Hometown: Aniak, AK
Local Aniak musher Isaac Underwood is competing in his 4th Kuskokwim 300 but has been mushing for 30 years. He has also raced in the Aniak 150, Bogus Creek 150, Akiak Dash, and many local races. Isaac won the 2014 Walter Williams Memorial race in Akiak.
Along with his dad and fellow K300 competitor Nathan, Isaac races for Underwood Kennel, which has 40 dogs.
His sponsors include Jane McClure, Bill Eggimann, John Simon, Mark and Ivan Matter, Dave and Jacey Auto Shop, Native Village of Napaimute, and Dave and Connie Walker.