The Story Behind the D3: Youth Performance Workbook

The Story Behind the D3: Youth Performance Workbook

The Story Behind the D3: Youth Performance WorkbookMarc Effron
Published on: 19/08/2026

Explore how Marc Effron's D3: Youth Performance Workbook helps young athletes build confidence, stronger habits, and skills that extend beyond the game.

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Beyond the Game: Why Marc Effron Created the Youth Performance Workbook

Beyond the Game: Why Marc Effron Created the Youth Performance Workbook

Beyond the Game: Why Marc Effron Created the Youth Performance WorkbookMarc Effron
Published on: 20/07/2026

Marc Effron’s Youth Performance Workbook helps young athletes build the habits, focus, confidence, and accountability that support youth sports performance.

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