What do mushers have to carry in the iditarod?

In the Iditarod, mushers must carry essential supplies including a first aid kit, a dog food stash, a knife, an axe, and a sleeping bag. They are also required to have an emergency space blanket, a cooker, fuel, and a food supply for themselves. Additionally, each musher must carry a mandatory amount of dog food to ensure the health and well-being of their team throughout the race. These items are crucial for survival and the safety of both the musher and the dogs during the challenging journey.