Burnet, TX, United States · Saturday, April 24, 2027

Fixed Distance 50 mi

Pandoras Box of Rox 50 Mile

206 days away

84 km Distance

not publishedn/a Climbing

4.2 est Grit · Challenging

Calculated from 84 km alone — the organiser has not published an elevation profile. Read 4.2 as a floor, not a verdict.

30.7582° N, 98.2284° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 15 hours 10:43 min/km average. Generous. Walkable throughout for most of the field. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. About average for a 50 mi. Measured against 471 races of the same distance. Cut-off calculator →

Field size ~3 Tiny. You will run alone for most of it.

DUV results for the 2026 edition (52.4mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, April

Daytime high 26°C

Night low 13°C

Rainfall Mostly dry

Daylight 13 h 09 m of light

Regional 2001-2020 average for April — NASA POWER, grid elevation 356 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	52.4mi	3	Matt Smith · 10:56:33	—
2025	52.4mi	24	Jonathan Loebl · 09:16:42	Val Garcia · 10:59:25
2024	52.4mi	18	Thomas Orf · 09:51:31	Avaleann White · 13:21:25
2023	52.4mi	31	Jared Rothlauf · 07:13:40	Marion Guillemant · 11:37:55
2022	52.4mi	13	Sean McKiel · 10:43:19	Ashley Forshey · 11:13:42
2021	52.4mi	27	Thomas Orf · 08:19:41	Lynnsey Martin · 11:29:51
2019	52.4mi	14	Thomas Orf · 08:55:38	Nyleva Corley · 13:48:17
2018	52.4mi	17	Wade Barrett · 08:50:58	Kitty Henricksen · 12:24:12
2017	52.4mi	21	Matthew Smith · 08:57:58	Lise Plantier · 10:59:21
2016	52.4mi	28	Brandon Ray · 09:03:58	Nicole Kalogeropoulos Studer · 08:29:58

The field shrank 87% between 2025 (24) and 2026 (3). 0% of the 2026 field were women.

DUV results for the 2026 edition (52.4mi) — 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

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 84 km of trail.

Trail Running Shoes 84 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 84 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 84 km, without the bounce.
Headlamps A 15 h limit puts you out there after dark.
GPS Watches Battery life first — a 84 km day outlasts most full-GPS modes.

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Salomon