Rumble Rock is the 16.5km trail race at Bucovina Ultra Rocks by UTMB 2027 (Alpin Rarau, Romania). The race starts on July 25, 2027 at 09:30 AM. It starts in Alpin Rarau.
Run the downhill at race pace, but focus on the climb.
By gradient, 30% of the distance is uphill, 67% downhill and 4% flat. The longest climb runs 1.8km at an average 10.9% grade (192m of vertical). The longest descent runs 12.0km at an average 6.6% grade (797m of vertical). The steepest climb averages 20.6% over 0.2km. The steepest descent drops at 34.5% over 0.5km. Flat-equivalent effort: 22.4 FlatKM.
The course is runnable enough that trekking poles are not needed.
Quad damage risk is low (index 18 of 100): a few descents worth noting, none of them decisive.
This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Rumble Rock.
Other distances of Bucovina Ultra Rocks by UTMB 2027Ultra Rocks (114km)·Four Summits (72.0km)·Lady's Rocks (48.0km)·Rocky (33.0km)·Radical (20.0km)
Official websitebucovina.utmb.world