The host of the world's biggest adventure race is no stranger to travel and adventure himself. Phil Keoghan has worked all over the world as a cameraman, producer and host and has fronted more than 1,000 program episodes since he was 19, including his own internationally distributed series Keoghan's Heroes, which profiles famous thrill-seekers around the world.Keoghan got his big break in front of the camera hosting the series Spot On, when he auditioned while on an apprentice program for cinematography. Since then, he has co-created and co-produced the highly-rated Phil Keoghan's Adventure Crazy, His additional television credits include Go For It, an extreme sports show; Fox After Breakfast, a morning show; and The 1998 Film Festival Awards on the Sundance Channel.Keoghan is originally from New Zealand and currently lives with his wife and daughter in Los Angeles. His birth date is May 31

Name: MARK MUNOZHometown: Los AngelesAge: 48Occupation: Stuntman/JockeyName: MICHAEL MUNOZHometown: Maui, HawaiiAge: 51Occupation: Stuntman/ActorRelationship: BROTHERS/STUNTMENThis Team of brothers has been competing — against everyone else and each other — their entire lives. Standing at 4' 9", they chose similar paths in their lives and after years of surfing big waves and racing horses around a track, they're eager to run the Race of a lifetime with one another.

Name: TAMMY JIHHometown: San FranciscoAge: 26Occupation: LawyerName: VICTOR JIHHometown: Los AngelesAge: 35Occupation: LawyerRelationship: SIBLINGS/LAWYERSIf they can manage to set aside sibling rivalries long enough to use their most valuable attribute — their intelligence — this brother/sister duo, both with Harvard Law degrees, might just have what it takes to outsmart the competition and be a force to be reckoned with.