Parker StinsonOct 26, 20191 min readRitz on Running: How to Train for a Marathon PR How Dathan Ritzenhein coached Parker Stinson to a 2:10 PR at the Chicago Marathon and what you can learn from it. Articles50 views0 commentsPost not marked as liked
How Dathan Ritzenhein coached Parker Stinson to a 2:10 PR at the Chicago Marathon and what you can learn from it.
