This challenging interval workout is perfect for sharpening road warriors to run the mile, or just to keep you in touch with speed.
A simple test for new racers to predict their performance, set appropriate goals and plan their paces in training and racing.
A long-retired runner gets back in shape and sets a fast new age-group world record in the mile.
Garrett O’Toole, 18, clocked in at 4:01.89 to eclipse the New England high school record in the mile Thursday.
An evening of celebrating Jim Ryun and the mile was capped by a pair of sub-4-minute showings in San Diego.