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Arizona 100-mile race guide

100-Mile Races in Arizona

Compare verified Arizona races that offer a 100-mile option, from controlled loops to desert and mountain trails. The table connects each listed edition with its course model, terrain, cutoff, detailed event record, and official organizer sources.

Arizona races
5
Terrain types
3
Active or upcoming
3

Compare Arizona 100-Mile Races

Use this as a first comparison, then open each race page for aid, crew, elevation, weather, and logistics notes before following the official rules link.

Verified Arizona 100-mile races with listed date, course model, terrain, and cutoff
RaceListed dateStatusCourseTerrainCutoff
Javelina Jundred — 100 MileWaitlist at the August 10 directory review.Oct 31 – Nov 1, 2026UpcomingLoopDesert30 hours, with a mandatory Loop 5 start cutoff
Coldwater Hundred — 100 MileThe 2027 event page was current at review but still linked the 2026 runner guide.Jan 16–17, 2027UpcomingLoopDesert32 hours, finishing by 3:00 PM Sunday
Bradshaw Brute 100The 2027 date and cutoff are published; elevation and surface figures on the event page are labeled from the 2026 course.May 2–3, 2027UpcomingPoint-to-pointMountain38 hours, finishing by 8:00 PM Monday
Flagstaff to Grand Canyon Stagecoach Line 100Sep 19–20, 2026Past editionPoint-to-pointTrail31 hours for solo runners, with mandatory intermediate cutoffs in the current manual
Mogollon Monster 100The 2026 edition has been run. The organizer's runner guide linked from the event page was last updated in August 2025.Sep 12–13, 2026Past editionPoint-to-pointMountain38 hours

Season and Environmental Demands

Arizona's 100-mile options are deliberately spread across different settings and times of year. Low-desert exposure, cool nights, higher-elevation terrain, wind, and storms can produce very different race plans even within one state.

Treat the event record as comparison context rather than a forecast. Use the organizer's latest runner guide and a current local forecast for final clothing, water, cooling, and travel decisions.

Loop, Crew, and Travel Logistics

A looped race may simplify access to food, shoes, and crew, while a remote trail course can make aid gaps, vehicle access, pacers, drop bags, and withdrawal transport more important.

  • Check whether crew and pacers are allowed, restricted, or unnecessary
  • Confirm the actual start venue rather than relying on the nearest city
  • Compare intermediate cutoffs and access—not only the finish limit

Active and Upcoming Arizona 100-Mile Races

Listed Arizona editions that have not yet ended, ordered by race date.

Recent Arizona 100-Mile Editions

Source-checked listed editions retained after their date for course and organizer research.

Calendar FAQs

How many Arizona 100-mile races are listed here?

The count shown at the top is generated from the source-checked event registry. It can change as editions are verified, archived, added, or removed.

Are all Arizona 100-milers desert races?

No. The listed races include short desert loops, point-to-point mountain crossings, and forest or high-country trails. Compare terrain, elevation, season, aid access, and course model on the individual event pages.

Which Arizona 100-mile race is easiest?

The directory does not rank races as easiest. A flatter loop may simplify navigation and supplies, but heat, repetitive loading, cutoffs, entry standards, and personal experience can still make it unsuitable for a particular runner.

Current calendar: Arizona