Answer:
The Iditarod Trail Sled Dog Race is an annual long-distance sled dog race run in early March from Anchorage to Nome, entirely within the US state of Alaska. Mushers and a team of 14 dogs, of which at least 5 must be on the towline at the finish line, cover the distance in 8–15 days or more
Explanation:
(For reference, I'm 17 and am responding as such)
Cleaning, studying, sporting activites.
While there are people who do these things, they prove to be on the whole uncommon activities. If these things are being done it is likely they don't consider the time they do these things with 'free time'.
We prefer to relax, be unbothered, and see what's going on on Y0uTube or social media, or just watch TV.