Ultra Running Hub Vian, OK, United States · Saturday, February 27, 2027
Lake Vian 100km Hilltop Run
Calculated from 100 km alone — the organiser has not published an elevation profile. Read 5.0 as a floor, not a verdict.
What the course asks
DUV results for the 2026 edition (100km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, February
Regional 2001-2020 average for February — NASA POWER, grid elevation 203 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 100km | 14 | Connor Chapman · 13:45:14 | Vanessa Dicus · 13:33:58 |
| 2025 | 100km | 6 | Brian Copsey · 12:22:34 | — |
| 2024 | 100km | 3 | Brian Copsey · 14:02:24 | V. Bek Mullenix · 14:39:50 |
The field grew 133% between 2025 (6) and 2026 (14). 64% of the 2026 field were women.
DUV results for the 2026 edition (100km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
The Aid Station
Course-specific beta from the community
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Gear for this race
Chosen for 100 km of trail.
- Trail Running Shoes 100 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition Past 100 km the palate quits before the legs do — carry more than one flavour.
- Hydration Vests Flask capacity for 100 km, without the bounce.
- Headlamps 100 km almost certainly means running into the night.
- Accessories Chafe and blisters end more 100 km races than fitness does.
Similar races
Other 100K trail ultras, closest in distance first.