Ritz on Running: How to Train for a Marathon PRParker StinsonOct 25, 20191 min read How Dathan Ritzenhein coached Parker Stinson to a 2:10 PR at the Chicago Marathon and what you can learn from it.
How Dathan Ritzenhein coached Parker Stinson to a 2:10 PR at the Chicago Marathon and what you can learn from it.
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