2016 - 2017 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 15 races.

15 races

Greenland Trail 50k

Greenland Trail 50k
  • 2016-05-01
  • USA | Colorado | Greenland
  • Ultramarathon - 50 kilometers
  • Trail

Cactus to Cloud Trail Run

  • 2016-05-07
  • USA | New Mexico | Cloudcroft
  • Ultramarathon - 50 kilometers
  • Trail

Collegiate Peaks Trail Run

Collegiate Peaks 50M Trail Run
  • 2016-05-07
  • USA | Colorado | Buena Vista
  • Ultramarathon - 50 miles
  • Trail

Adrenaline Night Run

Adrenaline 65K Night Run
  • 2016-05-14
  • USA | Arizona | McDowell Mountain Regional Park, Fountain Hills
  • Ultramarathon - 65 kilometers
  • Trail Aravaipa Running Night

Quad Rock 50

Quad Rock 50
  • 2016-05-14
  • USA | Colorado | Fort Collins
  • Ultramarathon - 50 miles
  • Trail

Grand Canyon Ultras

Grand Canyon 100 Mile
  • 2016-05-21
  • USA | Arizona | Dry Park Meadows
  • Ultramarathon - 100 miles
  • Trail Ultra Adventures Mountain

Grand Canyon Ultras

Grand Canyon 50K
  • 2016-05-21
  • USA | Arizona | Dry Park Meadows
  • Ultramarathon - 50 kilometers
  • Trail Ultra Adventures Mountain

Grand Canyon Ultras

Grand Canyon 50 Mile
  • 2016-05-21
  • USA | Arizona | Dry Park Meadows
  • Ultramarathon - 50 miles
  • Trail Ultra Adventures Mountain

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

Jemez Mountain Trail Runs 50K
  • 2016-05-21
  • USA | New Mexico | Los Alamos
  • Ultramarathon - 50 kilometers
  • Hilly Trail

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

Jemez Mountain Trail Runs 50-Mile
  • 2016-05-21
  • USA | New Mexico | Los Alamos
  • Ultramarathon - 50 miles
  • Hilly Trail

Silver State

Silver State 50K
  • 2016-05-21
  • USA | Nevada | Reno
  • Ultramarathon - 50 kilometers
  • Hilly Fun Trail

Silver State

Silver State 50-Miler
  • 2016-05-21
  • USA | Nevada | Reno
  • Ultramarathon - 50 miles
  • Hilly Fun Trail

Trails of Fury

Trails of Fury 50K
  • 2016-05-21
  • USA | Nevada | Cottonwood Valley, Las Vegas
  • Ultramarathon - 50 kilometers
  • Trail Desert Dash

Ride the Wind 100M/50M/25M

100M
  • 2015-05-02
  • USA | Nevada | Las Vegas
  • Ultramarathon - 100 miles
  • Trail Elemental Running and Training

Ride the Wind 100M/50M/25M

50M
  • 2015-05-02
  • USA | Nevada | Las Vegas
  • Ultramarathon - 50 miles
  • Trail Elemental Running and Training