Lake Chabot Trail Marathon

Castro Valley, CA, USANovember 7, 2026
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Race Day Weather

partly-cloudy-day
52°
66° high
Breezy
Dry

Cool start, steady conditions ahead

Runners will face temperatures starting at 58°F and rising to 66°F, with an average humidity of 58% and a dew point of 46°F. Wind will be a light headwind throughout, peaking at 9 mph with gusts up to 32 mph. Runners should maintain their pace early and stay hydrated as conditions remain comfortable.

Race day forecast available in 219 days
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The course starts at the Marina and travels around the popular Lake Chabot reservoir and surrounding hills. Great course for first-time trail runners! Source

Area Map

Course Map

FAQ

When is the 2026 Lake Chabot Trail Marathon?

The 2026 Lake Chabot Trail Marathon will be held on Saturday November 7, 2026.

What is the time limit for the Lake Chabot Trail Marathon?

The time limit for the Lake Chabot Trail Marathon is 8.5 hours.

What will the weather be like for the 2026 Lake Chabot Trail Marathon?

The forecast calls for a high of 66°F and a low of 52°F with a 0% chance of rain.

Historical Weather

Based on 3 years of data
Avg Temp
62°F
L:57° H:69°
RunScore
8
Conditions
Rain Freq
0%
0 of 3 yrs
Wind9mph
Dew50°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
clear-day
59°/74°-
8
2024
clear-day
52°/61°-
9
2023
partly-cloudy-day
61°/72°-
8