by Mario Fraioli, Published Sep. 23, 2011, Updated Mar. 15, 2012 at 5:09 PM UTC
Coach Greg McMillan tells why he things training by effort is the best type of training any runner can do.
by Matt Fitzgerald, Published Dec. 10, 2009, Updated May. 24, 2013 at 8:53 AM UTC
Study finds that runners can self-determine optimal recovery times between sprints without stopwatches.
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