It is held in stadiums or arenas, recreating enduro obstacles such as rocks, boulders and logs.
Motorsport promoters Eric Peronnard and Tim Clark organized the first EnduroCross event at the Orleans Arena in Las Vegas in 2004, with a similar format to the Barcelona Indoor Enduro.
Cities that have hosted the AMA EnduroCross include Denver, Everett, Boise and Ontario.
In 2006, the owners sold EnduroCross to Primedia, later Source Interlink and TEN: The Enthusiast Network.
Geoff Aaron has collected 15 podiums, Mike Brown 13, Cody Webb 12, Colton Haaker 9 and Damon Huffman 9, all of which have also won main events.