Saint Louis County, Missouri, United States
29.3 miles (47.2 km) · 3,901 ft elevation gain · Loop · trail · Route
Green Rock Trail (MO) is a 29.3-mile loop route in Saint Louis County, Missouri, United States, gaining 3,868 feet of elevation. The route follows a rolling elevation profile. The terrain breaks into 9 distinct sections including 4 significant climbs. The longest climb covers 2.7 miles gaining 619 feet at an average 4.5% grade. Approximately 78% of the route is runnable at a steady effort. The route opens with a climb and finishes with a descent.
| Distance | 29.3 mi (47.2 km) |
| Elevation gain | 3,901 ft (1,189 m) |
| Average gain | 133 ft per mile (25 m per km) |
| Longest climb | 4.5 mi, 206 ft of gain |
| Steepest climb grade | 26.8% |
| Runnable | 78% of the route |
| Climbs / descents | 4 climbs, 3 descents |
| Profile shape | Rolling |
| Difficulty score | 6 of 100 |
| Surface | trail |
| Route shape | Loop |
| Type | Route |
| Grade band | Share of route |
|---|---|
| Flat | 12% |
| Mild uphill | 30% |
| Moderate uphill | 9% |
| Steep uphill | 7% |
| Mild downhill | 28% |
| Moderate downhill | 9% |
| Steep downhill | 6% |
Green Rock Trail (MO) has 3,901 ft (1,189 m) of elevation gain over 29.3 miles (47.2 km). That averages 133 ft of gain per mile.
The difficulty score for Green Rock Trail (MO) is 6 of 100. That is harder than 49.5% of routes at a similar distance. About 78% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.
The longest climb on Green Rock Trail (MO) runs 4.5 miles (7.2 km) and gains 206 ft (63 m). The steepest climb grade on the route is 26.8%.
Preview this trail in 3D flyover, view the elevation profile, and explore the segment breakdown.
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