2015 - 2016 Mountain Region Trail Ultramarathon Calendar in May

Browse our Ultramarathon Calendar for races organized in Mountain Region during the month of May bearing the tag Trail among 17 races.

17 races

  • 1

Adrenaline Night Run

Adrenaline 65K Night Run
  • May 30, 2015 - 19:00
  • North America | USA | Mountain Region | Arizona | McDowell Mountain Regional Park, Fountain Hills
  • Ultramarathon - 65 kilometers
  • Night Trail Aravaipa Running

Ultimate Direction Dirty 30 Trail Run

Ultimate Direction Dirty 50K Trail Run
  • May 30, 2015 - 07:00
  • North America | USA | Mountain Region | Colorado | Golden Gate Canyon SP, Black Hawk
  • Ultramarathon - 50 kilometers
  • Trail

Greenland Trail 50k

Greenland Trail 50k
  • May 01, 2016 - 08:00
  • North America | USA | Mountain Region | Colorado | Greenland
  • Ultramarathon - 50 kilometers
  • Trail

Cactus to Cloud Trail Run

  • May 02, 2015 Inaugural race
  • North America | USA | Mountain Region | New Mexico | Cloudcroft
  • Ultramarathon - 50 kilometers
  • Trail

Collegiate Peaks Trail Run

Collegiate Peaks 50M Trail Run
  • May 02, 2015
  • North America | USA | Mountain Region | Colorado | Buena Vista
  • Ultramarathon - 50 miles
  • Trail

Ride the Wind 100M/50M/25M

Ride the Wind 100M
  • May 02, 2015
  • North America | USA | Mountain Region | Nevada | Las Vegas
  • Ultramarathon - 100 miles
  • Trail Elemental Running and Training

Ride the Wind 100M/50M/25M

Ride the Wind 50M
  • May 02, 2015
  • North America | USA | Mountain Region | Nevada | Las Vegas
  • Ultramarathon - 50 miles
  • Trail Elemental Running and Training

Sinister Night Trail Runs

Sinister Night 54K Trail Run
  • May 02, 2015 - 19:00
  • North America | USA | Mountain Region | Arizona | San Tan Mountain Regional Park, Queen Creek, AZ
  • Ultramarathon - 54 kilometers
  • Night Trail Aravaipa Running

Quad Rock 50

Quad Rock 50
  • May 09, 2015
  • North America | USA | Mountain Region | Colorado | Fort Collins
  • Ultramarathon - 50 miles
  • Trail

Grand Canyon Ultras

Grand Canyon 100 Mile
  • May 16, 2015 - 06:00
  • North America | USA | Mountain Region | Arizona | Dry Park Meadows
  • Ultramarathon - 100 miles
  • Trail Ultra Adventures Mountain

Grand Canyon Ultras

Grand Canyon 50K
  • May 16, 2015 - 07:00
  • North America | USA | Mountain Region | Arizona | Dry Park Meadows
  • Ultramarathon - 50 kilometers
  • Trail Ultra Adventures Mountain

Grand Canyon Ultras

Grand Canyon 50 Mile
  • May 16, 2015 - 06:00
  • North America | USA | Mountain Region | Arizona | Dry Park Meadows
  • Ultramarathon - 50 miles
  • Trail Ultra Adventures Mountain

Silver State

Silver State 50K
  • May 16, 2015 - 07:00
  • North America | USA | Mountain Region | Nevada | Reno
  • Ultramarathon - 50 kilometers
  • Hilly Fun Trail

Silver State

Silver State 50-Miler
  • May 16, 2015 - 06:00
  • North America | USA | Mountain Region | Nevada | Reno
  • Ultramarathon - 50 miles
  • Hilly Fun Trail

Jemez Mountain Trail Runs Half Marathon, 50K & 50-Mile Run

Jemez Mountain Trail Runs 50K
  • May 23, 2015 - 06:00
  • North America | USA | Mountain Region | New Mexico | Los Alamos
  • Ultramarathon - 50 kilometers
  • Hilly Trail
  • 1