Memphis, TN, United States · Saturday, April 3, 2027
Fixed Distance 50 mi
Big Buffalo 50 Mile Endurance Run
167 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
Time limit 12 hours
9:00 min/km average. Tight. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Tighter than 87% of 50 mi races. Measured against 477 races of the same distance. Cut-off calculator →
Field size ~12 Tiny. You will run alone for most of it.
DUV results for the 2026 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, April
Daytime high 22°C
Night low 11°C
Rainfall Showers likely
Daylight 12 h 37 m of light
Regional 2001-2020 average for April — NASA POWER, grid elevation 87 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 50mi | 12 | Nicholas Kuoni · 08:43:43 | Amy Lahey · 10:33:29 |
| 2025 | 50mi | 8 | Christopher Taylor · 09:29:30 | Wei Smith · 11:46:22 |
| 2024 | 50mi | 21 | Paul Holborn · 07:43:36 | Hannah Stoneking · 09:46:53 |
| 2023 | 50mi | 13 | Scott Garner · 07:42:19 | Jennifer Cummings · 08:45:06 |
| 2022 | 50mi | 13 | Scott Garner · 07:42:19 | Sarah Harris · 10:03:37 |
| 2021 | 50mi | 11 | Scott Garner · 07:23:27 | Michelle Bingham · 10:18:50 |
| 2019 | 50mi | 17 | Alec Ogg · 07:33:12 | Anna Tuttle · 09:16:37 |
| 2018 | 50mi | 17 | Kyle Grady · 07:46:05 | Jessica Hardy · 09:13:16 |
The field grew 50% between 2025 (8) and 2026 (12). 17% of the 2026 field were women.
DUV results for the 2026 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 A 12 h limit puts you out there after dark.
- 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.