2026 edition
Entry options are not yet confirmed for this edition. Check the organiser before making plans.
Decision summary
22:15:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Historical race-date favourability, not a forecast
Stored GPS route
Quick answers
raceindex.org has a GPS course file for Red Rock Canyon 100K Ultramarathon, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.
The Red Rock Canyon 100K Ultramarathon is described as mountainous. The course listing puts the climb at 2,195 m.
The Red Rock Canyon 100K Ultramarathon route starts at In front of the Red Rock Visitor Center (Red Rock Canyon National Conservation Area); 100K check-in 6:00 AM, start 7:00 AM and finishes at Town of Blue Diamond, Nevada (for the 100K and 50K). Underfoot, expect trail. It passes Red Rock Visitor Center, Sandstone Quarry, Grand Circle Loop, South Oak Creek and Blue Diamond. the 50K route passes through a Joshua Tree forest.
Drop bags available at South Oak Creek (mile 15), Blue Diamond (miles 19, 27 and finish) and Red Valley aid stations. Pacers allowed for the 100K; runners may pick up a pacer at the Late Night aid station (mile 44) or Red Valley aid station (mile 48.25).