Arnstadt, Germany · Saturday, August 22, 2026

Fixed Distance 50K

Arnstädter Bach-Ultra (ABU 60)

Race completed

60 km Distance

1,100 m Climbing

4.7 Grit · Challenging

50.8405° N, 10.9520° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 18 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 9 hours 9:00 min/km average. Comfortable. Room to walk the climbs and stop at aid. Among the tightest 50K cut-offs we track. Measured against 982 races of the same distance. Cut-off calculator →

Field size ~44 Small. Long stretches with nobody in sight.

DUV results for the 2025 edition (60km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, August

Daytime high 25°C

Night low 13°C

Rainfall Mostly dry

Daylight 14 h 13 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 291 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 60 km of trail with 1,100 m of ascent.

Trail Running Shoes 60 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 60 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 60 km, without the bounce.
GPS Watches Battery life first — a 60 km day outlasts most full-GPS modes.

La Sportiva

Prodigio Pro

$225 ★★★★★ 4.6

Adidas

Terrex Agravic Speed Ultra

★★★★★ 4.5

Tailwind

Endurance Fuel

All-in-one calorie and electrolyte drink mix. 200 calories per serving.

$25 ★★★★★ 4.8

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

COROS

APEX 2 Pro

GPS running watch with 75-hour GPS battery, topo maps, and training metrics.

$500 ★★★★★ 4.7

All gear guides →

Course Notes

Landschaftslauf durch alle Ortsteile der Bach-Stadt Arnstadt; größtenteils Feld- und Waldwege; einzelne Streckenabschnitte über Straßen. Die Strecke ist durch Schilder und gelbe Bodenmarkierungen an den Abzweigungen gekennzeichnet.

Similar races

Other 50K trail ultras, closest in distance first.