In total, 510 contestants have appeared in the series, with 22 of them competing again on The Amazing Race 11: All-Stars in 2007, another 22 competing again on The Amazing Race 18: Unfinished Business and another 22 also competing on The Amazing Race 24: All-Stars.
Secara total, 510 kontestan telah tampil di serial ini, dengan 22 dari mereka bersaing lagi di The Amazing Race: All-Stars pada tahun 2007 dan 22 lainnya bersaing lagi pada The Amazing Race: Unfinished Business serta 22 lainnya juga berkompetisi di The Amazing Race 24: All-Stars.