Soddy-Daisy, TN, United States · Saturday, April 17, 2027

Fixed Distance 100K

Rock/Creek Stillhouse 100 km Race

199 days away

100 km Distance

3,600 m Climbing

10.0 Grit · Elite / extreme

35.2359° N, 85.1908° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 36 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 19 hours 11:24 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 67% of 100K races. Measured against 214 races of the same distance. Cut-off calculator →

Field size ~18 Tiny. You will run alone for most of it.

DUV results for the 2025 edition (100km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, April

Daytime high 22°C

Night low 9°C

Rainfall Showers likely

Daylight 13 h 07 m of light

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

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	100km	18	David Hager · 11:34:14	Danna Baxley · 17:13:34
2024	100km	20	Coree Woltering · 11:54:16	Christina Williams · 17:13:17
2022	100km	15	Mac Dean · 12:33:10	Becky Worrell · 17:01:55
2021	100km	23	Andrew Laramore · 12:52:51	Shannon Wheeler-Deboef · 14:08:13
2020	100km	17	Johnny Clemons · 13:58:17	Kimberly Arbinger · 16:16:37
2016	100km	29	Nathan Holland · 12:13:48	Natalie Sims · 16:22:44

The field shrank 10% between 2024 (20) and 2025 (18). 22% of the 2025 field were women.

DUV results for the 2025 edition (100km) — 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 rolling course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert

👟 gear

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

By UltraHub Expert

🥤 nutrition

For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

By UltraHub Expert

Gear for this race

Chosen for 100 km of trail with 3,600 m of ascent.

Trail Running Shoes 36 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition Past 100 km the palate quits before the legs do — carry more than one flavour.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 3,600 m of ascent to walk up.
Headlamps A 19 h limit puts you out there after dark.

Salomon

Ultra Glide 4

$159.95 ★★★★★ 4.6

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

Spring Energy