
SPASM Lake Chabot Trail Run is a running and trail running race on April 24, 2027 in Castro Valley, CA, with entry fees from $60 to $90.
From the Organizer
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.)
Events
Weather
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
67°
Typical Low
50°
Chance of Rain
17%
Based on US Climate Normals data from Hayward Air Terminal, 5 mi from the venue.
Host City
City Elevation
393 ft
Nearest Airport
OAK
San Francisco Bay Oakland International Airport · 9 mi
Time Zone
Pacific Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Race Location
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at SPASM Lake Chabot Trail Run, put it on the calendar, and turn “someday” into a start date.
275
Days to train
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From Endurance Grid
This race spans more than one sport — here’s a guide to each, so you can understand what’s involved and decide if it’s the right fit. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Running off-road — dirt, singletrack, and mountain paths — from 5Ks to ultras. The terrain makes for an exciting twist and adventure in your running journey.
Coming Up
Summer Breeze
6 miles away
Beer City Half™ Bishop Ranch
7 miles away
Rocky Ridge
6 miles away
10K On The Bay
7 miles away
Plan your trip
Coming from out of town? There's more to Castro Valley than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.
Plan your trip to Castro ValleyFrequently Asked Questions (FAQs)
SPASM Lake Chabot Trail Run
Apr 24, 2027