High Lonesome 100
- Date Fri 18th July 2025 - Sat 19th July 2025
- Time 6:00AM EST
- Location Nathrop, Colorado
- Price $473.50
- Races 1 race
- Distances Ultra
Event summary
Get ready for an unforgettable adventure at the High Lonesome 100, taking place from July 18 to July 19, 2025, in the breathtaking Nathrop, Chaffee area of Colorado! This extraordinary endurance race offers a challenging 101-mile loop through the majestic Sawatch Range of the Rocky Mountains, featuring an impressive 23,500 feet of vertical gain and a high point of 13,100 feet. Runners will traverse stunning single track trails, including sections of the iconic Continental Divide and Colorado Trail, exploring ghost towns, crossing five alpine passes, and navigating remote basins and soaring ridges.
Whether you're an experienced ultra-runner or a passionate newcomer, the High Lonesome 100 promises a true mountain racing experience infused with the spirit of classic 100-milers. With a supportive community of seasoned participants and staff, you'll find camaraderie and encouragement every step of the way. Join us for this incredible race and take on the challenge of a lifetime in one of Colorado's most beautiful landscapes!
Whether you're an experienced ultra-runner or a passionate newcomer, the High Lonesome 100 promises a true mountain racing experience infused with the spirit of classic 100-milers. With a supportive community of seasoned participants and staff, you'll find camaraderie and encouragement every step of the way. Join us for this incredible race and take on the challenge of a lifetime in one of Colorado's most beautiful landscapes!
Organiser's Description
The High Lonesome 100 is a high flying endurance race in the Sawatch range of the Colorado Rocky Mountains. With 23,500' of vertical gain and reaching an elevation of 13,100', it's a hell of a course. The race runs in a loop through some of the most beautiful single track in the state, and takes runners on the Continental Divide and Colorado Trail, through 2 ghost towns, over 5 alpine passes, through remote basins, and over soaring ridges. It's also run and staffed by experienced and quality individuals, so you'll get to be a part of a wonderful community. If you're looking for a true mountain race, created in the spirit of the classic 100 milers, then look no further.
STATS
* Entry fee: $450
* Start/Finish Location: County Road 321, Mount Princeton, Colorado (coordinates: 38.740282, -106.161237)
* Distance: 101 miles
* Average Elevation: 10,600'
* High Point: 13,100'
* Low Point: 8,150'
* Total Elevation Gain: 23,500'
* Cut off: 37 hours
* Course type: 66% single track, 21% mining roads, 10% gravel roads, and 3% paved roads
STATS
* Entry fee: $450
* Start/Finish Location: County Road 321, Mount Princeton, Colorado (coordinates: 38.740282, -106.161237)
* Distance: 101 miles
* Average Elevation: 10,600'
* High Point: 13,100'
* Low Point: 8,150'
* Total Elevation Gain: 23,500'
* Cut off: 37 hours
* Course type: 66% single track, 21% mining roads, 10% gravel roads, and 3% paved roads
Races
-
100 Miler
Incl. $23.50 Fee & T-Shirt
Fri 18th July 2025 (6:00AM EDT)
$473.50
Includes: T-shirt, 750ml custom engraved bottle of Laws Whiskey, free professional race photos from Mile 90 Photography, live runner tracking, and a handmade-in-Colorado belt buckle (if you finish!).
Reviews
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