Syracuse, UT, United States · Saturday, March 27, 2027
Fixed Distance 50 mi
Antelope Island Buffalo Run 50 Mile (USA)
145 days away
80 km Distance
not publishedn/a Climbing
4.0 est Grit · Challenging
Calculated from 80 km alone — the organiser has not published an elevation profile. Read 4.0 as a floor, not a verdict.
What the course asks
Field size ~97 Mid-sized. Company early, well spread out by halfway.
DUV results for the 2025 edition (50mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, March
Daytime high 8°C
Night low -2°C
Rainfall Mostly dry
Daylight 12 h 25 m of light
Regional 2001-2025 average for March — NASA POWER, grid elevation 1744 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 50mi | 97 | Alex Proctor · 06:09:46 | Sara Morrison · 08:15:32 |
| 2024 | 50mi | 127 | Zachary Garner · 06:30:26 | Maria Johnstone · 08:33:37 |
| 2023 | 50mi | 22 | Andrew Wright · 09:45:43 | Abbi Wagle · 10:55:40 |
| 2023 | 50mi | 6 | John Peabody · 05:26:47 | Emme Clarke · 07:52:52 |
| 2022 | 50mi | 74 | Alex Docta · 07:14:43 | Veronica Rudolphi · 08:46:23 |
| 2022 | 50mi | 19 | Aaron Prevo · 10:38:38 | Karen Bishop · 10:58:19 |
| 2021 | 50mi | 162 | Adrian MacDonald · 06:22:12 | Kenna Brock · 07:22:17 |
| 2019 | 50mi | 77 | Jeff Friedman · 06:59:56 | Caroline Wallace · 08:14:31 |
| 2018 | 50mi | 107 | Matthew Zabriskie · 06:55:34 | Elizabeth Simpson · 07:29:57 |
| 2017 | 50mi | 85 | Sondre Amdahl · 06:46:55 | Saige Ballock-Dixon · 08:07:55 |
The field shrank 24% between 2024 (127) and 2025 (97). 24% of the 2025 field were women.
DUV results for the 2025 edition (50mi) — 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 80 km of trail.
- Trail Running Shoes 80 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 80 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 80 km, without the bounce.
- Headlamps 80 km almost certainly means running into the night.
- GPS Watches Battery life first — a 80 km day outlasts most full-GPS modes.
Similar races
Other 50 mi trail ultras, closest in distance first.