Auburn, CA, United States · Saturday, April 25, 2026

Fixed Distance 50K

The Canyons Endurance 50 Km Run

Race completed

50 km Distance

1,700 m Climbing

5.1 Grit · Challenging

38.8966° N, 121.0769° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 34 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 10 hours 12:00 min/km average. Generous. Walkable throughout for most of the field. About average for a 50K. Measured against 1007 races of the same distance. Cut-off calculator →

Field size ~614 Very large. Congested start, busy aid stations.

DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, April

Daytime high 19°C

Night low 7°C

Rainfall Mostly dry

Daylight 13 h 34 m of light

Regional 2001-2020 average for April — NASA POWER, grid elevation 304 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 50 km of trail with 1,700 m of ascent.

Trail Running Shoes34 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition50 km of self-supported fuelling between aid stations.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles1,700 m of ascent to walk up.
GPS WatchesBattery life first — a 50 km day outlasts most full-GPS modes.

Adidas

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

Maurten

Gel 100

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

$3.5 ★★★★★ 4.7

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

Suunto

Vertical

Titanium GPS watch with solar charging, offline maps, and 140-hour GPS battery.

$630 ★★★★★ 4.5

All gear guides →

Course Notes

The Canyons Endurance Runs bring you back to where it all started: the Birthplace of Mountain Ultras. Come explore the Canyons of the Iconic WS Trail! You will encounter the most scenic and difficult sections of the WS trail. Great panorama...

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