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Lone Star 100

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Run or hike your way around this challenging course, which climbs to one of the highest points in the Rocky Mountains. This event allows you to explore El Paso in a novel way, and you'll be supported throughout by friendly volunteers and plentiful supplies.

How to enter the Lone Star 100

  1. 100 Miler

    Run 100mi
    Event passed
  2. 100K

    Run 100km
    Event passed
  3. 100K Relay

    Run 100km
    Event passed

Training Plans by Let's Do This - Lone Star 100

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Lone Star 100 routes

This is a true Texan challenge, taking in the rugged terrains of the Rocky Mountains in El Paso. The trail route starts at around 5000ft, and goes as high as 7,192ft at the top of North Franklin Peak.

100 Miler

3 anti-clockwise loops of 33.7 miles. Total elevation gain: approx. 21,000ft


2 anti-clockwise loops of 31.8 miles/51.2km. Total elevation gain: approx. 13,500ft

There will be 4 Aid Stations along the route

Event Details

What’s Included
  • Belt Buckles:
    • 100 Miler: Silver for under 36hrs, Gold for under 24hrs
    • 100K: all finishers
    • 100K Relay: all finishers
  • 4 Aid stations
  • Volunteer support
  • Chip Timing
  • Race merchandise
  • 100K Relay runners will get long-sleeve tech t-shirts
  • 100 miler and 100K runners will receive outerwear


Medals for:

100K Relay:

  • 100 Miler & 100K:
    • 1st, 2nd, 3rd Men and Women overall
    • 1st, 2nd, 3rd Men and Women over 50yo
  • 100K Relay: 1st, 2nd, 3rd Team
Raceday Logistics


Friday 7th February:

  • 12:00 - Packet Pickup opens at the Start Line
  • 16:00 - Meeting for racers
  • 17:00 - Meeting finishes
  • 19:00 - Packet Pickup closes

Saturday 8th February:

  • 04:00 - Packet Pickup at Start Line
  • 05:00 - 100 Miler race starts
  • 06:00 - 100K and 100K Relay races start
  • 07:00 - Packet Pickup closes

Sunday 9th February:

  • 17:00 - cutoff time for all races at the Upper Sunset Parking Lot
Kit List

Cups are not used at the aid stations in order to cut down on waste, so you must bring your own reusable cups, bottles, hydration packs, etc.

It may get cold, so please make sure to pack some warm clothing, especially for when it gets dark.

Recommended items for your Drop Bag:

  • Battery pack and cable
  • Gaiters
  • Warm Jacket
  • Warm leggings
  • Hat and gloves
  • Hiking Poles
  • Electrolyte tablets and caffeine pills
  • Medicine (including blister kit)
  • Headlamp (with spare batteries)
  • Sealable plastic bags
  • Spare water bottle
  • Your own food/gels/snacks/drinks
  • Wet wipes and tissues

Crew and Support are allowed, but must pay $5 for every day that they enter the park. There are designated areas for crewing at all aid stations, but these are not areas for spectating.


Shifts for volunteering will last 4-8 hours. If you want to sign up to volunteer, you are welcome to email [email protected]

All volunteers will receive:

  • Free park entry
  • Camping area
  • Race merch
  • Meals provided

If you do 1 shift, you will get 50% race credit for a future one-day race. If you do 2 shifts, you will get 100% credit for a future one-day race.

Frequently Asked Questions

Are there cut-off times?
Yes, you are allowed 36 hours to complete the 100 miler or 35 hours to complete the 100k. The final cut off is at 5pm on Sunday 9th February. Further cut-offs are as follows: 24hrs (Sunday 5am): you must have started your final loop for all races 29hrs (Sunday 10am): you must have passed Mundys and started your descent 31hrs (Sunday 12pm): you must have passed the East Aid Station 33hrs (Sunday 2pm): you must have passed the West Aid Station
What will be at the aid stations?
Medical: bandages, vasoline, band aids, and medical personnel Drinks: Gatorade, Water and Hammer Heed Endurolytes; Red Bull; Coke, Ginger Ale, Orange Juice Sweet snacks: cookies, candy bars, peanut butter, nutella Salty snacks: pringles, trail mix Other cold foods: PB&J Sandwiches, bean burritos, bananas, oranges, and assorted fruits Hot foods: Quesadillas, soups, ramen, potatoes, grilled cheese sandwiches. There will be vegan, vegetarian, and gluten free options
Can I have a pacer?
100 Milers: for the 3rd loop only 100K: for the 2nd loop only Over 65yo runners: throughout 100K relay: not allowed.
Can I leave spare equipment anywhere?
Yes, you can leave a drop bag at all aid stations except Mundys Gap. You must drop these off on Friday evening or on Saturday morning before 4:45am.
Have a question? Get answers from our team.

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Lone Star 100 weather forecast

Clear throughout the day.

Predicted highs
Predicted lows
IconLight breeze possible, up to 6mph

Meet the organizer

Committed to growing awareness of the best trail running events in Texas, from 5k races to 200 mile ultras, from fast and flat courses to challenging hill climbs.

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