Prescott, AZ, United States · Saturday, April 17, 2027

Fixed Distance 100K

Whiskey Basin 91 km Trail Run

199 days away

91 km Distance

not publishedn/a Climbing

4.6 est Grit · Challenging

Calculated from 91 km alone — the organiser has not published an elevation profile. Read 4.6 as a floor, not a verdict.

34.5400° N, 112.4685° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 16 hours 10:33 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 Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it.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 100K. Measured against 214 races of the same distance. Cut-off calculator →

Field size ~92 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 edition (91km) — 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 21°C

Night low 5°C

Rainfall Dry — rain unlikely

Daylight 13 h 05 m of light

Regional 2001-2020 average for April — NASA POWER, grid elevation 1493 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	91km	92	Michael Versteeg · 08:11:08	Kate Taylor · 10:01:39
2025	91km	77	Jordan Bramblett · 08:02:51	Rachel Entrekin · 09:07:16
2024	91km	93	Nicholas Coury · 07:41:32	Emily Kratz · 10:54:25
2023	91km	78	Jesus Topete Jr · 08:31:07	Sarah Zelt · 10:51:46
2022	91km	56	Drew Frehs · 08:59:57	Ailsa MacDonald · 08:54:12
2021	91km	106	Nicholas Coury · 08:04:52	Meghan Slavin · 10:37:20
2020	91km	92	Catlow Shipek · 08:44:56	Lauren Coury · 09:02:22
2019	88km	94	Zach Bitter · 08:06:13	Nicole Bitter · 08:39:06
2018	88km	66	Zach Bitter · 07:47:22	Nicole Kalogeropoulos Studer · 09:16:27
2017	88km	55	Catlow Shipek · 08:23:51	Adela Salt · 10:19:24

The field grew 19% between 2025 (77) and 2026 (92). 25% of the 2026 field were women.

DUV results for the 2026 edition (91km) — 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 91 km of trail.

Trail Running Shoes 91 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 91 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 91 km, without the bounce.
Headlamps A 16 h limit puts you out there after dark.
GPS Watches Battery life first — a 91 km day outlasts most full-GPS modes.