Lace up your shoes for a 5K with helpful tips from Olympian and run coach Roberto Mandje in Runner’s World’s new “How to Master the 5K” program.

Keep a journal to document your adventures or snap photos to capture the essence of each place. These memories will become cherished souvenirs of your cross-country train trip.

I thought I should get serious about training for cross-country and went out one day in the week preceding the New England's. I got tired after a few minutes of thrashing around and quit, went to the ...