Salmon, ID, United States · Saturday, July 11, 2026

Fixed Distance 100K

Beaverhead 100K Endurance Run

Race completed
100 km Distance
3,800 m Climbing
10.0 Grit · Elite / extreme
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45.1758° N, 113.8959° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 38 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.
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 ~108 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 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, July

Daytime high 26°C
Night low 10°C
Rainfall Dry — rain unlikely
Daylight 15 h 25 m of light

Regional 2001-2020 average for July — NASA POWER, grid elevation 2046 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
🥤 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 3,800 m of ascent.

  • Trail Running Shoes38 m of climb per kilometre — grip and rock protection before cushioning.
  • Race NutritionPast 100 km the palate quits before the legs do — carry more than one flavour.
  • Hydration VestsPole attachment and chest-strap stability on steep ground.
  • Trekking Poles3,800 m of ascent to walk up.
  • HeadlampsA 20 h limit puts you out there after dark.

Salomon

Ultra Glide 4

$159.95 ★★★★★ 4.6

Asics

Trabuco Max 3

★★★★★ 4.6

Spring Energy

Awesome Sauce

Real food gel with 180 calories. Rice-based with natural flavors.

$4 ★★★★★ 4.6

Salomon

ADV Skin 12

Industry-standard 12L race vest with front flask pockets and minimal bounce.

$180 ★★★★★ 4.8

Komperdell

Carbon Ultralight Vario 4

4-section folding carbon poles with compact pack size for mandatory gear.

$160 ★★★★★ 4.5

Nitecore

UT32

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

$100 ★★★★★ 4.5
All gear guides →

Course Notes

Races are point to point and take place predominantly on the Continental Divide Nation Scenic Trail (CDT) and the Continental Divide. The race starts at Bannock Pass.

Similar races

Other 100K trail ultras, closest in distance first.