Wadeline Jonathas

Wadeline Jonathas (born February 19, 1998) is an American track and field athlete. She won gold medal in the women's 4 × 400 meters event at the 2019 World Athletics Championships and finished in 4th place in the 400 meters, in 49.60 seconds. Jonathas represents United States in women's 400 meters at the 2020 Tokyo Olympics.

Professional
Jonathas started a career in January 2020. In 2020, she achieved the world leading mark in the 400 meters, with a time of 51.32, set in the prelims of the Toyota USATF Indoor Championships. She ended up winning the final race in 51.54 seconds, and finished her indoor season undefeated in the 400 meters, with all her times under 52 seconds.

NCAA
Jonathas enjoyed one of the best collegiate seasons in South Carolina Gamecocks track and field history in 2019. Jonathas claimed two NCAA Division I Track and field championships, in the indoor 4 × 400 meters, with a time of 3:30.76, and the outdoor 400 meters in 50.60 seconds. Jonathas proceeded to make the USATF roster for the 2019 IAAF World Championships and claimed 4th in the world in the 400m with the fastest collegiate time in history at 49.60 and then won a gold medal with Team USA in the women's 4 × 400 m relay.

Jonathas won 2 titles (200 m, 400 m) at 2018 NCAA Division III Outdoor Track & Field Championships as a sophomore at UMass-Boston and finished 5th in long jump final. Jonathas won 4 titles (60 m, 200 m, 400 m, Long jump) at 2018 NCAA Division III Indoor Track & Field Championships as a sophomore at University of Massachusetts Boston.

Jonathas won 2 titles (200 m, 400 m) at 2017 NCAA Division III Outdoor Track & Field Championships as a freshman at UMass-Boston. Jonathas won her first National Collegiate Athletic Association title (400 m) while earning All-American honors in 200 metres and Long jump at 2017 NCAA Division III Indoor Track & Field Championships as a freshman at University of Massachusetts Boston.

Prep
Jonathas is a 2016 alumnae of Doherty Memorial High School in Worcester, Massachusetts. Jonathas placed 2nd at 2016 Massachusetts Interscholastic Athletic Association MIAA All State Track and field Championship in 400 m (55.81).