Ultra Cheii 100 Mile (Solo & Relay)
Register Saturday, May 23, 2026 @ 8:00 AM in Tijeras, NM. This race takes place on a 1.05 mile loop with approx. 180' feet of gain per loop. Solar lights every few feet make the entire loop magical at night (though you still need a headlamp). The 100-mile distance is 97 loops. There are two bathrooms and two aid stations on the loop: basecamp is our main aid, but there is also a water-only and drop bag pavillion halfway through. The trail is 100% singletrack through the woods, has a lot of variety, very little flat, some technical portions, dust, heat, shade - you get it all.
100 Mile Solo
This race is logistically a piece of cake. With the ability to return to camp every mile, no cutoffs mid-race, and more support than any race we've ever run, you have every opportunity to travel light and work hard. You must keep a 24 min/mile average to finish.
- Drop bags are allowed at basecamp and the pavillion, both of which are covered.
- Pacers are allowed starting at sunset (about 8pm).
Camping & Parking
This event is generously hosted on private land that borders national forest, so we get to bring the party. Camping is offered Friday starting at 12pm, Saturday night, and Sunday night only. Bring your tent, hammock, or van. Camping is free, though an email reservation is required (for planning purposes). Sorry, no campers or RVs (for spatial purposes). [email protected]
Time Limit & Cutoffs
100-mile relay and solo cutoff: 40 hours, or midnight Sunday. The race starts at 8:00 am Saturday morning (sunrise 5:56am)
Awards
100-mile solos get a buckle. A big, nice one. 100-mile relay racers each receive a finisher award (not a buckle). All runners will also get sunglasses, Avidya buff, and Ultra Cheii race t-shirt.
100 Miler Registration
$300.00 Total: $348.79 (incl. taxes & fees)
*Price after Dec 31: $325.00 ($377.57 incl. taxes/fees)
100 Mile Relay Registration
$150.00 Total: $176.14 (incl. taxes & fees)
