He has gone on to win multiple sprint titles and is the current paralympic record holder for both the 100m and 200m T64 events.

On 25 August 2017, at the age of 20, Guity suffered a life-altering motorcycle accident which led to the aputation of his left leg below the knee.

[4] Costa Rican media later noted that, while recovering at the hospital, Guity promised that he would become "the best Paralympic athlete.

"[5][6] On 11 November 2019, Guity was suspended by the IPC for 2 years for a non-intentional anti-doping violation after the substance Clostebol was found in an out of competition test used to treat a scar from a wound.

[10] He went on to win gold in the men's 200 metres T64 defending his Paralympic title and accomplishing the sprint double.