San Francisco Marathon

San Francisco, CA, USA · July 25, 2027

58°·67° high·Light·Dry

Weather

Race Day Weather

58°at start

73° high

Light

Dry

Comfortable temps, strategic pacing needed

Runners will face temperatures rising from 58°F to a peak of 69°F, coupled with high humidity at 76%. A light headwind will affect pacing from miles 2 to 5 and again at miles 11 and 12. To optimize performance, runners should start conservatively and focus on hydration, especially during the climbs at miles 7 and 12.

Race day forecast available in 271 days

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Distance: 26.2mi

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Race Info

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

Website

FAQ

When is the 2027 San Francisco Marathon?

The 2027 San Francisco Marathon will be held on Sunday July 25, 2027.

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.

What will the weather be like for the 2027 San Francisco Marathon?

The forecast calls for a high of 73°F and a low of 58°F with a 0% chance of rain.

Historical Weather

Based on 26 years of data

Avg Temp

65°F

L:58° H:65°

RunScore

Conditions

Rain Freq

0 of 26 yrs

Wind9mph

Dew55°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 San Francisco Marathon Partly cloudy throughout the day. 2026	60°/63°	-	56°
2025 San Francisco Marathon Cloudy skies throughout the day. 2025	58°/61°	-	55°
2024 San Francisco Marathon Clearing in the afternoon. 2024	59°/65°	-	54°
2023 San Francisco Marathon Partly cloudy throughout the day. 2023	60°/67°	-	55°
2022 San Francisco Marathon Clearing in the afternoon. 2022	56°/64°	-	53°
2021 San Francisco Marathon Partly cloudy throughout the day. 2021	61°/68°	-	57°
2019 San Francisco Marathon Clear conditions throughout the day. 2019	60°/74°	-	56°
2018 San Francisco Marathon Partly cloudy throughout the day. 2018	55°/61°	-	52°
2017 San Francisco Marathon Partly cloudy throughout the day. 2017	59°/69°	-	55°
2016 San Francisco Marathon Clearing in the afternoon. 2016	58°/66°	-	54°
2015 San Francisco Marathon Clearing in the afternoon. 2015	61°/67°	-	56°
2014 San Francisco Marathon Partly cloudy throughout the day. 2014	63°/72°	-	58°
2013 San Francisco Marathon Partly cloudy throughout the day. 2013	54°/61°	-	51°
2012 San Francisco Marathon Clearing in the afternoon. 2012	55°/60°	-	52°
2011 San Francisco Marathon Partly cloudy throughout the day. 2011	60°/65°	-	53°
2010 San Francisco Marathon Clearing in the afternoon. 2010	56°/60°	-	51°
2009 San Francisco Marathon Partly cloudy throughout the day. 2009	54°/60°	-	52°
2008 San Francisco Marathon Clearing in the afternoon. 2008	56°/61°	-	51°
2007 San Francisco Marathon Partly cloudy throughout the day. 2007	57°/63°	-	53°
2006 San Francisco Marathon Partly cloudy throughout the day. 2006	60°/68°	-	56°
2005 San Francisco Marathon Clearing in the afternoon. 2005	56°/64°	-	55°
2004 San Francisco Marathon Partly cloudy throughout the day. 2004	59°/62°	-	56°
2003 San Francisco Marathon Partly cloudy throughout the day. 2003	56°/68°	-	55°
2002 San Francisco Marathon Partly cloudy throughout the day. 2002	59°/70°	-	55°
2001 San Francisco Marathon Partly cloudy throughout the day. 2001	57°/65°	-	55°
2000 San Francisco Marathon Clearing in the afternoon. 2000	55°/65°	-	53°

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