Chattanooga, TN, United States · Saturday, March 6, 2027

Fixed Distance 50K

Rock/Creek StumpJump 50K

157 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.

35.0456° N, 85.3097° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 10 hours 12:00 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 Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. About average for a 50K. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~121 Mid-sized. Company early, well spread out by halfway.

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, March

Daytime high 16°C

Night low 5°C

Rainfall Showers likely

Daylight 11 h 35 m of light

Regional 2001-2020 average for March — NASA POWER, grid elevation 282 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	50km	121	William Sickenberger · 05:00:38	Tay Cavett · 05:34:11
2025	50km	143	Nicholas Guarnaccia · 04:41:52	Lea Mulligan · 05:21:30
2024	50km	120	Brandon Sullivan · 05:33:19	Rachel Vedder · 06:32:38
2023	50km	109	William Sickenberger · 05:08:59	Martha Clemmer · 05:38:19
2022	50km	168	Peter Kazery · 05:07:08	Lea Mulligan · 05:35:46
2021	50km	202	Michael Basuini · 04:34:47	Sarah Hopkins · 06:20:31
2020	50km	224	Seth Ruhling · 04:09:28	Peyton Thomas · 06:21:24
2019	50km	244	Seth Ruhling · 04:12:23	Rachel Gibson · 05:57:01
2018	50km	215	Luke Paulson · 04:36:18	Emily Ansick · 05:44:34
2017	50km	177	John Wiygul · 05:15:43	Emily Ansick · 05:59:12

The field shrank 15% between 2025 (143) and 2026 (121). 16% 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 Agravic Speed Ultra

RunRepeat found the Adidas Terrex Agravic Speed Ultra to be perfect for midfoot and forefoot strikers, while iRunFar noted that the shoe feels incredibly effici…

★★★★★ 4.5

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

Tailwind