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 16 races.

16 races

  • 1

Greenland Trail 50k

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

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

Cactus to Cloud Trail Run

  • 2015-05-02
  • USA | New Mexico | Cloudcroft
  • Ultramarathon - 50 kilometers
  • Trail

Collegiate Peaks Trail Run

Collegiate Peaks 50M Trail Run
  • 2015-05-02
  • USA | Colorado | Buena Vista
  • Ultramarathon - 50 miles
  • Trail

Sinister Night Trail Runs

Sinister Night 54K Trail Run
  • 2015-05-02
  • USA | Arizona | San Tan Mountain Regional Park, Queen Creek, AZ
  • Ultramarathon - 54 kilometers
  • Night Trail Aravaipa Running

Quad Rock 50

Quad Rock 50
  • 2015-05-09
  • USA | Colorado | Fort Collins
  • Ultramarathon - 50 miles
  • Trail

Grand Canyon Ultras

Grand Canyon 100 Mile
  • 2015-05-16
  • USA | Arizona | Dry Park Meadows
  • Ultramarathon - 100 miles
  • Trail Ultra Adventures Mountain

Grand Canyon Ultras

Grand Canyon 50K
  • 2015-05-16
  • USA | Arizona | Dry Park Meadows
  • Ultramarathon - 50 kilometers
  • Trail Ultra Adventures Mountain

Grand Canyon Ultras

Grand Canyon 50 Mile
  • 2015-05-16
  • USA | Arizona | Dry Park Meadows
  • Ultramarathon - 50 miles
  • Trail Ultra Adventures Mountain

Silver State

Silver State 50K
  • 2015-05-16
  • USA | Nevada | Reno
  • Ultramarathon - 50 kilometers
  • Hilly Fun Trail

Silver State

Silver State 50-Miler
  • 2015-05-16
  • USA | Nevada | Reno
  • Ultramarathon - 50 miles
  • Hilly Fun Trail

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

Jemez Mountain Trail Runs 50K
  • 2015-05-23
  • 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
  • 2015-05-23
  • USA | New Mexico | Los Alamos
  • Ultramarathon - 50 miles
  • Hilly Trail

Trails of Fury

Trails of Fury 50K
  • 2015-05-23
  • USA | Nevada | Cottonwood Valley, Las Vegas
  • Ultramarathon - 50 kilometers
  • Trail Desert Dash
  • 1