Коджа Кая

Kodzha Kaya is the first fully self-supported ultramarathon in Bulgaria, held in the village of Bilka, in the area of Mount Kodzha Kaya. The race offers a range of distances with substantial elevation gain and no aid stations, making it a true test of endurance and skill. Participants are challenged to finish before sunset while enjoying stunning views and natural beauty. It is an event for adventure and mountain-running enthusiasts that leaves a lifelong memory.

All distances are fully self-supported, with no aid stations. There is also an additional challenge: a vertical climb up Kodzha Kaya, 3.6 km with 500 m of elevation gain. The event takes place in a natural setting rich in flora and fauna, offering stunning views and challenging terrain. The race is held on May 1–2, 2026, and participants can choose from a range of distances suitable for both experienced runners and enthusiasts. Registration is available on the official website.