Stinson Beach, CA, United States · Saturday, May 2, 2026

Fixed Distance 100K

Miwok 100k Trail Race

Race completed
100 km Distance
2,600 m Climbing
8.9 Grit · Elite / extreme
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37.8972° N, 122.6398° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 26 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 15.3 hours 9:11 min/km average. Comfortable. Room to walk the climbs and stop at aid. About average for a 100K. Measured against 208 races of the same distance. Cut-off calculator →
Field size ~303 Large. Rarely out of sight of another runner.

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, May

Daytime high 19°C
Night low 9°C
Rainfall Dry — rain unlikely
Daylight 13 h 46 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 87 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 2,600 m of ascent.

  • Trail Running Shoes26 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 Poles2,600 m of ascent to walk up.
  • HeadlampsA 15.3 h limit puts you out there after dark.

Salomon

Ultra Glide 4

$159.95 ★★★★★ 4.6

Adidas

Terrex Agravic Speed Ultra

★★★★★ 4.5

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

Black Diamond

Distance FLZ

Lightweight folding trekking poles with FlickLock Z adjustment. 340g per pole.

$170 ★★★★★ 4.7

Petzl

NAO RL

1500-lumen reactive lighting headlamp with 15-hour runtime. Automatic brightness adjustment.

$150 ★★★★★ 4.7
All gear guides →

Course Notes

Very hilly (approximately 11,800 feet of cumulative elevation gain) with spectacular views of San Francisco and the Golden Gate Bridge, Mt. Tamalpais, Tomales Bay and the Point Reyes National Seashore

Similar races

Other 100K trail ultras, closest in distance first.