Hamster Endurance Runs 12 Hour Run

Race completed

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.

48.7595° N, 122.4882° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~32 Small. Long stretches with nobody in sight.

DUV results for the 2026 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, August

Daytime high 23°C

Night low 13°C

Rainfall Mostly dry

Daylight 15 h 08 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 149 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	12h	32	Kolton Williams · 104.607 km	Hazel Clapp · 96.238 km
2025	12h	29	Andrew Oslin · 129.713 km	Larissa Francis · 87.870 km
2024	12h	26	Troy Haeseler · 108.791 km	Emily Frith · 112.975 km
2023	12h	17	Liam Mullins · 108.791 km	Janelle Stark · 104.607 km
2022	12h	19	Bruce Knowlton · 87.870 km	Angela Pawlak · 96.238 km
2021	12h	15	Jay Blackburn · 87.870 km	Laura Clemens · 92.054 km
2019	12h	15	Jay Blackburn · 87.870 km	Laura Clemens · 92.054 km
2017	12h	15	Justin W. · 100.423 km	Meredith Wells · 108.791 km
2016	12h	24	Jeffrey Yamada · 96.238 km	Emily Beeson · 83.685 km
2015	12h	23	Elijah Hassertt · 87.870 km	Marie Zornes · 75.317 km

The field grew 10% between 2025 (29) and 2026 (32). 50% of the 2026 field were women.

DUV results for the 2026 edition (12h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.

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 Shoes Cushioning on trail that is still there in the last quarter.
Race Nutrition Self-supported fuelling between aid stations.
Hydration Vests Flask capacity without the bounce.
Headlamps A 12 h limit puts you out there after dark.
GPS Watches Battery life first — an ultra outlasts most full-GPS modes.