Wellsboro, PA, United States · Sunday, October 11, 2026

Fixed Distance 50K

Green Monster Trail Challenge 50K

11 days to go

50 km Distance

2,300 m Climbing

5.9 Grit · Challenging

41.7487° N, 77.3005° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 46 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Field size ~46 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 15°C

Night low 4°C

Rainfall Showers likely

Daylight 11 h 21 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 515 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50km	46	Scott Lesh · 05:29:46	Faith Hall · 06:12:31
2024	50km	49	Levi Malone · 05:31:25	Laurel Perrine · 06:50:14
2023	50km	49	Zackary Sanders · 05:30:10	Lara Meloan · 07:08:15
2022	50km	75	Aaron Yost Iles · 05:45:56	Shannon Capps · 05:56:36
2021	50km	66	Ian Nolon · 05:42:53	Rhoda Smoker · 06:38:27
2020	50km	49	Eric Kosek · 05:06:35	Rebecca Kosek · 06:17:53
2019	50km	72	Andrew Rogers · 05:04:20	Sarah Dean · 06:56:08
2018	50km	52	James Weaver · 05:16:03	Diane Grim · 06:42:13
2017	50km	79	Blaise Brochard · 06:00:21	Katherine Fair · 06:31:38
2016	50km	69	David Ryland · 04:35:23	Sayard Tanis · 05:48:44

The field shrank 6% between 2024 (49) and 2025 (46). 30% 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

⛰️ terrain

This is a mountain course. Poles are highly recommended for the sustained climbs.

By UltraHub Expert

👟 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 with 2,300 m of ascent.

Trail Running Shoes 46 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 2,300 m of ascent to walk up.
GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.

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

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

Maurten