45-Minute Treadmill Workout

BlogHer Network
207 days left until Boulder Ironman and only a week and half until the first half-marathon of the season. I must confess, over the past few years, I’ve tired of the standard 400-, 800- and 1,600-meter running drills. Although valuable — they’re designed for a track and can be simulated on a treadmill, but watching distance is so hard for me. . . .

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