Ultra Running Hub Decatur, TX, United States · Saturday, March 20, 2027
Grasslands 50 Mile Trail Run
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
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, March
Regional 2001-2020 average for March — NASA POWER, grid elevation 254 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 50mi | 88 | Baker Herrin · 07:21:09 | Casey Timme · 10:54:33 |
| 2025 | 50mi | 74 | Brantley Grantham · 07:47:28 | Sarah Loch-Test · 09:15:55 |
| 2024 | 50mi | 63 | Marshall McClain · 08:05:58 | Ashley McKinstry · 09:38:57 |
| 2023 | 50mi | 68 | Josh Heimbach · 06:19:40 | Amy Howard · 08:57:16 |
| 2022 | 50mi | 27 | Nicholas Petterson · 06:45:14 | Penny Whelchel · 09:12:01 |
| 2021 | 50mi | 34 | Luke Bateman · 07:25:19 | Amanda Bird · 09:20:56 |
| 2019 | 50mi | 26 | Ryan Buetzer · 07:24:21 | Robin Phelps · 09:35:24 |
| 2018 | 50mi | 48 | John Finn · 06:23:53 | Shandra Moore · 08:01:31 |
| 2017 | 50mi | 39 | John Finn · 06:32:57 | Shandra Moore · 07:53:13 |
| 2016 | 50mi | 45 | John Finn · 06:59:38 | Amy Ewing · 08:54:07 |
The field grew 19% between 2025 (74) and 2026 (88). 27% 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.
The Aid Station
Course-specific beta from the community
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.
Overview
The Grasslands 50 Mile Trail Run, organised by Blaze Trail Running, takes place in Decatur, TX, with the 2027 edition scheduled for March 20. This 50-mile (80 km) trail race has been held 10 times, with the most recent edition in 2026 seeing 88 finishers.
With a field size larger than 70% of its 671 peer 50-mile races, Grasslands offers a comparatively busy start line. The course is described as a cloverleaf configuration, with the start and finish centrally located at the TADRA Point Trailhead within the LBJ National Grasslands. This layout means runners will likely pass through the start/finish area multiple times during the race.
Similar races
Other 50 mi trail ultras, closest in distance first.