Folsom Lake Trail Run - Spring 50K

Race completed

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.

38.6780° N, 121.1761° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 8 hours 9:36 min/km average. Comfortable. Room to walk the climbs and stop at aid. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Tighter than 89% of 50K races. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~35 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, May

Daytime high 26°C

Night low 10°C

Rainfall Dry — rain unlikely

Daylight 13 h 49 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 128 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	50km	35	Tim Larson · 04:43:13	Jessy Herring · 04:13:44
2025	50km	57	Clayton Hall · 04:37:01	Andrea Deutsche · 04:51:27
2024	50km	46	Michael Borsuk · 04:53:36	Ashley Silva · 04:37:47
2023	50km	43	Jayson Hefner · 03:44:46	Alexandra Tinsley · 04:57:37
2022	50km	49	Rene Dorantes Ocampo · 03:51:13	Beckie Newell · 05:45:28
2019	50km	47	Charles Hofacker · 04:33:08	Jenny Comiskey · 04:14:14
2018	50km	50	Alexander King · 03:55:48	Kerry Gluchowski · 04:58:31
2017	50km	47	Daniel Roy · 04:14:27	Lauren Evans · 04:17:55
2016	50km	54	Matthew Morales · 03:53:26	Laura Pelaez · 05:32:38
2015	50km	41	Christopher Vizcaino · 03:30:58	Sarah Johnston · 04:40:46

The field shrank 39% between 2025 (57) and 2026 (35). 23% 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.

Adidas

Terrex Speed Ultra

RunRepeat found the Adidas Terrex Speed Ultra to have a grippy outsole and great lockdown, while iRunFar noted that the shoe works on a variety of trail conditi…

★★★★★ 4.5

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

Spring Energy