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 morning, steady conditions

Runners will face temperatures starting at 58°F and peaking at 66°F. Winds will be light at 9 mph from the WSW, with occasional gusts up to 32 mph. With humidity at 58%, it’s advisable to maintain a steady pace throughout and stay hydrated, especially as temperatures rise.

Race day forecast available in 224 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.

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