[1] Born in Kingston, Jamaica with dual American citizenship, she moved the United States at age eleven and began attending Eleanor Roosevelt High School in Maryland.

Reid took up cross country running at high school at age 14 and the coach suggested she try out for the indoor track team.

Success followed at the NCAA Outdoor Championships where she was 400 m champion and helped set a collegiate record of 3:27.50 minutes to win the relay.

[6] She was the 400 m runner-up at the 1999 USA Outdoor Track and Field Championships to Maicel Malone and as result gained an individual and relay spot on the team for the 1999 World Championships in Athletics She was eliminated in the semi-finals of the 400 m, but won a silver medal leading off the relay team including Michelle Collins and Jearl Miles Clark, which finished behind Russia.

With a fifth-place finish at the 2001 USA Outdoor Track and Field Championships she made the United States relay team.

Reid did not another medal at the 2001 World Championships in Athletics as she dropped the baton on the final exchange and the team of Miles-Clark, Monique Hennagan and Collins ended in fourth as a result.

At the 2005 World Championships in Athletics, Reid led off the American women, but a line violation in the heats stage saw them disqualified.