Quito 80K Oso

Course

The course climbs 4400 m+. With 58 m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 59% of the distance is uphill, 31% downhill and 10% flat. The longest climb runs 8.5 km at an average 5.3% grade (453 m of vertical). The longest descent runs 4.8 km at 15.6% (744 m of vertical). The steepest climb averages 44.4% over 0.4 km. The steepest descent drops at 39.6% over 0.2 km. Surface: 43% trail, 26% road, and 21% smooth. Flat-equivalent effort: 105.6 FlatKM.

Poles

Poles bring little benefit here — only about 15.2 km of pole-friendly terrain.

Quad damage

Quad damage risk is moderate (index 35 of 100), with 21% of the load in the first half: 0 descents deserve a plan and a couple of downhill sessions before race day.

• Control on the marked descents until km 37, target pace until km 59, free after that. Short descents not listed: target pace.
• 47.9–53.4 km · 425 m D−, -7.7% · 28% of the race ahead → target pace
• 54.7–57.9 km · 347 m D−, -10.7% · 22% of the race ahead → target pace
• 69.3–74.1 km · 744 m D−, -15.6% · 0% of the race ahead → even, let go at the end

Weather

Historically on race day, start temperatures range from 17°C to 18°C, around 10°C at the highest point; the chance of precipitation is about 23%. Heavy rain of 10.0 mm or more falls on about 1% of days around this date.

Results

144 finishers completed the 2026 edition. Men's winner: Joaquin Lopez (Ecuador) in 8:12:38. Women's winner: Maria-Mercedes Pila (Ecuador) in 10:36:05.