High Lonesome 100 2026 — Nathrop, CO

Date
July 17, 2026
Location
Nathrop, CO
Venue
Co Rd 321
Start Time
6:00 AM
Entry Fee
$465.00
Events
100 Miler
Includes
T-Shirt
View RegistrationOfficial Race Website

The High Lonesome 100 takes place in Nathrop, Colorado at Co Rd 321, featuring a single 100-mile ultra distance. The event starts at 6:00 AM on July 17, 2026. Entry costs $465.00. This ultra offers serious endurance athletes a significant summer challenge in Colorado's high country, demanding proper preparation and pacing strategy over the full 100-mile distance. Runners should plan their training accordingly for the demanding mileage and elevation typical of Colorado-based ultras. With a single distance option, participants commit to the full century run, making this suitable for experienced ultra runners ready for an extended mountain effort. Early registration is recommended given the specialized nature of 100-mile events and typical field limits.

From the Race Organizer
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: $465 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

Hotels Near This Race

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High Lonesome 100 2026 — Nathrop, CO

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Race Travel Insurance

Don't forget travel insurance for July 17.

You've trained for months and booked a trip to Nathrop, CO. A pre-race injury, a delayed flight, or a family emergency can derail the whole thing. Travel insurance can help cover your race entry fee, hotel, and flights if you can't make it, and may cover medical costs if something goes wrong on the course. Plans typically only run 5-7% of your total trip cost — and running events are covered under standard plans with no additional coverage needed.

  • Trip cancellation up to 100% of prepaid costs
  • Running events covered under standard plans — no add-ons needed
  • Trip interruption up to 150% of non-refundable costs
  • Emergency medical up to $250,000
  • Cancel For Any Reason add-on available
  • 24/7 real-time support
Get a Quote — Faye Travel Insurance

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Frequently Asked Questions

When is High Lonesome 100 2026 — Nathrop, CO?

High Lonesome 100 2026 — Nathrop, CO takes place on July 17, 2026. The race is held in Nathrop, Colorado.

Where is High Lonesome 100 2026 — Nathrop, CO held?

High Lonesome 100 2026 — Nathrop, CO is held at Co Rd 321 in Nathrop, Colorado.

Where can I find hotels near High Lonesome 100 2026 — Nathrop, CO?

RaceHotelFinder shows hotels sorted by distance from the race venue in Nathrop. Use the map or list view on this page to compare options and book race weekend accommodation.