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,
Recommended books by various authors like Joel P Smith, Harry Marra, John Rap, Bert Vreeswijk, Frédéric Gousset, Mike Chapman, Framk Zarnowski and Dale Harder
Niklas Kaul set a World record with U20 implements of 8435 points when winning the decathlon at the European Championships in Grosseto 2017. He became the youngest decathlon World champion in history at the IAAF World Athletics Championships in