Glen Rose, TX, United States · Saturday, November 21, 2026

Fixed Distance 50K

Dinosaur Valley Endurance Run 50 Km

46 days away
50 km Distance
not publishedn/a Climbing
2.5 est Grit · Entry level

Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.

32.2346° N, 97.7553° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~60 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, November

Daytime high 20°C
Night low 7°C
Rainfall Mostly dry
Daylight 10 h 24 m of light

Regional 2001-2020 average for November — NASA POWER, grid elevation 234 m. Not a forecast.

Results history

Year Race Finishers Men's winner Women's winner
2025 50km 60 Daniel Arnold · 04:37:51 Jocelyn Mims · 06:00:10
2024 50km 61 Ian Bost · 06:30:28 Katy Barber · 06:00:08
2023 50km 83 Raymond Brintle · 04:42:57 Ginger Schirmer · 06:21:01
2022 50km 94 Eric Eylar · 04:56:56 Julie Blackwell · 05:44:04
2021 50km 62 Ryan Hill · 04:22:44 Kimberly Endo · 05:59:47
2020 50km 49 Erik Beckmen · 04:59:22 Samantha Amick · 06:29:28
2019 50km 44 Brandon Haney · 04:31:24 Judith Warga · 06:05:21
2018 50km 29 Brent Heady · 04:53:31 Rebecca Gartrell · 06:17:20
2017 50km 13 Jose Lazalde · 05:47:47 Monica Badillo · 07:31:13
2016 50km 21 Angel Jabega Murado · 05:29:02 Leann Jones · 06:43:16

The field has held steady: 61 in 2024, 60 in 2025. 45% of the 2025 field were women.

DUV results for the 2025 edition (50km) — 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 50 km of trail.

  • Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
  • Race Nutrition 50 km of self-supported fuelling between aid stations.
  • Hydration Vests Flask capacity for 50 km, without the bounce.
  • GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
All gear guides →

Similar races

Other 50K trail ultras, closest in distance first.