Cookie Run 5K/10K/13.1 SAN FRANCISCO
Oct 10San Mateo, CAHalf Marathon, 10K +2
Half Marathon, 4 weeks before race day, 19 mi away, registration open
50KMarathon30KHalf Marathon8K5KRegistration open
Lake Chabot Trail Run
Castro Valley, California568 spots
- Entry from
- $25
- Days to go
- 32
At a glance
- Date
- Nov 7, 2026
- Location
- Castro Valley, California
- Distances
- 50K, Marathon, 30K, Half Marathon, 8K, 5K
- Registration
- Registration open until Nov 7, 2026, via runsignup.com
- Official site
- runsignup.com
- Listed from
- RunSignUp
- Last checked
- Oct 3, 2026
Plan this race for free
Aid stations, cutoffs and pacing in one plan, with the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAbout this race
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.)
Key dates
Registration opens
Dec 23, 2025
Standard ends
Oct 31, 2026
Tier 1 ends
Nov 1, 2026
Tier 2 ends
Nov 6, 2026
Registration closes
Nov 7, 2026
Race day
Nov 7, 2026
Tier 3 ends
Nov 7, 2026
Pricing
50K
Tier 1, then $100 from Nov 1, 2026
$90
Marathon
Tier 1, then $90 from Nov 1, 2026
$80
30K
Tier 1, then $85 from Nov 1, 2026
$75
Half Marathon
Tier 1, then $80 from Nov 1, 2026
$70
8K
Tier 1, then $70 from Nov 1, 2026
$60
5K
Standard, until Oct 31, 2026
$25
Email me updates about Lake Chabot Trail Run
Registration openings and major changes, like a new date or a cancellation.
Entry transfers
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
Tune-up races
Reservoir Dogs
Oct 10El Sobrante, CA35K, Half Marathon +2
Half Marathon, 4 weeks before race day, 22 mi away
Coffee Lovers Run 5K/10K/13.1 SAN FRANCISCO
Oct 10San Mateo, CAHalf Marathon, 10K +2
Half Marathon, 4 weeks before race day, 21 mi away, registration open
Coffee Lovers Run 5K/10K/13.1 SACRAMENTO
Oct 10Sacramento, CAHalf Marathon, 10K +2
Half Marathon, 4 weeks before race day, 68 mi away, registration open
Straight-line distance
Similar races
Quad Dipsea
Nov 28Mill Valley, CA28.4 mi
Also 50K, 29 mi from Lake Chabot Trail Run, registration open
The Big Alta
Mar 19, 2027Marinwood, CA50K
Also 50K, 34 mi from Lake Chabot Trail Run, registration open
Sunset & Cider Trail Races
Oct 10Auburn, CA50K, 13 mi +1
Also 50K, 98 mi from Lake Chabot Trail Run, registration open
Straight-line distance
More 50K Races in California
All 50K Races in CaliforniaHOKA Kodiak Ultra Marathons by UTMB
Oct 8Big Bear Lake, CA100 mi, 100K +2
Sunset & Cider Trail Races
Oct 10Auburn, CA50K, 13 mi +1
That's No Moon Trail Races
Oct 10Silverado, CA50 mi, 50K +1
Bizz Johnson
Oct 11Susanville, CA50K, Marathon +2
Lake Hodges Trail Festival
Oct 17San Diego, CA50K, 23 mi +4
The Jackalope Lope
Oct 17Redding, CA50K, 20 mi +1
The Peak 50K, Marathon & Half Marathon
Oct 17Julian, CA50K, Marathon +1
Island View - Endurance Run
Oct 24Goleta, CA100 mi, 100K +1
No Name Trail Races
Oct 24Agoura, CA50K, Half Marathon +1
Range of Light Trail Races
Oct 24Bishop, CA50K, 33K +2
Trail Run at Sly Park - Fall
Oct 24Pollock Pines, CA50K, Marathon +5
Caspers Trail Races
Oct 31San Juan Capistrano, CA50K, Marathon +3
Races Near San Francisco
All races near San FranciscoChabot/Redtail Ridge Trail Run
Feb 20, 2027Castro Valley, CA50K, 35K +3
Skyline 50k Endurance Run
Aug 1, 2027Castro Valley, CA50K, 21K
Oakland Hills Trail Run
Oct 24Oakland, CA35K, Half Marathon +1
ZombieRunner Quarry Lakes
Nov 14Fremont, CAHalf Marathon, 10K +1
Oakland Tech 5km/1 mile Race/Run/Walk Fundraiser
Nov 1Oakland, CA5K, 1 mi
Bay Area 100
Jun 12, 2027Berkeley, CA100 mi
Nomadic 5K Trail Run
Nov 14Walnut Creek, CA
Haunted Corner 5K, 10K Pleasant Hill
Oct 24Pleasant Hill, CA10K, 5K
Holiday Hustle 5K, 10K Livermore
Dec 12Livermore, CA10K, 5K
Mountain Tiger Diablo
Oct 10Clayton, CA12 mi
Hunter S. Thompson Fear & Loathing
Dec 6San Francisco, CA50 mi, 50K
Woodside Ramble
Dec 19Redwood City, CA50K, 35K +2
November Races Nearby
All November racesMt. Tam Trail Run
Nov 7Stinson Beach, CA50K, 30K +2
Go Wild! Santa Cruz 2 Hr, 4 Hr
Nov 14Santa Cruz, CA4 hr, 2 hr
Mind Over Mountains
Nov 14Auburn, CA50K, Half Marathon +2
Run Hunger Off the Divide 10K/5K Run
Nov 26Cool, CA10K, 5K
Quad Dipsea
Nov 28Mill Valley, CA28.4 mi
Race planning
Plan Lake Chabot Trail Run with Crewable
Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.
Build my planAre you the race director for Lake Chabot Trail Run?
Claim this race to manage registration, volunteers, and race day.