Vereen grew up in Trenton, New Jersey and took up track and field at high school at Trenton Central High School. She won the 200 m in the under-17's section of the 1982 USATF National Junior Olympic Track & Field Championships and was the American junior champion over 200 m in 1983 – her winning time of 23.22 seconds went unbettered until 1999. She was placed as number one in the 100 m and 200 m for high school girls in both 1983 and 1984 by Track & Field News. Her run of 11.17 seconds for the 100 m in 1983 placed her second on the all-time American high school lists after Chandra Cheeseborough. Being one of the top ranked American high school sprinters, she gained an athletic scholarship to attend Morgan State University. While there she four school records across individual and relay events. Among the eight NCAA All-American honors she earned while competing for the Morgan State Bears, she was runner-up in the 4×100-meter relay at the NCAA Women's Division I Outdoor Track and Field Championships in 1986. Vereen was named as a relay alternate for the 1984 American Olympic team but ultimately did not compete. She was a frequent finalist at national level from the late 1980s onwards. At the USA Outdoor Track and Field Championships 200 m she was seventh in 1986, sixth in 1989, and eighth in 1990. At the 1993 USA Outdoor Track and Field Championships she was fourth in the 100 m and fifth in the 200 m. The following year she came eighth in 100 m and was again fifth over 200 m. She gained her first international medal at the 1989 IAAF World Cup, anchoring a 4 × 100 m relay team of Sheila Echols, Esther Jones and Dawn Sowell to a bronze medal behind East Germany and the Soviet Union. Vereen's professional track career reached its peak in 1993. She achieved a best of 23.07 seconds indoors and gained her first individual international selection for the United States. At the 1993 IAAF World Indoor Championships she came fifth in the 200 m and also won a gold medal with the 1600-meter medley relay event. The team's winning time of 3:45.90 minutes was a world record for the non-IAAF-standard distance. She was chosen for the 4 × 100 m relay team for the 1993 World Championships in Athletics and the quartet of Michelle Finn-Burrell, Gwen Torrence, Vereen, and Gail Devers completed the race in 41.49 seconds. This was a new championship record, although the Russian women's team finished with the same time. Further analysis revealed the Russians as the winners and Vereen was awarded a silver medal with the American team. Vereen closed the season with a seventh-place finish in the 100 m at the 1993 IAAF Grand Prix Final. Vereen had one further international performance, running in the 200 m heats at the 1995 IAAF World Indoor Championships, but was disqualified for a lane infringement. Her final top level appearance at the national level came at the 1996 United States Olympic Trials where she was a quarter-finalist in the 200 m. Following the end of her athletic career, she settled in Indiana and was inducted into the Morgan State UniversityHall of Fame in 2014. Outside of track, she worked for the Department of Workforce Development, as well as taking up coaching with the Indiana Racing Cheetah Track Club. She married Troy Christopher and the pair had a daughter, Camille, around 2000.
