FILE - Four-time Iditarod Trail Sled Dog Race champion Lance Mackey is shown before the ceremonial start of the Iditarod Trail Sled Dog Race in Anchorage, Alaska, on March 7, 2020. Mackey, one of mushing's most colorful and accomplished champions who also suffered from health and drug issues, has died. The four-time Iditarod winner died Wednesday, Sept. 7, 2022, from cancer, his father and kennel announced on Facebook. He was 52. (AP Photo/Mark Thiessen, File)