Oakland, CA, United States · Saturday, June 5, 2027

Fixed Distance 50K

Cinderella 50 km Spring Trail Run

246 days away

50 km Distance

not publishedn/a Climbing

2.5 est Grit · Entry level

Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.

37.8044° N, 122.2708° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 9 hours 10:48 min/km average. Generous. Walkable throughout for most of the field. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Tighter than 71% of 50K races. Measured against 1035 races of the same distance. Cut-off calculator →

Field size ~28 Small. Long stretches with nobody in sight.

DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, June

Daytime high 21°C

Night low 11°C

Rainfall Dry — rain unlikely

Daylight 14 h 39 m of light

Regional 2001-2020 average for June — NASA POWER, grid elevation 87 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	50km	28	Bryan Botma · 05:01:18	Jana Peale · 06:32:33
2025	50km	23	Marc Solkov · 04:45:00	Jasmine Fuller · 07:29:37
2024	50km	26	Adam Wolf · 05:00:01	Hunter Tays · 07:08:45
2023	50km	23	Luke Masefield · 04:32:09	Alexandra Darmon · 05:12:27
2022	50km	14	Ralf Ostmann · 05:57:54	Sunduk Kim · 06:02:02
2019	50km	22	Daniel Kono · 04:40:08	Rachel Stevenson · 06:14:11
2018	50km	19	Paul Nolan · 05:25:43	Christina Archer · 06:31:55
2017	50km	16	Vhusomuzi Sukuta · 05:29:26	Carmen Pedraza · 06:00:35
2016	50km	20	Lance Doherty · 04:33:41	Christy Bentivoglio · 06:50:02
2015	50km	17	Bob Shebest · 04:07:59	Evelyn Cordner · 05:26:20

The field grew 22% between 2025 (23) and 2026 (28). 32% of the 2026 field were women.

DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

The Aid Station

Course-specific beta from the community

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 50 km of trail.

Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 50 km, without the bounce.
GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Maurten