HEALTHY LUNCH WITH Dathan Ritzenhein Click for Printable Lunchbox Message! "I would come in just gasping and anyone who knows what a Michigan or midwest winter is like... you will know that many times I did this (ran 4 miles) in deep snow and howling wind chills of sub zero." ATHLETE DATHAN RITZENHEIN As a Kid: "I didn't start running until around age 12, I think, but I did ride my bike with my dad while he ran." As an Young Adult: 3rd in the World Junior Cross-country Championships as a senior in high school and placing 4th at the NCAA Cross-country Championships as a freshman. PACK IT The Lunch: Peanut butter* sandwich on whole wheat bread Pear and orange Low-fat milk or chocolate milk (keeps stress fractures away) Animal crackers with peanut butter *Choose peanut butter which has oil on the top. This is the kind with healthy fat. Just stir and use. The Message: Click for Printable Lunchbox Message. LINKS KR interviews Dathan . Meet Dathan Ritzenhein Dathan's photo by Victor Sailor/Photo Run. Email rwedit@rodale.com.