Felix is coached by Bobby Kersee, husband and coach of Olympic champion and world record holding heptathlete Jackie Joyner-Kersee.
Along with coaching the Bengal track and field athletes and Dragila, Nielsen coached Paul Litchfield and heptathlete Jackie Poulson.
LeShundra "DeDee" Nathan (born April 20, 1968 in Birmingham, Alabama) is a retired heptathlete from the United States, who won the gold medal at the 1991 Pan American Games in Havana, Cuba.
Heike Tischler (born 4 February 1964 in Saalfeld, Thuringia) is a retired German heptathlete.
Jamie McNeair (born June 26, 1969) is a retired female heptathlete from the United States, who won the gold medal at the 1995 Pan American Games in Mar del Plata, Argentina.
Olga Levenkova (born 11 January 1984 in Kemerovo) is a Russian heptathlete.
Sandrine Carmen Genevieve Thiébaud-Kangni (born April 21, 1976 in Sucy-en-Brie, France) is a French-born Togolese sprinter and heptathlete.
Virginia (Gi-Gi) Miller-Johnson (born January 12, 1979 in Huntsville, Alabama) is a world class heptathlete and former US champion.