

Lake Chabot Trail Run
Lake Chabot Trail Run offers a scenic loop around a reservoir, ideal for new trail runners.
Race Date
Nov 7, 2026
Location
Castro Valley, CA
Quick facts
- Date
- Saturday, November 7, 2026
- Location
- Castro Valley, California
- Distance
- Half marathon (13.1 mi) + 4.8 Miles, 30K, 26.2 Miles, 50K, 3.1 Miles
- Course
- Loop Course
- Terrain
- Road
- USATF certified
- Not listed
- Finishers on record
- 562
Highlights
Good For
Atmosphere
Course
The Experience
The Lake Chabot Trail Run, held annually around the reservoir near Castro Valley, CA, provides a welcoming environment for runners of all levels. This event, now in its fourth year, offers a unique opportunity to explore the scenic beauty of Lake Chabot.
The course is designed as a loop, starting at the Marina and winding around the reservoir. While described as being around surrounding hills, the elevation gain and loss are minimal, making it an excellent choice for those new to trail running or seeking a forgiving race. Distances are accurately measured, ensuring a reliable race experience.
With a median field size of around 142 finishers and a growing trend, the race fosters a sense of community. Typically drawing participants from about four states, it’s a local gem that appeals to those looking for a straightforward, scenic run with a T-shirt as a giveaway.
Race-provided description
The course starts at the Marina and travels around the popular Lake Chabot reservoir and surrounding hills. Great course for first-time trail runners! (Distances are accurately measured using a Rolatape® surveyor's measuring wheel.)
Logistics
Race Day
Saturday, November 7, 2026
Start Time
8:30 AM
Giveaway
T-Shirt
Start Location
Lake Chabot Regional Park - Marina, Castro Valley, CA, 94546
Course Info
Course Type
Loop Course
Terrain
road
Scenery
Lake River, Park
Difficulty
Ultra-Flat
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Course Map
View Course Map
Open on AllTrails
4 other maps for this race
Quality Score
Solid Pick494 years running
~142 finishers a year
growing or steady
5% returning runners
3 timing sources
runners from 4 states
winner 1:21:57
typical high 64°F
Race Day Weather
5-year historical avgStart (Low)
50°
Afternoon (High)
64°
Pleasant conditions — light layers at start, comfortable by finish
0.1"
Precipitation
10 mph
Wind
76%
Humidity
Historical Finish Times
How 562 finishers actually crossed the line across 4 years.
Most recent
2025
Total finishers
562
Median time
2:37:27
Latest turnout
155
States
12
Turnout by year
2022–2025
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the Lake Chabot Trail Run?
The Lake Chabot Trail Run is held on Saturday, November 7, 2026, starting at 8:30 AM.
Where does the Lake Chabot Trail Run take place?
It takes place in Castro Valley, California.
What distances does the Lake Chabot Trail Run offer?
The half marathon (13.1 miles), plus 4.8 Miles, 30K, 26.2 Miles, 50K, 3.1 Miles.
Is the Lake Chabot Trail Run course flat and good for a PR?
The Lake Chabot Trail Run is a ultra-flat, loop course course.
How many people run the Lake Chabot Trail Run?
HalfRuns has finish records for 562 runners who have completed the Lake Chabot Trail Run.
HalfRuns editorial — independent, no paid placement.
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