Sarpourenx, Nouvelle-Aquitaine, France
8.1 miles (13.1 km) · 493 ft elevation gain · Loop · trail · Route
Circuit de randonnée Biron - Maslacq - Castetner is a 8.1-mile loop route in Sarpourenx, Nouvelle-Aquitaine, France, gaining 493 feet of elevation. The route follows a rolling elevation profile. The terrain breaks into 5 distinct sections including 1 significant climb. The longest climb covers 1.7 miles gaining 385 feet at an average 4.1% grade. Approximately 91% of the route is runnable at a steady effort. The route opens with flat terrain and finishes with a gradual climb.
| Distance | 8.1 mi (13.1 km) |
| Elevation gain | 493 ft (150 m) |
| Average gain | 61 ft per mile (11 m per km) |
| Longest climb | 1.7 mi, 367 ft of gain |
| Steepest climb grade | 15.2% |
| Runnable | 91% of the route |
| Climbs / descents | 1 climbs, 1 descents |
| Profile shape | Rolling |
| Difficulty score | 2.8 of 100 |
| Surface | trail |
| Route shape | Loop |
| Type | Route |
| Grade band | Share of route |
|---|---|
| Flat | 77% |
| Mild uphill | 7% |
| Moderate uphill | 4% |
| Steep uphill | 2% |
| Mild downhill | 5% |
| Moderate downhill | 2% |
| Steep downhill | 3% |
Circuit de randonnée Biron - Maslacq - Castetner has 493 ft (150 m) of elevation gain over 8.1 miles (13.1 km). That averages 61 ft of gain per mile.
The difficulty score for Circuit de randonnée Biron - Maslacq - Castetner is 2.8 of 100. That is harder than 29% of routes at a similar distance. About 91% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.
The longest climb on Circuit de randonnée Biron - Maslacq - Castetner runs 1.7 miles (2.7 km) and gains 367 ft (112 m). The steepest climb grade on the route is 15.2%.
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