Lake Chabot Trail Marathon

Castro Valley, CA, USA · November 7, 2026
partly-cloudy-day55°·67° high·Light·Dry
9
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Race Day Weather

partly-cloudy-day
55°at start
67° high
Light
Dry

Mild temps, light winds

Runners will face a temperature increase from 55°F at the start to a peak of 67°F. With light winds from the NW at 5 mph, conditions remain favorable. Humidity is comfortable at 49%, allowing for steady pacing. Runners should maintain their plan without the need for significant adjustments.

Race day forecast available in 158 days
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Race Info

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 69°F and a low of 50°F with a 4% 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