Sparks, NV, United States · Saturday, October 10, 2026

Timed 12 hours

The Biggest Little Ultra - 12h Fri

24 days to go

not publishedn/a Distance

not publishedn/a Climbing

not publishedn/a Grit

We hold no course length for this race — a timed or backyard event is measured by the clock, not the kilometre — so there is no Grit score to give you.

39.5349° N, 119.7527° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~2 Tiny. You will run alone for most of it.

DUV results for the 2025 edition (12h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, October

Daytime high 17°C

Night low 3°C

Rainfall Mostly dry

Daylight 11 h 27 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 1774 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

Gear for this race

Chosen for this trail race.

Trail Running ShoesCushioning on trail that is still there in the last quarter.
Race NutritionSelf-supported fuelling between aid stations.
Hydration VestsFlask capacity without the bounce.
HeadlampsA 12 h limit puts you out there after dark.
GPS WatchesBattery life first — an ultra outlasts most full-GPS modes.

Topo Athletic

Traverse

★★★★★ 4.5

HOKA

Speedgoat 6

Max-cushion trail shoe with Vibram Megagrip outsole, ideal for rocky mountain terrain.

$155 ★★★★★ 4.7

Skratch Labs

Sport Hydration Mix

Clean electrolyte drink mix with real fruit flavor. Low sugar.

$20 ★★★★★ 4.5

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Nitecore

UT32

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

$100 ★★★★★ 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

The race course is a 2 mile loop around beautiful Sparks Marina. Total elevation gain is 29 feet. The course is paved and lighted so no gators or headlamps are required.

Similar races

Other trail ultras of the same format.