Classic 16K is the 16.0km trail race at South American Mountain and Trail Championships 2026 (Palermo, Bolivia). The race starts on April 17, 2026. It starts in Palermo. The time limit is 2 h.
Run hard on the first mountain, but save energy for the second.
The course climbs 1110m+. With 69m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 45% of the distance is uphill, 45% downhill and 10% flat. The longest climb runs 4.5km at an average 12.0% grade (535m of vertical). The longest descent runs 5.9km at an average 10.9% grade (644m of vertical). The steepest climb averages 31.5% over 0.3km. The steepest descent drops at 38.3% over 0.4km. Flat-equivalent effort: 25.3 FlatKM.
Trekking poles are worth taking: about 2.8km of the course favours them.
Quad damage risk is low (index 15 of 100): a few descents worth noting, none of them decisive.
On race day, start temperatures have historically ranged from 18°C to 23°C, with around 20°C at the highest point; the chance of precipitation is about 35%. Heavy rain of 10.0mm or more falls on about 7% of days around this date.
112 finishers completed the 2026 edition. Men's winner: GASTON CAMBARERI (Argentina) in 1:29:05. Women's winner: ROCIO GONZALEZ (Paraguay) in 1:47:06.
This page has the full results and splits, a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Classic 16K.
Other distances of South American Mountain and Trail Championships 2026Long Trail 80K (80.0km)·Short Trail 42K (42.0km)
Official websiteecotrailbolivia.com