Burgbernheim, Germany · Saturday, October 24, 2026

Fixed Distance 100K

B.U.T.10x10 Burgbernheim Ultra Trail

38 days away
100 km Distance
344 m Climbing
5.5 Grit · Challenging
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49.4510° N, 10.3239° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 3 m / km Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Time limit 20 hours 12:00 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 72% of 100K races. Measured against 208 races of the same distance. Cut-off calculator →
Field size ~11 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, October

Daytime high 14°C
Night low 5°C
Rainfall Mostly dry
Daylight 10 h 21 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 393 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a fast & flat 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 344 m of ascent.

  • Trail Running Shoes100 km of trail — cushioning that is still there in the last quarter.
  • Race NutritionPast 100 km the palate quits before the legs do — carry more than one flavour.
  • Hydration VestsFlask capacity for 100 km, without the bounce.
  • HeadlampsA 20 h limit puts you out there after dark.
  • AccessoriesChafe and blisters end more 100 km races than fitness does.

Adidas

Terrex Agravic Speed Ultra

★★★★★ 4.5

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

Maurten

Gel 100

Hydrogel technology for 25g carbs per gel with minimal GI distress.

$3.5 ★★★★★ 4.7

Nathan

VaporKrar 12L

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

$170 ★★★★★ 4.6

Nitecore

UT32

Dual-beam trail running headlamp (1100 lumens) with spot and flood beams.

$100 ★★★★★ 4.5

Darn Tough

Micro Crew Ultra Running

Merino wool trail running socks with lifetime warranty. Blister-resistant.

$23 ★★★★★ 4.7
All gear guides →

Course Notes

100 km / 10 Runden a 10 km. Jede zweite Stunde startet eine weitere Runde. Wer zum nächsten Start nicht bereit ist, ist raus. Strecke: unbefestigte Trampelpfade / Forstwege

Similar races

Other 100K trail ultras, closest in distance first.