WHO IS: The Long Ranger

THE LONG RANGER is Justin Simoni when pursuing his personal Trinity of Mountain Arts: trail running, mountain biking, and mountaineering.


It is when remixing these activities that THE LONG RANGER creates new and compelling challenges out-of-doors.

THE LONG RANGER champions living simply, a Do It Yourself attitude,  involvement over spectatorship, and a desire for adventure.

Guided Backpacking Trips

Justin guides through Andrew Skurka Adventures, LLC. View the backpacking trip schedules, and reserve a spot, today.

Ongoing Challenges

Longs Peak  by Bike

With Longs Peak being of close-enough proximity to Boulder to ride to by bike and back, the mountain has been a long-term focus of mine in the realm of Longs Peak duathlons. Some notable firsts, accomplishments and interesting facts:

  • Most Lifetime Longs Peak Duathlons: dozens
  • First Known Winter Longs Peak Duathlon: 3/12/14
  • Most Winter Longs Peak Duathlons: 5
  • Most Different Routes used to Summit during a Longs Peak Duathlon:
  • FKT Longs Peak Duathlon via Keyhole, strictly following the trail (no shortcuts below treeline): 9h58m, 8/10/2015
  • First/Only/Fastest Known Longs Peak Duathlon Radical Slam (Radical Slam summits Longs Peak as well as Estes Cone, Battle Mountain, Mt. Lady Washington, Storm Peak, Pagoda Mountain, and Mt. Meeker): 7/19/2014
  • Most Longs Duathlon Radical Slams: 3; 7/19/2014, 10/30/16, 6/17/16,
  • First to complete the Longs Peak Duathlon from each of the three main trailheads: Wild Basin (4/12/2017), East Longs TH (6/1/13), Glacier Gorge (11/9/2016)
  • Closest to finishing the Self Powered Longs Peak Project: (summit Longs Peak by a different route, for every month of the year, open project) in 2016:
    • August: Cables
    • September: Keyhole
    • October: Radical Slam
    • November: Trough Direct to Southwest Ridge
  • Current Self-Powered Longs Peak Project Progress (2019):
    • January: Keyhole
    • February: Cables
    • March: Loft
  • First to tick a Duathlon in every month of the year (lifetime)
  • Longest time to summit Longs Peak by bike, leaving and returning to the same location: 34+ days, 2014; 60+ days; 2017

Past Adventures

Stuck on Freeway: eleven miles (240 pitches) on The Second Flatiron, Boulder Colorado (2018)

The Complete Mosquito-Tenmile Range Traverse (2018)

Knowing When To Just Go For It: The Mosquito-Tenmile Range Traverse

Only Known Time (OKT) traverse of the entire Mosquito-Tenmile range from Trout Creek Pass to Frisco, CO. 3+ days.

Tour of the Highest Hundred, 2017

Self-Powered, Self-Supported FKT of the Highest Hundred Peaks of Colorado; 60+ days.

Everesting Green Mountain, Boulder Colorado (2017)

Thirteen out-and-back laps up Green Mountain without rest to match the elevation of Mt. Everest.

Tour 14er, 2014

Self-Powered, Self-Supported FKT of the 58 14ers of Colorado; 34 days, 12 hours.


Tour Divide (twice), 2011, 2012

Self Supported Mountain Bike Race across the United States