<Table> <Tr> <Td> </Td> <Td> This section needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (June 2017) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This section needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (June 2017) (Learn how and when to remove this template message) </Td> </Tr> <P> Dick Wilmarth won the first race in the year 1973, in 20 days, 0 hours, 49 minutes, and 41 seconds . The fastest winning time was completed by Mitch Seavey with a time of 8 days, 3 hours, 40 minutes, and 13 seconds in 2017 . The closest finish between two mushers was in 1978 between Dick Mackey and Rick Swenson . The win was controversial because while the nose of his lead dog crossed the finish line one second ahead of Swenson's lead dog, Swenson's body crossed the finish line first . </P> <P> The first musher to win four races was Rick Swenson, in 1982 . In 1991 he became the only person to win five times and the only musher to win the race in three different decades . Susan Butcher, Doug Swingley, Martin Buser, Jeff King, Lance Mackey, and Dallas Seavey are the only other four - time winners . </P>

What is the all time speed record for completing the iditarod