Gray Course is a 83.0 km ultra trail of Boka Bay Trail 2027 in Port of Škver, Herceg Novi, Montenegro. The race starts on April 25, 2027. It starts in Port of Škver, Herceg Novi and finishes in North Gate (Tabačina), Kotor.
The course climbs 4100 m+ and descends 4100 m−. With 49 m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 43% of the distance is uphill, 46% downhill and 12% flat. The longest climb runs 9.8 km at an average 12.0% grade (1169 m of vertical). The longest descent runs 6.9 km at 13.7% (945 m of vertical). The steepest climb averages 39.7% over 0.2 km. The steepest descent drops at 37.4% over 0.2 km. Surface: 73% trail, 16% road, and 9% smooth. Flat-equivalent effort: 118.0 FlatKM.
The highest summit on the course is Kom (1154 m), 35.9 km from the start. Other named summits along the route: Vranovo Brdo (743 m). The course also passes close to Visoka Glava (1129 m).
Poles bring little benefit here — only about 15.4 km of pole-friendly terrain.
This page has the interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for Gray Course.
Other distances of Boka Bay Trail 2027Red Course (60.0 km)·Blue Course (34.0 km)·Green Course (16.0 km)·Yellow Course (7.5 km)
Other editions of Gray Course2026·2025
Official websitewww.bokabaytrail.com
