Ultra Running Hub San Jose, California, United States · Saturday, January 2, 2027
Hacienda Hills Run - Winter
Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.
What the course asks
DUV results for the 2026 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, January
Regional 2001-2020 average for January — NASA POWER, grid elevation 10 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 50km | 2 | — | Jen O'Byrne · 06:59:24 |
| 2025 | 50km | 4 | Joshua Hanley · 05:39:04 | — |
| 2024 | 50km | 5 | Alessandro Kamikawa · 06:30:21 | Ayako Murai · 06:06:34 |
| 2022 | 50km | 5 | Matt Rodriguez · 05:57:02 | Sarah Fowler · 06:27:08 |
The field shrank 50% between 2025 (4) and 2026 (2). 100% of the 2026 field were women.
DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Course notes
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail.
- Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 50 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 50 km, without the bounce.
- GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
Similar races
Other 50K trail ultras, closest in distance first.