K3 Ultra 2026

K3 ULTRA is one of the largest ultramarathons in Bulgaria, held in the picturesque Rhodope Mountains. The race offers five different routes with varying lengths and elevation gains, all qualifying for the UTMB Index and earning points for the ITRA Ranking. Participants receive a starter pack with a T-shirt, bib number, and gifts, and the routes are marked and secured with minimal paved sections. The event provides medical assistance, support stations with food and drinks, as well as professional photography, creating an unforgettable experience amidst the fairy-tale Rhodope Mountains.

The starter pack includes a T-shirt, bib number, gifts, and a special surprise. Medical examinations are mandatory and conducted on-site at no additional cost. Support stations offer water, hot and refreshing drinks, fruits, vegetables, and Rhodope specialties. The routes are marked and secured with minimal paved sections. The event provides mountain insurance and medical assistance during the race. No medical certificate is required; participants receive a starter pack with a T-shirt, transportation to the start points is available, the event supports green initiatives, and it is well organized.