Haramara 37K is the 37.0km trail race at Puerto Vallarta by UTMB 2027 (Malecón Puerto Vallarta, Mexico). The race starts on March 6, 2027 at 05:00 AM. It starts in Malecón Puerto Vallarta. The time limit is 9 h.
Run hard on the first mountain, but save energy for the second.
The course climbs 1600m+. With 43m/km of climbing, this is a rolling, mostly runnable course. By gradient, 36% of the distance is uphill, 36% downhill and 28% flat. The longest climb runs 6.7km at an average 6.7% grade (450m of vertical). The longest descent runs 9.7km at an average 9.9% grade (951m of vertical). The steepest climb averages 36.7% over 0.7km. The steepest descent drops at 25.7% over 0.2km. Surface: 41% smooth, 27% road, and 6% trail. Flat-equivalent effort: 52.6 FlatKM.
The highest summit on the course is The Cross (118m), 34.4km from the start.
Poles bring little benefit here: only about 1.4km of pole-friendly terrain.
Quad damage risk is moderate (index 23 of 100), with 12% of the load in the first half: 0 descents deserve a plan and a couple of downhill sessions before race day.
On race day, start temperatures have historically ranged from 19°C to 23°C, with around 24°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 Haramara 37K.
Other distances of Puerto Vallarta by UTMB 2027Hikuri 81K (81.0km)·Nakawé 53K (53.0km)·Ereno 20K (20.0km)
Other editions of Haramara 37K2026
Official websitepuerto-vallarta.utmb.world