Ultra Running Hub Fifty-Six, AR, United States · Saturday, December 12, 2026
Spirit of Syllamo 100 Mile
Calculated from 161 km alone — the organiser has not published an elevation profile. Read 8.1 as a floor, not a verdict.
What the course asks
DUV results for the 2025 edition (100mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, December
Regional 2001-2020 average for December — NASA POWER, grid elevation 305 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 100mi | 13 | Daniel Arnold · 21:34:34 | Ashley Nordell · 22:30:37 |
| 2024 | 100mi | 7 | Kane Childress · 30:25:49 | Cassie Brown · 32:30:03 |
| 2023 | 105mi | 8 | James Holland · 25:33:58 | Julie Blackwell · 30:51:30 |
| 2022 | 105mi | 7 | Stewart Gray · 25:52:11 | Julie Blackwell · 33:37:26 |
The field grew 86% between 2024 (7) and 2025 (13). 23% of the 2025 field were women.
DUV results for the 2025 edition (100mi) — 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.
- nutrition For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Gear for this race
Chosen for 161 km of trail.
- Trail Running Shoes 161 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition Past 161 km the palate quits before the legs do — carry more than one flavour.
- Hydration Vests Flask capacity for 161 km, without the bounce.
- Headlamps 161 km almost certainly means running into the night.
- Accessories Chafe and blisters end more 161 km races than fitness does.
Similar races
Other 100 mi trail ultras, closest in distance first.