Ereno 20K is the 20.0km trail race at Puerto Vallarta by UTMB 2026 (Puerto Vallarta, Mexico). The race starts on April 18, 2026 at 06:30 AM.
The course climbs 1050m+. With 53m/km of climbing, this is a true mountain course with sustained climbs and descents. Flat-equivalent effort: 32.3 FlatKM.
387 finishers completed the 2026 edition. Men's winner: Brayan Rodríguez Flores (Mexico) in 1:50:03. Women's winner: María Magdalena Barba Lazaro (Mexico) in 2:16:33.
This page has the full results and splits, a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Ereno 20K.
Other distances of Puerto Vallarta by UTMB 2026Wixarika 81K (81.0km)·Hikuri 53K (53.0km)·Haramara 37K (37.0km)
Official websitepuertovallarta.utmb.world