Here is a link to a great Wall Street Journal article “Are Sled Dogs the Planet’s Best Athletes?“
It’s a short article and really worth reading, but if you’re pressed for time, here’s the bottom line:
“The random dog you see chasing the finish line in Nome roughly nine days from now will have spent the coldest part of March in the coldest parts of Alaska burning five times as much energy per day as Lance Armstrong would, all while wearing a big sloppy grin.
