Dances with Dirt - Gnaw Bone 50 Mile Ultra

Race completed

80 km Distance

2,600 m Climbing

7.9 Grit · Hardcore

39.2073° N, 86.2511° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 33 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Field size ~15 Tiny. You will run alone for most of it.

DUV results for the 2026 edition (50mi) — 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 23°C

Night low 12°C

Rainfall Showers likely

Daylight 14 h 19 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 212 m. Not a forecast.

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

Gear for this race

Chosen for 80 km of trail with 2,600 m of ascent.

Trail Running Shoes33 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition80 km of self-supported fuelling between aid stations.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles2,600 m of ascent to walk up.
Headlamps80 km almost certainly means running into the night.

Asics