Hal Koerner's Field Guide to Ultrarunning
- 201 stron
- 8 godzin czytania
Ultramarathon doesn't leave much room for mistakes. This book shares hard- earned wisdom, field-tested habits, and insider tips to help you prepare for your ultra.

Ultramarathon doesn't leave much room for mistakes. This book shares hard- earned wisdom, field-tested habits, and insider tips to help you prepare for your ultra.