Hal Koerner's Field Guide to Ultrarunning: Training for an Ultramarathon, from 50K to 100 Miles and Beyond
Unlock ultrarunning mastery with Hal Koerner’s Field Guide, offering evidence‑based training plans, nutrition hacks, terrain tactics, and psychological insights to conquer distances from 50K to 100 miles.
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Hal Koerner's Field Guide to Ultrarunning : Training for an Ultramarathon, from 50K to 100 Miles and Beyond
WHSmith
25-09-2026 05:48:12
