Volcano, HI, United States · Thursday, December 31, 2026

Fixed Distance 50K

Go Big 50 km Race

119 days away

50 km Distance

1,200 m Climbing

4.3 Grit · Challenging

19.4428° N, 155.2340° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 24 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 6 hours 7:12 min/km average. Firm. Sustained running. Long aid-station stops will cost you. Among the tightest 50K cut-offs we track. Measured against 982 races of the same distance. Cut-off calculator →

Field size ~3 Tiny. You will run alone for most of it.

DUV results for the 2024 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, December

Daytime high 22°C

Night low 19°C

Rainfall Wet — expect rain

Daylight 10 h 58 m of light

Regional 2001-2020 average for December — NASA POWER, grid elevation 482 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 1,200 m of ascent.

Trail Running Shoes 24 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 1,200 m of ascent to walk up.
GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.

Adidas

Terrex Speed Ultra

★★★★★ 4.5

La Sportiva

Prodigio Pro

$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

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

100% pavement island tour. The course is 100% runnable, with moderate climbing and rolling hills. From Volcano Village to Black Sands Beach and will be a very fast course!

Similar races

Other 50K trail ultras, closest in distance first.