QUALIFICATIONS : 100 Mile only

This is not an easy race and as such, we strictly enforce qualification standard for the 100 mile event. All entrants will be required to have completed a 100 mile race OR a 50 mile race or greater from the list below within two years of race day. The qualification period for the 2019 event will run from March 1, 2017 to September 14, 2019. 

**Qualifying races:

• Any official 100 mile finish within the race's posted cutoff time
• Mogollon 105K (for 2019)
• Zane Grey 50 Miler
• Georgia Death Race 68 Miler
• Black Canyon 100K
• Hellgate 100K
• Never Summer 100K
• Tushars 100K
• Kat'cina Mosa 100K
• **If there is a 100K race you would like us to consider, please contact us directly HERE

Additional races may be added, but they must be of sufficient difficulty if shorter than the 100 mile distance. Consideration is at the race director's discretion. 

REGISTRATION

Registration is now open. Online registration is available through Ultrasignup.com and we have a mail-in entry if you prefer. There will be a 225 (total) runner limit.

Online Registration Link
Mail-In Entry Form 100 Mile
Mail-In Entry Form 105K & 35K

Hardrock 100 Qualifier

The Hardrock Hundred again includes the Mogollon Monster 100 as a qualifying race for their 2019 run.  You may use a finish from the 2017 or 2018 Monster 100 miler to qualify for their lottery. See additional details here: Hardrock 100 Qualifying Races

The Monster is NOT a Western States 100 qualifier.  
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UTMB Mont-BLANC Qualifier

The 2019 Mogollon Monster 100 mile distance is again worth 6 points for the UTMB Mont-Blanc series of races. The 105K distance is worth 4 points. See additional details here: UTMB Mont Blanc Qualifying Races
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WITHDRAWAL Policy

For participants withdrawing from the race, please see Aravaipa Running's withdrawal policy. Although we cannot offer refunds or transfers, we have a race credit policy that can be utilized at any of our upcoming endurance events.