We met Jessie Royer , who also runs the Iditarod each year . She talked to us about her dogs , and even hooked them up to a four - wheeler that was turned off , but in neutral and they ran her around the kennels at 20 mph ! It was really cool .

Question: What kind of environment will the dogs be running in ?
Answer: deserthot weatherNone of the above choices .Frozen tundra