20–100km12.4–62.1mi
5 courses
DECATHLON Persenk Ultra
Pamporovo, Smolyan · 
Bulgaria
1’050–4’550 m D+3’445–14’928 ft D+
UltraGPX
Upcoming races
August 2027 · 1 race
Wed 18.08.1 race
September 2027 · 1 race
Fri 24.09.1 race
13.6–101km8.5–62.8mi
5 courses
K3 ULTRA GOLD BORDER RACE
Zlatograd, Smolyan · Bulgaria
533–4’992 m D+1’749–16’378 ft D+
UltraGPX