Lake Chabot Trail Marathon

Castro Valley, CA, USA · November 7, 2026
clear-day57°·72° high·Calm·Dry
8
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Race Day Weather

clear-day
57°at start
72° high
Calm
Dry

Comfortable day, steady pace

Runners will face a temperature rise from 58°F at the start to 69°F by midday, with a light breeze from the north. Humidity will be moderate at 49% with a dew point of 45°F, making conditions pleasant. Runners should maintain a steady pace throughout, as wind will be a non-factor.

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Pace Calculator

Distance: 26.2mi
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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 72°F and a low of 53°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