Building and crosses the Golden Gate Bridge. It is a qualifying race for the Boston Marathon. Wikipedia

FAQ

When is the 2026 San Francisco Marathon?

The 2026 San Francisco Marathon will be held on Sunday July 26, 2026.

Is the San Francisco Marathon a Boston Marathon Qualifier?

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

What is the time limit for the San Francisco Marathon?

The time limit for the San Francisco Marathon is 6 hours.

Historical Weather

Based on 25 years of data
Avg Temp
65°F
L:58° H:65°
RunScore
8
Conditions
Rain Freq
0%
0 of 25 yrs
Wind9mph
Dew55°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
cloudy
58°/61°-
9
2024
cloudy
58°/65°-
9
2023
partly-cloudy-night
60°/67°-
8
2022
cloudy
56°/64°-
9
2021
partly-cloudy-night
61°/68°-
9
2019
clear-night
60°/73°-
9
2018
cloudy
55°/61°-
9
2017
partly-cloudy-night
59°/68°-
9
2016
cloudy
58°/66°-
9
2015
cloudy
61°/68°-
9
2014
partly-cloudy-night
63°/73°-
9
2013
partly-cloudy-day
53°/61°-
8
2012
cloudy
55°/60°-
9
2011
cloudy
60°/65°-
9
2010
cloudy
56°/60°-
9
2009
cloudy
54°/61°-
9
2008
partly-cloudy-night
56°/61°-
8
2007
partly-cloudy-night
57°/63°-
8
2006
partly-cloudy-night
60°/68°-
9
2005
partly-cloudy-night
56°/65°-
9
2004
cloudy
59°/62°-
9
2003
partly-cloudy-night
56°/68°-
9
2002
partly-cloudy-night
59°/70°-
9
2001
partly-cloudy-day
57°/65°-
9
2000
partly-cloudy-day
55°/65°-
9