Event Overview
| Date | Mar 29 - Apr 4, 2027 |
|---|---|
| Location | Patagonia to Superior, Arizona, USA |
| Format | 200+ Mile |
| Terrain | Desert |
| Region | North America |
| Distance / duration | 300.5 mi |
| State / area | Arizona (AZ) |
| Course model | Point-to-point |
| Edition note | The organizer and registration page agree on March 29–April 4, 2027. Their elevation totals differ, so no single climbing figure is asserted here; use the final runner manual and course files when released. |
| Cutoff | 150 hours |
| Start | 12:00 PM Monday |
| Highlights | Sonoran Desert, 150-Hour Limit |
Course & Terrain
Point-to-point desert and mountain route from Patagonia to Superior in southern Arizona.
Entry & Logistics
| Registration and fees | Check the official event website for current availability, deadlines, prices, taxes, and refund terms. |
|---|---|
| Support model | 19 aid stations, including sleep support, with drop-bag transport and a bus option to the start. |
| Logistics note | The October 8 source check found registration available, with a published closing date of February 26, 2027 at 11:59 PM Mountain Time. Availability can change. |
Why This Race Matters
Arizona Monster 300 is a useful reference point for runners comparing long fixed-distance ultras that still unfold over multiple days. Its format, terrain, and support model shape the kind of preparation required: not just fitness, but pacing discipline, nutrition planning, foot care, and the ability to make good decisions under fatigue.
Preparing for a Race Like Arizona Monster 300
The 200-mile race guide covers the format as a whole. These guides go deeper:
- 200-mile race strategy: Pacing, sleep loss, aid stations, navigation, crew and feet, with a worked Moab 240 plan.
- Sleep strategy for multiday races: An individual sleep plan with safe locations and clear stop criteria.
- Crew and aid-station strategy: Crew tables, aid stops, drop bags and runner preferences.
- Foot-care kit for multiday running: Tape, lube, socks, blister pads and simple hot-spot rules.
Planning Notes
- Prepare for sleep decisions, weather swings, and aid-station discipline. The distance is only one part of a multi-day fixed-distance race.
- Heat, sun, and dry air require event-specific preparation. Test sun protection and cooling, drink in response to thirst, and remember that sodium cannot make overdrinking safe.
- The directory does not mark this as having simpler logistics. Confirm qualification, terrain, support, registration, medical, and withdrawal requirements before planning around it.
- Remote desert and mountain conditions
- Official sources currently disagree on elevation totals
Related Preparation
- Browse Arizona Ultramarathons
- Open the 200+ Mile format guide
- Compare all race formats
- Use the timed-race pace calculator
- Plan checkpoint arrivals and cutoff buffers
- Build a crew and drop-bag plan
- Build a race-specific gear checklist
Verification & Sources
Verification scope: the listed edition's date, location, format, and available logistics were checked against the event-specific official sources below during the directory review dated October 8, 2026. Organizers can revise details after review.
- Official Arizona Monster 300 course overview — https://www.destinationtrailrun.com/arizona-monster-300
- Official 2027 event dates and schedule — https://www.destinationtrailrun.com/race-calendar/az-300-2027
- Organizer’s 2027 entry and race information — https://ultrasignup.com/register.aspx?did=138071
- Multiday Running event directory review scope: October 8, 2026.