Presidio Half Marathon

San Francisco, CA, USA · June 20, 2027

59°·63° high·Light·Dry

Weather

Presidio Half Marathon race day weather

59°at start

71° high

Breezy

Dry

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Mild temps, light winds

Runners will face a temperature trend starting at 59°F and rising to 63°F. Wind will be light from the W, with gusts reaching 21 mph, but not significant enough to impact pacing. With humidity at 64%, runners should stay hydrated and consider adjusting their pace slightly to maintain comfort.

Race day forecast available in 204 days

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Distance: 13.1mi

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About the Presidio Half Marathon

The Presidio Half Marathon is an annual road and trail race in San Francisco, California, starting and finishing at Crissy Field. The course runs into the Presidio and crosses the Golden Gate Bridge before returning to the start. The event also includes 10K and 5K distances. It began as the Presidio 10, a 10-mile race held in spring, before being restructured into a half marathon and shifted to a June date starting in 2024.

Website

Race weekend

Sunday, June 20

8:30 AM10K (6.2 mi)

9:00 AM5K (3.1 mi)

Course Map

Presidio Half Marathon FAQ

When is the 2027 Presidio Half Marathon?

The 2027 Presidio Half Marathon will be held on Sunday June 20, 2027.

What is the time limit for the Presidio Half Marathon?

The time limit for the Presidio Half Marathon is 4 hours.

What will the weather be like for the 2027 Presidio Half Marathon?

The forecast calls for a high of 71°F and a low of 54°F with a 0% chance of rain.

What is the weather usually like for the Presidio Half Marathon?

Over the 6 years racecast.io has race-day weather for (2021 to 2026), it averaged 57°F at the start and 60°F by a typical finish. Rain fell during race hours in 1 of those years (2022).

What was the hottest Presidio Half Marathon?

Of the 6 years on record, 2024 was the warmest, reaching 63°F during race hours. The coldest start was 2023, at 51°F.

What was the windiest Presidio Half Marathon?

Of the 6 years on record, 2022 was the windiest, with wind averaging 11 mph during race hours. The calmest was 2026, at 6 mph.

Presidio Half Marathon weather history

Based on 6 years of data

Avg Temp

58°F

L:57° H:60°

RunScore

Conditions

Rain Freq

17%

1 of 6 yrs

Wind8mph

Dew51°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Presidio Half Marathon Partly cloudy throughout the day. 2026	58°/60°	-	53°
2025 Presidio Half Marathon Clear conditions throughout the day. 2025	58°/63°	-	50°
2024 Presidio Half Marathon Clear conditions throughout the day. 2024	58°/63°	-	54°
2023 Presidio Half Marathon Partly cloudy throughout the day. 2023	51°/55°	-	41°
2022 Presidio Half Marathon Partly cloudy throughout the day with rain clearing later. 2022	56°/57°	Light	54°
2021 Presidio Half Marathon Partly cloudy throughout the day. 2021	61°/62°	-	54°