Lance Mackey is registered for the 2019 Iditarod. The 4 time Iditarod and Yukon Quest winner from Fairbanks has had a few rough years since his run of championships ended in 2010. A cancer survivor approaching 50, some might have assumed Mackey was done with long distance mushing, but as KUAC’s Dan Bross reports, the former champ is making another comeback.