Ilya Shkurenyov won European Indoor gold in 2015, earned multiple European Championships medals, placed 4th twice at World Championships. Winner of the 2015 IAAF Combined Events Challenge.
Between 1980 and 1981, Bulgarian female athletes like Daniela Nenova, Emilia Kunova, and Valentina Dimitrova made rapid progress in pentathlon and heptathlon, setting national records and achieving personal bests in multiple competitions,