Fountain Hills, AZ, United States · Saturday, December 5, 2026

Fixed Distance 50 mi

McDowell Mountain Frenzy 50 Mile

66 days away
80 km Distance
not publishedn/a Climbing
4.0 est Grit · Challenging

Calculated from 80 km alone — the organiser has not published an elevation profile. Read 4.0 as a floor, not a verdict.

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33.6117° N, 111.7174° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~71 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 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, December

Daytime high 18°C
Night low 4°C
Rainfall Mostly dry
Daylight 10 h 03 m of light

Regional 2001-2020 average for December — NASA POWER, grid elevation 495 m. Not a forecast.

Results history

Year Race Finishers Men's winner Women's winner
2025 50mi 71 Keegan Oldani · 07:23:14 Abby Hall · 07:12:27
2024 50mi 79 Ryan Becker · 07:11:32 Kristina Randrup · 08:26:32
2023 50mi 76 David Roche · 06:28:34 Nicole Hanson · 07:27:58
2022 50mi 78 Bryan Kerl · 06:18:41 Georgia Porter · 07:40:45
2021 50mi 69 Adam Gloyeske · 07:49:36 Jo Ann Saab · 08:45:49
2020 50mi 62 Ruairi Moynihan · 08:13:28 Dana Rohloff · 10:05:13
2019 50mi 86 Kent Warlick · 08:26:49 Kim Dobson · 07:44:43
2018 50mi 99 Keith Laverty · 06:57:31 Colleen Lingley · 08:12:42
2017 50mi 70 Jon Kuehler · 07:24:35 Eve Rebennack · 09:31:07
2016 50mi 45 Peter Mortimer · 08:11:28 Rhea Black · 09:14:45

The field shrank 10% between 2024 (79) and 2025 (71). 27% of the 2025 field were women.

DUV results for the 2025 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

👟 gear

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

By UltraHub Expert

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.

Asics

Trabuco Max 3

★★★★★ 4.6

Salomon

Aero Glide 4 Grvl

$159.95 ★★★★★ 4.5

Tailwind

Endurance Fuel

All-in-one calorie and electrolyte drink mix. 200 calories per serving.

$25 ★★★★★ 4.8

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Nitecore

UT32

Dual-beam trail running headlamp (1100 lumens) with spot and flood beams.

$100 ★★★★★ 4.5

Suunto

Vertical

Titanium GPS watch with solar charging, offline maps, and 140-hour GPS battery.

$630 ★★★★★ 4.5
All gear guides →

Overview

The McDowell Mountain Frenzy 50 Mile is a trail race in Fountain Hills, AZ, organised by Aravaipa Running. This 80-kilometer event, held in December, has seen 10 editions since 2016, with the most recent in 2025 drawing 71 finishers.

With a field size larger than 64% of its 660 peer 50-mile races, it offers a more populated race experience than many other events at this distance. The course takes place entirely within McDowell Mountain Regional Park, utilizing its competitive track loops.

Similar races

Other 50 mi trail ultras, closest in distance first.