Training for the Uphill Athlete: A Manual for Mountain Runners and Ski Mountaineers

Hal Koerner's Field Guide to Ultrarunning: Training for an Ultramarathon, from 50K to 100 Miles and Beyond

Koerner Hal

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Cover of Hal Koerner's Field Guide to Ultrarunning: Training for an Ultramarathon, from 50K to 100 Miles and Beyond

Training Essentials for Ultrarunning

Koop Jason

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The Big Book of Endurance Training and Racing

Philip Maffetone • 1 highlight

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Cover of The Big Book of Endurance Training and Racing