Prince William Forest, VA, United States · Saturday, October 24, 2026

Fixed Distance 50K

PB&J Fat Ass 50K

24 days to go

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.

38.7915° N, 77.4571° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~33 Small. Long stretches with nobody in sight.

DUV results for the 2025 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, October

Daytime high 20°C

Night low 8°C

Rainfall Showers likely

Daylight 10 h 54 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 121 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50km	33	Tim Malloy · 04:36:00	Lilly Lupinetti · 06:24:00
2024	50km	29	Paul Jacobs · 04:12:00	Jade Graham · 05:42:00
2023	50km	39	Nicholas Su · 05:13:00	Stephanie Hill · 05:25:43
2022	50km	32	Christopher Moore · 04:58:00	Jennifer Cortesi · 06:24:00
2021	50km	41	Daniel Fogg · 04:44:00	Heather Dougherty · 06:20:00
2020	50km	31	Dirk Schulze · 04:14:00	Stephanie Hill · 04:53:00
2019	50km	63	Marcus Penner · 04:53:00	Carolyn Cohen · 05:45:00
2018	50km	55	William Adams · 04:25:00	Rachel Viger · 05:27:00
2017	50km	51	Daniel Fogg · 04:04:00	Krista Offield · 04:57:00
2016	50km	38	Justin Contois · 04:36:00	Lara Zoeller · 05:48:00

The field grew 14% between 2024 (29) and 2025 (33). 12% of the 2025 field were women.

DUV results for the 2025 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

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