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.
Maicel Uibo became NCAA decathlon champion in 2014 and 2015. At the 2018 World Indoor Championships in Birmingham, he earned a bronze medal in the heptathlon, setting a personal best of 6265 points. At the 2019 World Championships in Doha he
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,