Trail Running calendar near Semeru 2025-2026

We have found 2 Trailruns within 80 kilometers of Semeru. See below where and when you can find the races.

BTS100 is an epic ultra run in Bromo Tengger Semeru National Park on 8 to 9 November 2025, offering distances from 8 km to 170 km. Expect high altitude terrain, volcanic sand seas and sweeping views of Mount Semeru and Lake Ranu Kumbolo.

December 2025

The Batu Trail Run will take place in Batu on Sunday 21 December 2025.