Ultra Running Hub San Diego, CA, United States · Saturday, April 10, 2027
Fixed Distance 50K
Oriflamme 50K Trail Run
181 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
Time limit 9 hours
10:48 min/km average. Firm. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. About average for a 50K. Measured against 1053 races of the same distance. Cut-off calculator →
Field size ~121 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, April
Daytime high 20°C
Night low 10°C
Rainfall Dry — rain unlikely
Daylight 12 h 48 m of light
Regional 2001-2025 average for April — NASA POWER, grid elevation 394 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 50km | 121 | Juan Rocha · 04:06:27 | Autumn Fox · 05:09:26 |
| 2025 | 50km | 86 | Jesus Topete Jr · 03:58:54 | Jessica Schnier · 05:07:03 |
| 2024 | 50km | 128 | Riley Robertson · 04:19:29 | Olivia Horgan · 05:00:18 |
| 2023 | 50km | 81 | Ben Townsend · 05:04:46 | Anna Henning · 05:48:13 |
| 2022 | 50km | 98 | Makai Clemons · 03:42:03 | Jade Belzberg · 04:26:29 |
| 2019 | 50km | 110 | Christian Vanblommestein · 04:30:45 | Beata Holkovicova · 05:34:34 |
| 2018 | 50km | 103 | Fabrice Hardel · 04:14:07 | Carolina Aguero · 05:33:56 |
| 2017 | 50km | 134 | Igor Campos · 04:18:54 | Jade Belzberg · 04:54:39 |
| 2016 | 50km | 82 | Fernando Blanco · 03:52:27 | Deysi Osegueda · 05:35:27 |
| 2015 | 50km | 112 | Jonathan Clark · 04:19:39 | Jade Belzberg · 05:04:46 |
The field grew 41% between 2025 (86) and 2026 (121). 22% 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.