Bethel musher Pete Kaiser arrives at the McGrath checkpoint of the 2019 Iditarod Trail Sled Dog Race on March 6, 2019. (Ben Matheson/KNOM/Alaska Public Media photo)Heading into a final, mandatory, eight-hour rest in White Mountain about 40 minutes in the lead, Bethel’s Peter Kaiser could be set up to win his first Iditarod in his team’s 10th race. But anything can happen in that final 77 miles, and the defending champ, Joar Leifseth Ulsom, is not far behind. We also talk to some former champs about how they’re in the middle of the pack and running a totally different kind of race. Plus: There’s no sea ice! But there is Snack Attack with Ben and Zach!