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+
GPX
Trail running Bulgaria 2027
9 upcoming races · 7 regions · 6 UTMB® Index
9 upcoming trail races, month by month: dates, distances, elevation and entries. Busiest regions: Sofia (3), Smolyan (2), Blagoevgrad (1).
The big races
- 4’992 m D+16’378 ft D+K3 ULTRA GOLD BORDER RACEZlatograd · 24.09.2027 · up to 101 kmZlatograd · 24.09.2027 · up to 62.8 mi
- 4’550 m D+14’928 ft D+DECATHLON Persenk UltraPamporovo · 18.08 – 22.08.2027 · up to 100 kmPamporovo · 18.08 – 22.08.2027 · up to 62.1 mi
- 3’760 m D+12’336 ft D+Adventure SkyrunBorovets · 28.08 – 29.08.2026 · up to 55 kmBorovets · 28.08 – 29.08.2026 · up to 34.2 mi
- 2’570 m D+8’432 ft D+Balkaniada Sky RaceKarlovo · 02.10 – 03.10.2027 · up to 44 kmKarlovo · 02.10 – 03.10.2027 · up to 27.3 mi
Calendar
August 2027 · 4 races
Wed 18.08.1 race
Sat 21.08.2 races
8–38km5–23.6mi
3 courses
Musala Extreme
Borovets, Sofia · Bulgaria
500–2’530 m D+1’640–8’301 ft D+
Dates to be confirmed
8km5mi
1 course
Middle Station Run
Borovets, Sofia · Bulgaria
500 m D+1’640 ft D+
Dates to be confirmed
Sat 28.08.1 race
12–55km7.5–34.2mi
3 courses
Adventure Skyrun
Borovets, Sofia · Bulgaria
415–3’760 m D+1’362–12’336 ft D+
Dates to be confirmed
September 2027 · 2 races
Thu 09.09.1 race
15–160km9.3–99.4mi
5 courses
Pirin Ultra
Bansko, Blagoevgrad · Bulgaria
400–11’000 m D+1’312–36’089 ft D+
GPX
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+
GPX
October 2027 · 3 races
Sat 02.10.1 race
3.8–44km2.4–27.3mi
4 courses
Balkaniada Sky Race
Karlovo, Plovdiv · Bulgaria
595–2’570 m D+1’952–8’432 ft D+
Dates to be confirmed
Sat 16.10.1 race
13–42km8.1–26.1mi
3 courses
Rebel Trails Marathon
Sliven, Sliven · Bulgaria
1’120–2’500 m D+3’675–8’202 ft D+
Dates to be confirmedGPX
Sat 23.10.1 race
4–67km2.5–41.6mi
5 courses
Eastern Rhodopes Wild Race
Krumovgrad, Kardzhali · Bulgaria
760–2’500 m D+2’493–8’202 ft D+
Dates to be confirmed