Official race entry
Official entry
Entries open
Recorded Mon, 9 Nov 2026
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USARunningTrail17.9mi · 28.8 km / 17.9 mi50K · 50 km / 31.1 mi5mi · 8 km / 5.0 mi
SPASM Lake Chabot Trail Run
Castro Valley, California · USA
When is the next SPASM Lake Chabot Trail Run?
4 distances · see start times below
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Time limits and cut-offs
Some events have a finishing deadline or intermediate checkpoint cut-offs. These can vary by distance, start wave and edition.
- Marathon · 2027-04-17
- Not yet verified for this edition. Check the official race instructions.
- 5mi · 2027-04-17
- Not yet verified for this edition. Check the official race instructions.
- 50K · 2027-04-17
- Not yet verified for this edition. Check the official race instructions.
- 17.9mi · 2027-04-17
- Not yet verified for this edition. Check the official race instructions.
No official finish time limit has been verified by AthRecs for this edition. This does not mean there is no cut-off.
Check organiser informationNo official finish time limit has been verified by AthRecs for this edition. This does not mean there is no cut-off.
Check organiser informationNo official finish time limit has been verified by AthRecs for this edition. This does not mean there is no cut-off.
Check organiser informationNo official finish time limit has been verified by AthRecs for this edition. This does not mean there is no cut-off.
Check organiser informationAbout SPASM Lake Chabot Trail Run
SPASM Lake Chabot Trail Run is a running event in Castro Valley, California, United States. Recorded disciplines include 17.9mi, 50K, 5mi. The listed surface is trail. The next listed date is Saturday, 17 April 2027. Check the organiser's information for entry and race-day arrangements.
Dates, starts & entry
Times are local to the race. Select the entry route for your distance.
- Entry details
Marathon · 42.2 km / 26.2 mi
Sat, 17 Apr 2027
Starts 08:30 GMT-7
Entries open
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SPASM Lake Chabot Trail Run · Marathon · 42.2 km / 26.2 mi
2027-04-17 · 08:30 (America/Los_Angeles)
Venue / race area: Castro Valley, California, United States
Race websiteStart reminder only; finish time is not confirmed. Adjust the calendar duration if needed.
Google and Outlook open a prepared event for you to save. Apple uses your private AthRecs race subscription. Download a one-off file only if you prefer to import it yourself.
Date, 08:30 start and event "Marathon" (Marathon) confirmed on the organiser's RunSignup entry page for the 2027 edition (checked 2026-11-09). Local time America/Los_Angeles.
Edition source - Entry details
5mi · 8 km / 5.0 mi
Sat, 17 Apr 2027
Starts 08:45 GMT-7
Entries open
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SPASM Lake Chabot Trail Run · 5mi · 8 km / 5.0 mi
2027-04-17 · 08:45 (America/Los_Angeles)
Venue / race area: Castro Valley, California, United States
Race websiteStart reminder only; finish time is not confirmed. Adjust the calendar duration if needed.
Google and Outlook open a prepared event for you to save. Apple uses your private AthRecs race subscription. Download a one-off file only if you prefer to import it yourself.
Date, 08:45 start and event "8K" (5mi) confirmed on the organiser's RunSignup entry page for the 2027 edition (checked 2026-11-09). Local time America/Los_Angeles.
Edition source - Entry details
50K · 50 km / 31.1 mi
Sat, 17 Apr 2027
Starts 08:30 GMT-7
Entries open
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SPASM Lake Chabot Trail Run · 50K · 50 km / 31.1 mi
2027-04-17 · 08:30 (America/Los_Angeles)
Venue / race area: Castro Valley, California, United States
Race websiteStart reminder only; finish time is not confirmed. Adjust the calendar duration if needed.
Google and Outlook open a prepared event for you to save. Apple uses your private AthRecs race subscription. Download a one-off file only if you prefer to import it yourself.
Date, 08:30 start and event "50K" (50K) confirmed on the organiser's RunSignup entry page for the 2027 edition (checked 2026-11-09). Local time America/Los_Angeles.
Edition source - Entry details
17.9mi · 28.8 km / 17.9 mi
Sat, 17 Apr 2027
Starts 08:30 GMT-7
Entries open
Add to calendar
SPASM Lake Chabot Trail Run · 17.9mi · 28.8 km / 17.9 mi
2027-04-17 · 08:30 (America/Los_Angeles)
Venue / race area: Castro Valley, California, United States
Race websiteStart reminder only; finish time is not confirmed. Adjust the calendar duration if needed.
Google and Outlook open a prepared event for you to save. Apple uses your private AthRecs race subscription. Download a one-off file only if you prefer to import it yourself.
Date, 08:30 start and event "30K" (17.9mi) confirmed on the organiser's RunSignup entry page for the 2027 edition (checked 2026-11-09). Local time America/Los_Angeles.
Edition source
Location & race day
Listed venue / area
Castro Valley, CaliforniaUSA
Confirm the exact start line, parking and arrival instructions with the organiser. A listed town or postcode may cover a wider area.
About the race
SPASM Lake Chabot Trail Run takes place in Castro Valley, California. Its 2027 entry page on RunSignup lists: 8K, Half Marathon, 30K, Marathon, 50K.
- Surface:
- Trail
Ways to enter
Compare the listed booking routes. Verified links show when they were checked.
Sat, 17 Apr 2027
Third-party prices, booking fees, allocations and refund terms can differ. Confirm the final details with the provider before paying.
Race questions
When is the next event?
The next listed date for SPASM Lake Chabot Trail Run is 17 April 2027.
Where is it held?
SPASM Lake Chabot Trail Run is listed in Castro Valley, California, United States. Check the event's race-day instructions for the exact start location.
Which distances are listed?
The programme listed for 17 April 2027 includes Marathon, 5mi, 50K, 17.9mi.
What time does it start?
Listed starts for 17 April 2027: Marathon: 08:30 GMT-7; 5mi: 08:45 GMT-7; 50K: 08:30 GMT-7; 17.9mi: 08:30 GMT-7. Times are local to the race venue. Follow the start or wave assigned to your entry.
How do I enter?
Use the listed entry options for your distance. Check the entry page for current availability, eligibility and deadlines.
Entry detailsResults
Results have yet to be added for this race.
Past races
None listed yet.
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