[3] Woongtae also competed at the 2016 Summer Olympics in Rio de Janeiro, in the men's event, achieving 19th place.

[4] Woongtae started out as a swimmer, before being encouraged by one of his teachers at the Seoul Sports Middle School to pursue modern pentathlon.

As of July 21, 2021, Woongtae Jun is 4th in the UIPM Senior Global World Championships Ranking and 1st in the UIPM Senior World Cup Ranking,[5] making him one of the sports' most promising medal prospects for the 2020 Tokyo Olympic Games [6] When reflecting on his performance during the 2016 Rio Olympics, Woongtae candidly spoke of his inexperience at the time and spoke of his commitment to train harder and prepare more, with hopes of being selected to represent South Korea and win a medal at the Tokyo 2020 Summer Olympics.

[7] "I will definitely win a medal at the Tokyo Olympics next year and make the modern pentathlon into the most important event in Korea.

"[8] At the 2020 Summer Olympics held in August 2021, Jun won the bronze medal in men's individual modern pentathlon, behind winner Joe Choong and silver medalist Ahmed El-Gendy.