San Jose, CA, United States · Thursday, December 31, 2026

Timed 6 hours

New Years One Day 6 Hour Run

92 days away

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.

37.3394° N, 121.8950° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~13 Tiny. You will run alone for most of it.

DUV results for the 2025 edition (6h) — ranked runners 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 13°C

Night low 4°C

Rainfall Showers likely

Daylight 9 h 37 m of light

Regional 2001-2020 average for December — NASA POWER, grid elevation 233 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	6h	13	Guillaume Tremintin · 68.059 km	Oyungerel Gerelmend · 68.059 km
2024	6h	16	Stuart Taylor · 71.390 km	Kaitlyn Spees · 68.059 km
2023	6h	24	Dominic Vogl · 74.716 km	Kaitlyn Spees · 68.074 km
2022	6h	12	Samuel Nickelsen · 59.529 km	Zoe Ray · 47.954 km
2021	6h	19	Nicholas Su · 69.523 km	Michelle Chen · 56.166 km
2019	6h	24	James Scanlan · 71.615 km	Deanna Kwong · 61.476 km
2019	6h	21	Jorma Gates · 74.351 km	Joy Ebertz · 61.155 km
2017	6h	21	Alek Simpson · 63.416 km	Max Morris · 66.844 km
2016	6h	24	Jean Pommier · 75.478 km	Meredith Empie · 60.028 km
2015	6h	15	Scott Kreider · 59.988 km	Sandra Bliemhuber · 61.702 km

The field shrank 19% between 2024 (16) and 2025 (13). 23% of the 2025 field were women.

DUV results for the 2025 edition (6h) — 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.
GPS Watches Battery life first — an ultra outlasts most full-GPS modes.