Ayden Owens is the Puerto Rican national record holder in decathlon as well as in heptathlon

Belarusian men’s decathlon all-time list up to 7600 points

Belarusian men’s heptathlon all-time list up to 5600 points

Belgian men’s decathlon all-time list up to 7200 points

Belgian men’s heptathlon all-time list up to 5600 points

Recommended books by various authors like Joel P Smith, Harry Marra, John Rap, Bert Vreeswijk, Frédéric Gousset, Mike Chapman, Framk Zarnowski and Dale Harder

Brazilian men’s decathlon all-time list up to 7600 points

British men’s decathlon all-time list up to 7800 points

British men’s heptathlon all-time list up to 5700 points

Bruce Jenner won an Olympic gold medal at the Montreal Olympic Games in 1976