Acorn Creek Trail Run
Oct 24Pilot Hill, CAHalf Marathon, 10K
8 mi from NorCal Backyard Ultra, similar trail technicality to NorCal Backyard Ultra, registration open
Backyard UltraRegistration open
NorCal Backyard Ultra
- Backyard Ultra entry
- $130
- Aid stations
- 1
- Day to go
- 1
At a glance
- Date
- Oct 23–24, 2026
- Location
- Granite Bay, California
- Distances
- Backyard Ultra
- Elevation gain
- 320 ft
- Aid stations
- 1, 1 with crew access
- Registration
- Open until Oct 22, 2026, via ultrasignup.com
Listed from UltraSignup. Checked Oct 22, 2026.
Plan this race for free
1 aid stations are already loaded. Add cutoffs, pacing and the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAbout this race
The NorCal Backyard Ultra is a "Last Person Standing" endurance event held at Beals Point, Folsom Lake, where runners complete a 4.16-mile loop every hour until only one remains. A "Mini" 12-hour variant is also offered for runners seeking up to 50 miles within daylight hours.
Key dates
Early ends
Jun 30, 2026
Registration closes
Oct 22, 2026
Race day
Oct 23, 2026
Pricing
Last Person Standing
After Jun 30
$190
Mini Last Person Standing
After Jun 30
$130
Email me updates about NorCal Backyard Ultra
Registration openings and major changes, like a new date or a cancellation.
Aid stations
1| Station | Distance | Crew | Drop bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Beals Point Start/Finish Aid Station Fully stocked aid station at the start/finish line under a warm tent. Runners are also encouraged to set up their own personal aid station area nearby. No on-course aid stations exist; crew aid on course is not permitted. | 0.00 miles | -- | waterhydration mixlight snackswarm food |
Entry transfers
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
Similar races
Ferris 50
Nov 7Minden, NV50 mi, 50K +1
81 mi from NorCal Backyard Ultra, similar trail technicality to NorCal Backyard Ultra, registration open
Lake Chabot Trail Run
Nov 7Castro Valley, CA50K, Marathon +4
85 mi from NorCal Backyard Ultra, similar trail technicality to NorCal Backyard Ultra, registration open
ZombieRunner Quarry Lakes
Nov 14Fremont, CAHalf Marathon, 10K +1
93 mi from NorCal Backyard Ultra, similar trail technicality to NorCal Backyard Ultra, registration open
Straight-line distance
More Races in California
All races in CaliforniaWeekend at Burney
Oct 22Burney, CA48 hr, 24 hr +2
San Diego 200
Oct 23Escondido, CA200 mi
Acorn Creek Trail Run
Oct 24Pilot Hill, CAHalf Marathon, 10K
Frightwood 5K
Oct 24Wrightwood, CA5K
Haunted Corner 5K, 10K Pleasant Hill
Oct 24Pleasant Hill, CA10K, 5K
Island View - Endurance Run
Oct 24Goleta, CA100 mi, 100K +1
No Name Trail Races
Oct 24Agoura, CA50K, Half Marathon +1
Oakland Hills Trail Run
Oct 24Oakland, CA35K, Half Marathon +1
Range of Light Trail Races
Oct 24Bishop, CA50K, 33K +2
The Rubicon
Oct 24Oxbow Reservoir, CA
Trail Run at Sly Park - Fall
Oct 24Pollock Pines, CA50K, Marathon +3
Wildwood Canyon Trail Runs
Oct 24Yucaipa, CA8 hr, 6K
Races Near Auburn
All races near AuburnFolsom Lake Trail Run
Jan 23, 2027Folsom, CA50K, Marathon +5
Outlands Endurance Races
Apr 17, 2027Pilot Hill, CA50 mi, 50K +1
Folsom Lake Sweetwater Trail Run
Jan 23, 2027Folsom, CA38 mi, 50K +6
No Hands Trail Run
Jan 9, 2027Auburn, CA50K, 35K +2
Knickerbocker Canyon Trail Run
Mar 27, 2027Auburn, CA35K, Half Marathon +2
Iron X
Jul 10, 2027Auburn, CAHalf Marathon
Run Hunger Off the Divide 10K/5K Run
Nov 26Cool, CA10K, 5K
The Canyons Endurance Runs™ by UTMB®
Apr 22, 2027Auburn, CA100 mi, 100K +2
Mind Over Mountains
Nov 14Auburn, CA50K, Half Marathon +2
Magnolia Magic River Trail Run
Dec 19Pilot Hill, CA50K, Marathon +4
The Quest! Adventure Run
Mar 13, 2027Auburn, CA12 mi, 6 mi
October Races Nearby
All October racesHaunted Sacramento 5K, 10K
Oct 31Sacramento, CA10K, 5K
Nevada Day Classic
Oct 31Carson City, NV8K, 2 mi
ZombieRunner Halloween
Oct 31San Jose, CAMarathon, Half Marathon +2
Race planning
Plan NorCal Backyard Ultra 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 NorCal Backyard Ultra?
Claim this race to manage registration, volunteers, and race day.