Hastings began her track career at a very early age and made a first place win at the USATF Junior Olympics in the 400 metres in the Youth Girls division.

[1] She attended A. Philip Randolph Campus High School in Harlem, New York,[2] where she was able to take her track and field interest to a more competitive level.

In 2013 Hastings won the USATF 400 meters outdoor title in 49.94 on 22 June 2013,[7] thus making the US Track and Field Team for the 2013 World Championships in Athletics in Moscow, where she finished in fourth place.

[8] At the 2016 Great North City Games in the UK, Hastings ran a personal best of 16.67 in a 150 m straight track race, finishing second.

[12] She also has a series of videos called "Tea Time", during which she talks about topics ranging from dating to mental preparation, often with friends and fellow athletes such as Michelle Carter.