100 kilometers through the wild peaks of Sierra de Arteaga
One of northern Mexico's most respected 100-kilometer mountain challenges, tracing high ridgelines and forest trails through the Sierra de Arteaga. With 5,340 meters of climbing and a 22-hour cutoff, the 100K demands solid ultramarathon experience and high-altitude preparation. Runners share the start with the 163K field at 4:00 AM, experiencing the Sierra's mountain terrain in darkness before sunrise reveals the stunning Coahuila landscape.
Experienced ultrarunners
Arteaga, Coahuila, MexicoJuly 25, 2026
Ultra Coahuila 100K is a loop trail race in Arteaga, Coahuila, Mexico, held on July 25, 2026. The course covers 100 km, climbs 4,401 m, and has a 22h cutoff.
| Location | km | Elevation | Cutoff | Crew | Drop bags |
|---|---|---|---|---|---|
Start Start | 0.0 | 2,766 m | — | ||
km 37 Aid Station Aid Station | 37.0 | 2,332 m | 8h | ||
km 62 Aid Station Aid Station | 62.0 | 2,789 m | 14h | ||
km 90 Aid Station Aid Station | 90.0 | 2,872 m | 20h | ||
Finish Finish | 100.0 | 2,762 m | 22h |
Aid station details for this race are still being filled in. Cutoffs and access rules come from the race’s own published information and can change — check the official race details before planning around them.
Sign in for race-day weather at every station, points of interest, segment-by-segment analysis, pacing, and to save this race to your calendar.
Bosques de Monterreal resort offers cabin-style hotel rooms and full cabins at the race venue. All expo activities and race bib pickup occur on-site. Book early — prices increase closer to the event. Contact: 844 438-8170 / 818 333-8430.
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