UDallas Seavey uphumelele irekhodi lakhe lesithandathu kumdyarho wezinja ezihamba nge-Iditarod. Umdyarho waqala ngoMatshi 2 wama-mushers angama-38 ngomsitho wokugijima e-Anchorage. Wayengowokuqala waseAlaska ukuphumelela ubuntshatsheli bemfazwe yase-USA ngo-2003. Ngo-2005, waba ngoyena mdlali omncinci wama-islam ukuba agijime kolu gqatso- kwaye ngo-2012, waba ngoyena mntu omncinci.