Ereno 20K is the 20.0km trail race at Puerto Vallarta by UTMB 2027 (Canopy River Park, Mexico). The race starts on March 6, 2027 at 06:45 AM. It starts in Canopy River Park. The time limit is 5 h 30 min.
Run hard on the first mountain, but save energy for the second.
The course climbs 1050m+. With 53m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 41% of the distance is uphill, 46% downhill and 13% flat. The longest climb runs 7.2km at an average 7.4% grade (529m of vertical). The longest descent runs 9.6km at an average 10.0% grade (963m of vertical). The steepest climb averages 36.8% over 0.7km. The steepest descent drops at 25.2% over 0.3km. Surface: 35% smooth, 21% road, and 8% trail. Flat-equivalent effort: 29.9 FlatKM.
The highest summit on the course is The Cross (118m), 17.9km from the start.
Poles bring little benefit here: only about 1.0km of pole-friendly terrain.
Quad damage risk is low (index 19 of 100): a few descents worth noting, none of them decisive.
On race day, start temperatures have historically ranged from 18°C to 22°C, with around 21°C at the highest point; the chance of precipitation is about 3%.
This page has 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 2027Hikuri 81K (81.0km)·Nakawé 53K (53.0km)·Haramara 37K (37.0km)
Other editions of Ereno 20K2026
Official websitepuerto-vallarta.utmb.world