Cassel, CA, United States · Friday, June 18, 2027

Fixed Distance 100 mi

Burney Mountain 100

275 days away

161 km Distance

not publishedn/a Climbing

8.1 est Grit · Hardcore

Calculated from 161 km alone — the organiser has not published an elevation profile. Read 8.1 as a floor, not a verdict.

40.9209° N, 121.5501° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~45 Small. Long stretches with nobody in sight.

DUV results for the 2026 edition (100mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, June

Daytime high 25°C

Night low 9°C

Rainfall Dry — rain unlikely

Daylight 15 h 07 m of light

Regional 2001-2020 average for June — NASA POWER, grid elevation 1397 m. Not a forecast.

The Aid Station

Course-specific beta from the community

👟 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 161 km of trail.

Trail Running Shoes161 km of trail — cushioning that is still there in the last quarter.
Race NutritionPast 161 km the palate quits before the legs do — carry more than one flavour.
Hydration VestsFlask capacity for 161 km, without the bounce.
Headlamps161 km almost certainly means running into the night.
AccessoriesChafe and blisters end more 161 km races than fitness does.

Salomon

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

Tailwind

Endurance Fuel

All-in-one calorie and electrolyte drink mix. 200 calories per serving.

$25 ★★★★★ 4.8

Salomon

ADV Skin 12

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

$180 ★★★★★ 4.8

Petzl

NAO RL

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

$150 ★★★★★ 4.7

Buff

CoolNet UV+ Multifunctional

UPF 50+ neck gaiter with cooling technology. Desert and sun essential.

$25 ★★★★★ 4.5

All gear guides →

Course Notes

Northern California’s most scenic 100-mile race, where breathtaking views, diverse terrain, and awe-inspiring vistas await at every turn. Starting and finishing at the Burney Mountain Guest Ranch, this looped course takes runners through some of the most

Similar races

Other 100 mi trail ultras, closest in distance first.