Parco Regionale della Grigna Settentrionale, Lombardia, Italia
20.5 miles (33.1 km) · 10,648 ft elevation gain · Loop · trail · Race
Grigne Skymarathon is a 20.5-mile loop race in Parco Regionale della Grigna Settentrionale, Lombardia, Italia, gaining 10,648 feet of elevation. The race follows a up-and-over elevation profile. The terrain breaks into 6 distinct sections including 2 significant climbs. The longest climb covers 8.8 miles gaining 5,802 feet at an average 15.4% grade. Only 27% of the terrain is runnable — expect substantial hiking throughout. The race opens with a climb and finishes with a descent.
| Distance | 20.5 mi (33.1 km) |
| Elevation gain | 10,648 ft (3,246 m) |
| Average gain | 518 ft per mile (98 m per km) |
| Longest climb | 8.8 mi, 4,879 ft of gain |
| Steepest climb grade | 72% |
| Runnable | 27% of the route |
| Climbs / descents | 2 climbs, 4 descents |
| Profile shape | Up, then down |
| Difficulty score | 19.1 of 100 |
| Surface | trail |
| Route shape | Loop |
| Type | Race |
| Grade band | Share of route |
|---|---|
| Flat | 15% |
| Mild uphill | 4% |
| Moderate uphill | 7% |
| Steep uphill | 31% |
| Mild downhill | 3% |
| Moderate downhill | 5% |
| Steep downhill | 35% |
Grigne Skymarathon has 10,648 ft (3,246 m) of elevation gain over 20.5 miles (33.1 km). That averages 518 ft of gain per mile.
The difficulty score for Grigne Skymarathon is 19.1 of 100. That is harder than 89.7% of routes at a similar distance. About 27% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.
The longest climb on Grigne Skymarathon runs 8.8 miles (14.1 km) and gains 4,879 ft (1,487 m). The steepest climb grade on the route is 72%.
Preview this trail in 3D flyover, view the elevation profile, and explore the segment breakdown.
View Full Route Details →