Ultra Running Hub Sugar Land, TX, United States · Wednesday, December 30, 2026
Snowdrop Ultra 55 Hour Race - 100km Split
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 2025 edition (55h) — ranked runners 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 25 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 55h | 150 | Juan Acevedo · 323.349 km | Karen Ellis · 250.011 km |
| 2024 | 55h | 156 | Juan Acevedo · 323.349 km | Dena Carr · 292.224 km |
| 2023 | 55h | 120 | Juan Acevedo · 333.350 km | Megan Eckert · 352.240 km |
| 2022 | 55h | 149 | Juan Acevedo · 325.570 km | Megan Eckert · 306.676 km |
| 2021 | 55h | 121 | Juan Acevedo · 322.242 km | Letha Cruthirds · 242.237 km |
| 2019 | 55h | 154 | Jonathan Olsen · 322.216 km | Dena Jean Carr · 268.884 km |
| 2018 | 55h | 141 | Joseph Fejes · 329.915 km | Sally Libonati · 326.696 km |
| 2017 | 55h | 149 | Joseph Fejes · 379.805 km | Kelley Fejes · 294.509 km |
| 2016 | 55h | 130 | Joseph Fejes · 325.650 km | Constance Gardner · 325.650 km |
| 2015 | 55h | 125 | Joseph Fejes · 402.496 km | Constance Gardner · 322.029 km |
The field has held steady: 156 in 2024, 150 in 2025. 47% of the 2025 field were women.
DUV results for the 2025 edition (55h) — ranked runners 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.
Overview
The Snowdrop Ultra 55 Hour Race offers a 100km split on a USATF-certified 0.7-mile loop, run on crushed granite and pavement in Sugar Land, TX. This is a road race on a loop shorter than 5km, setting it apart from most 100km events.
With 150 finishers in 2025, this race has a larger field than 83% of its 315 peer 100km races. The event has been held 10 times, starting in 2015, with the next edition scheduled for December 30, 2026.
Similar races
Other 100K trail ultras, closest in distance first.