Career
She was a gold medallist at the 2007 World Youth Championships in Athletics and also took silver at the 2009 Pan American Junior Athletics Championships. Collegiately she ran for the University of Southern California Trojans and was a four-time All-American at the National Collegiate Athletic Association Outdoor Championship. Early life and college
Born in Jamaica, Queens, in New York City, she competed in various track and field events at high school, including the hurdles, sprints and high jump.
During that period she also gained her first international experience.
At the 2007 World Youth Championships in Athletics she took the 400 m hurdles gold medal. In 2008 she enrolled at the University of Southern California on a sports scholarship, majoring in business.
Joining the University of Southern California Trojans track team she competed extensively in her first season. At the Pacific-10 Conference meet she was runner-up in the 400 m hurdles, fourth in the 4×400-meter relay, and also set a personal record of 13.79 seconds as a finalist in the 100-meter hurdles.
The National Collegiate Athletic Association Outdoor Championship saw her set a 400 m hurdles best of 56.49 seconds and reach third place in the final.
In her second year at University of Southern California she was a runner-up at the Pac-10 championships, but narrowly missed out on the National Collegiate Athletic Association final. The 2011 outdoor season saw her repeat her Pac-10 second place and a personal record of 56.04 seconds in the National Collegiate Athletic Association semi-finals led to a sixth place finish in the 400 m hurdles final. In 2012 she set personal records in the sprint hurdles events, running 8.23 seconds for the 60-meter hurdles and 13.33 seconds for the 100 m hurdles.
She ranked fifth in the latter event at the Pac-12 meet, where she placed third in the 400 m hurdles.
She was again an National Collegiate Athletic Association finalist in her speciality, coming fifth, and she also participated in the heats at the 2012 United States Olympic Trials. She ended her career as a University of Southern California Trojan athlete as the school"s third fastest ever 400 m hurdler and a four-time National Collegiate Athletic Association All-American.
Professional
After graduating from college Muhammed chose to compete professionally in the 400 m hurdles. She began to revise her personal record early on in the 2013 season with bests of 55.97 then 54.94 seconds in California.
On her IAAF Diamond League debut she placed fourth at the Shanghai Golden Grand Prix with a time of 54.74 seconds.
At the 2014 United States of America Outdoor Track and Field Championships, Muhammad earned a spot in the 400 m hurdles but did not start. Muhammad represents Nike. At the 2015 United States of America Outdoor Track and Field Championships, Muhammad placed 7th in 57.31.
60-meter hurdles – 8.23 sec (2012)
100-meter hurdles – 13.33 sec (2012)
400-meter hurdles – 53.83 sec (2013)
100-meter dash – 11.42 sec (2013)
200-meter dash – 23.62 sec (2009)
400-meter dash – 52.75 sec (2013).