San Francisco Marathon

San Francisco, CA, USA · July 25, 2027
partly-cloudy-day58°·62° high·Calm·Dry
7
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Race Day Weather

partly-cloudy-day
58°at start
73° high
Light
Dry
Your goal
0:00:00

Warm day, adjust pace wisely

Runners will face a temperature rise from 58°F at the start to 69°F by the finish, with high humidity at 76%. A light headwind will affect pacing from miles 2-5 and 11, while tailwinds will assist from mile 10 onward. Runners should consider starting conservatively to manage the heat and humidity, especially through the climbs at mile 7 and mile 12.

Race day forecast available in 275 days
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partly-cloudy-day7
partly-cloudy-day6
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clear-day5
clear-day5
clear-day4
clear-day4

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 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

Race weekend

Sunday, July 25
5:15 AMMarathon (26.2 mi)
Half Marathon (13.1 mi)
5K (3.1 mi)

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
59°F
L:58° H:61°
RunScore
7
Conditions
Rain Freq
0%
0 of 26 yrs
Wind7mph
Dew54°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
partly-cloudy-night
60°/62°-
6
2025
cloudy
58°/59°-
7
2024
cloudy
59°/61°-
7
2023
partly-cloudy-night
60°/65°-
6
2022
partly-cloudy-night
56°/60°-
8
2021
cloudy
61°/64°-
6
2019
clear-night
60°/68°-
6
2018
partly-cloudy-night
55°/58°-
8
2017
partly-cloudy-night
59°/67°-
7
2016
cloudy
58°/61°-
7
2015
partly-cloudy-night
61°/64°-
6
2014
partly-cloudy-night
62°/65°-
6
2013
partly-cloudy-night
54°/58°-
8
2012
cloudy
55°/57°-
8
2011
cloudy
60°/62°-
7
2010
cloudy
55°/57°-
8
2009
cloudy
54°/56°-
8
2008
partly-cloudy-night
56°/57°-
8
2007
cloudy
57°/60°-
7
2006
partly-cloudy-night
60°/64°-
7
2005
partly-cloudy-night
56°/59°-
7
2004
cloudy
59°/61°-
7
2003
partly-cloudy-night
56°/63°-
7
2002
partly-cloudy-night
59°/64°-
7
2001
partly-cloudy-night
56°/61°-
7
2000
partly-cloudy-night
54°/61°-
8