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Posts in category: Bookstore

Understanding the Training Pyramid

January 3, 2026
by Jeffrey Kline Bookstore

Understanding the Training Pyramid For Runners and Triathletes Endurance success isn’t about doing more — it’s about doing the right things in the right order. In Understanding the Training Pyramid, Coach Jeff shares a proven framework use ...

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Endurance Engine

April 30, 2025
by Jeffrey Kline Bookstore

Endurance Engine A Complete Guide to Performance and Longevity Endurance Engine is a comprehensive guide to the science and strategy behind human endurance. Blending physiology, training principles, and performance insights, the book explor ...

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