Ultra Running Hub Trabuco Canyon, CA, United States · Saturday, May 15, 2027
Fixed Distance 50K
ONeill Park Trail Races
221 days away
50 km Distance
not publishedn/a Climbing
2.5 est Grit · Entry level
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
Field size ~67 Mid-sized. Company early, well spread out by halfway.
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, May
Daytime high 22°C
Night low 12°C
Rainfall Dry — rain unlikely
Daylight 13 h 53 m of light
Regional 2001-2020 average for May — NASA POWER, grid elevation 247 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 50km | 67 | Ethan Meza · 04:06:47 | Melody Cox · 04:59:48 |
| 2025 | 50km | 63 | Benjamin Atkins · 04:07:34 | Elizabeth Tenuto · 05:16:17 |
| 2024 | 50km | 68 | Rene Dorantes Ocampo · 04:11:35 | Kiana Ramli · 04:48:23 |
| 2023 | 50km | 64 | Jesse Haynes · 04:05:28 | Helen Payne · 04:53:18 |
The field grew 6% between 2025 (63) and 2026 (67). 31% 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.