What requiemants are needed to enter the iditarod?

To enter the Iditarod, participants must be at least 18 years old and have completed a minimum of two qualifying races, including at least one race of 300 miles or more. They must also provide proof of adequate dog care and health, as well as a signed entry form and payment of the entry fee. Additionally, mushers must pass a veterinarian check for their dogs before the race begins.