The race is starting from LA. They are driving to the LA Coliseum in classic cars. Tony and Dallas are mother and son from Northern California. Nick and Starr are siblings. Ken and Tina are separated husband and wife. They will decide after the race to see if they will continue together. He cheated on her. Aja and Ty are dating long distance. Marisa and Brooke are southern blonde belles. Andrew and Dan are fraternity bros from Phoenix, Arizona. Anthony and Stephanie have been dating for four years. They are from LA. Anita and Arthur are married old beekeepers. Kelly and Christy are recently divorced friends. Terrence and Sarah are newly dating from NYC. Mark and Bill are best from bets friends and geeks from San Diego.
Warning: Spoilers ahead.