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Fat Ox race photo

Fat Ox

The city you want to run becomes your next trip.

USNov 20, 2026100M
Race date in 44 days
Nov 20, 2026 Fri
City · Distance
Buckeye · 100M
Entry fee
$130Varies by event and entry period
Status
OpenTBD ~ Mon, November 16, 2026See how to enter ↗
Official website ↗D-day as of Oct 7, 2026
Fat Ox race photo
About the raceRunner storiesHow to enterCourseRace PrepTravel
Why you dream of this race

THE DREAM

About Fat Ox — what makes it special

ABOUT THE RACE

A day you'll remember,
long past the finish line.

All distances take place on a 0.98-mile concrete loop course.

It is a course around the grassy picnic area at Estrella Mountain Regional Park.

The road to your own record

Picture the course in advance
and find the pace that fits you.

When the city cheers

Streets lined with cheers, runners all around.
You'll be part of that scene.

The trip that follows the run

Take it slow with the finish still in you,
and meet the city all over again.

Fat Ox runner reviews and race reports

Stories from those who ran it first.

From the joy of finishing to the tough moments — read what runners wrote themselves.

Race reports: 1
Jean PommierRan in 2025 · Finish time 24:00:00
“For many years I took running for granted.”

Friends supported the runner at Fat Ox 24 Hours, but nighttime rain and cold prompted rests and a revised goal. Alternating running and walking to the end covered more than 105 miles and won the age group.

Read the original on Running, my second job and passion

We translated a short line from each public race report and summarized the experience. Finish times are as stated by the author, and past editions may differ from this year's weather and operations.

See it on video,
feel it through their stories.

Preview the course and read what runners who went before you wrote.

Sights and Sounds of the 2022 Fat Ox Endurance Runs

Aravaipa Running

View on YouTube

This may be from a past edition. Check the organizer for this year's course and operations.

The way in that fits you

YOUR ENTRY

How to enter Fat Ox — registration routes

How to reach the start line —
start with what fits you.

Here are the ways to enter and what each requires.
Check the organizer's page for whether entries are open.

We'll fill this in once the official entry rules are out.

Official race websiteEntry options
From the start line to the finish

RACE WEEK

Fat Ox course map and elevation

The 100M I'll run

Know the course and time limit, and race day comes into focus.

Runners start · local timeFrom 08:00
EventStart
100 Mile160.9km09:00
100K100km08:30
Ultra50km09:30
12 Hour08:00
24 Hour08:00
48 Hour08:00
6 Hour08:00
START · FINISH

Estrella Mountain Regional Park, 14805 W Vineyard Ave, Goodyear, AZ 85338

Start · Google Maps
Show more

Repeat a roughly 1-mile (0.988-mile) flat loop course. The race also serves as the 2026 USATF 24-Hour Championships.

The race is divided into 8 divisions, including 100 Mile, 48hrs, 24hrs, and 12hrs.

The start takes place in Buckeye, AZ at 9:00 a.m. local time.

Course is a loop course that returns to the start.

Typical race-season temperature: around 17°C (63°F)
Short sleeves — hydrate for the warmth

Participant benefits

Timing chip

Aid stations

Finisher medal

Event T-shirt

Finisher T-shirt

Where and when to collect your Fat Ox race bib

To the start line,
step by step.

Pick up your bib, check your wave.
So on race morning, you can just run.

From the 2025 edition

Pick up your bib at the expo

11/20–11/21 from 7:00 AM, Turf Picnic Area
11/20–11/21 from 7:00 AM, Turf Picnic Area

Stations & transport near the venue

Getting to the start

No public transit —

race is held on a loop course at Estrella Mountain Regional Park (near Buckeye/Goodyear, AZ), a Maricopa County park reachable only by private car.

Getting to the finish

Finish is at the same start/finish area since the course is a repeating loop;

same private-car-only access applies.

More details

No shuttle service found/mentioned; ample on-site parking is provided instead.

Source · checked Aug 22, 2026
READY TO RUN

From race morning to after the finish.

Your start time, fuel and bag drop.
Know them ahead and the run feels easier.

Registration is through UltraSignup and closes at 11:59 PM Mountain Standard Time on Monday, November 16, 2026.

Entry fee uses tiered pricing by distance, with the 100-mile race approximately $225–$265, the 100K $155–$195, and the 50K $120–$140.

Goodyear city tax and the UltraSignup fee are additional.

Race packet pickup takes place at the Turf Picnic Area at Estrella Mountain Regional Park,

the race venue, from 7:00 AM on Friday, November 20, and Saturday, November 21.

Start times vary by distance: the 48-hour, 24-hour, 12-hour, and 6-hour events start at 8:00 AM on Friday, while the 100-mile race starts at 9:00 AM.

The 100K starts at 8:30 AM on Saturday, and the 50K starts at 9:30 AM.

Typical of the Arizona desert in late autumn, daytime highs are around 21–24°C and early-morning lows are approximately 10–13°C,

with a wide temperature range and a low chance of precipitation.

Layered clothing is recommended.

Parking is $10 per day at the park entrance, and camping, including tent and cot rentals, can be reserved through Maricopa County.

Times are local to Buckeye. Check the latest official information before the race.

A trip built around the race

STAY A LITTLE

MAKE IT A RUNTRIP

The race is one day,
the trip can be longer.

From a hotel that makes race morning easy,
to the meals and views you'll enjoy with the medal on.

Hotels near the Fat Ox start line in Buckeye

Hotels that make race morning easy

3 places

Distances are straight-line from the start/finish area.
Check real travel times and booking terms with each hotel.

The start and finish are in the same place
We picked stays around that one spot.

Landing Apartments - Solace at Ballpark Village

Accommodation · 5.0km

9.3/10(15)
View on Booking.com

Heated Pool + Putting Green: Goodyear Retreat!

Accommodation · 3.7km

10.0/10(4)
View on Booking.com

Swipe sideways to see more hotels.

View on map →

Time for you, before and after the finish

10 experiences

Rest a little, wander a little.
Pick what suits you and whoever you're with.

Phoenix｜Private Airport Pickup/Drop-off Service at Phoenix Deer Valley Airport

$132

View on Klook
Eating well is part of the tripA meal before the race, a dinner to celebrate the finish.View on mapSeeing Buckeye with the medal onThe city you ran — this time, a little slower.View on map

Hotel distances are straight-line from the start. Distances and ratings for food and sights come from the place provider, and experiences are travel products in Buckeye.

Total cost and budget for Fat Ox

TRAVEL ESSENTIALS

Trip prep too,
light and in one place.

ChecklistLocal eSIM · YesimFlight delay or cancellation compensation · AirHelpPace calculator

Once saved, you can open this page without an internet connection

Runner stories and questions about Fat Ox

RUN TOGETHER

With runners who dream of
the same start line.

Be the first runner
Leave this room's first post

Buckeye runners' room

Frequently asked questions about Fat Ox

FAQ
When does Fat Ox 2026 take place?

It takes place on Fri, November 20, 2026 in Buckeye, AZ, United States.

How much is the Fat Ox 2026 entry fee?

The main event costs $130.

What distances does Fat Ox 2026 offer?

Ultra.

What time does Fat Ox 2026 start?

The race starts at 08:00.

Where does Fat Ox 2026 start?

Estrella Mountain Regional Park, 14805 W Vineyard Ave, Goodyear, AZ 85338.

Where does Fat Ox 2026 finish?

Estrella Mountain Regional Park, 14805 W Vineyard Ave, Goodyear, AZ 85338.

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