Runners will face temperatures rising from 54°F at the start to a peak of 67°F. With a max wind of 13 mph from the NW, runners should be prepared for a light headwind. Given the humidity at 72%, pacing adjustments are recommended as the race progresses, especially in the warmer segments.

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Distance: 26.2mi

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About the Big Sur Trail Marathon

The Big Sur Trail Marathon is a challenging 26.2-mile race along the Old Coast Road in Big Sur, California. Runners traverse a dirt path with significant elevation changes, offering breathtaking views of the Pacific coastline. The event is limited to 300 participants and typically sells out each year.

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Race weekend

Saturday, September 26

9:00 AMHalf Marathon (13.1 mi)

9:00 AM5 Mile (5.0 mi)

Course Map

Big Sur Trail Marathon FAQ

When is the 2026 Big Sur Trail Marathon?

The 2026 Big Sur Trail Marathon will be held on Saturday September 26, 2026.

Is the Big Sur Trail Marathon a Boston Marathon Qualifier?

No, the Big Sur Trail Marathon is NOT a Boston Marathon qualifier.

What is the time limit for the Big Sur Trail Marathon?

The time limit for the Big Sur Trail Marathon is 6.5 hours.

What will the weather be like for the 2026 Big Sur Trail Marathon?

The forecast calls for a high of 67°F and a low of 54°F with a 0% chance of rain.

What is the weather usually like for the Big Sur Trail Marathon?

Over the 14 years racecast.io has race-day weather for (2009 to 2026), it averaged 59°F at the start and 69°F by a typical finish. It has not rained during race hours in any of those years.

What was the hottest Big Sur Trail Marathon?

Of the 14 years on record, 2010 was the warmest, reaching 81°F during race hours. The coldest start was 2018, at 53°F.

What was the windiest Big Sur Trail Marathon?

Of the 14 years on record, 2019 was the windiest, with wind averaging 13 mph during race hours. The calmest was 2025, at 3 mph.

Big Sur Trail Marathon weather history

Based on 14 years of data

Avg Temp

65°F

L:59° H:69°

RunScore

Conditions

Rain Freq

0 of 14 yrs

Wind6mph

Dew51°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Big Sur Trail Marathon Partly cloudy throughout the day. 2026	58°/66°	-	52°
2025 Big Sur Trail Marathon Cloudy skies throughout the day. 2025	61°/65°	-	58°
2024 Big Sur Trail Marathon Partly cloudy throughout the day. 2024	54°/65°	-	54°
2023 Big Sur Trail Marathon Cloudy skies throughout the day with early morning rain. 2023	58°/60°	-	53°
2022 Big Sur Trail Marathon Partly cloudy throughout the day. 2022	55°/69°	-	53°
2021 Big Sur Trail Marathon Partly cloudy throughout the day. 2021	55°/70°	-	49°
2019 Big Sur Trail Marathon Partly cloudy throughout the day. 2019	60°/66°	-	48°
2018 Big Sur Trail Marathon Partly cloudy throughout the day. 2018	53°/61°	-	53°
2017 Big Sur Trail Marathon Clear conditions throughout the day. 2017	59°/71°	-	48°
2015 Big Sur Trail Marathon Clear conditions throughout the day. 2015	62°/71°	-	58°
2014 Big Sur Trail Marathon Partly cloudy throughout the day. 2014	64°/67°	-	55°
2013 Big Sur Trail Marathon Clear conditions throughout the day. 2013	62°/73°	-	39°
2010 Big Sur Trail Marathon Clear conditions throughout the day. 2010	69°/81°	-	49°
2009 Big Sur Trail Marathon Clear conditions throughout the day. 2009	59°/75°	-	51°

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