Nathan Pennington
Published
A runner and coach tells how he took his marathon from 2:40 to 2:19—and provides specific training changes that can maximize your next marathon.
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Get access to more than 30 brands, premium video, exclusive content, events, mapping, and more.
A runner and coach tells how he took his marathon from 2:40 to 2:19—and provides specific training changes that can maximize your next marathon.