Hal Koerner's Field Guide to Ultrarunning
Hal Koerner's Field Guide to Ultrarunning is a comprehensive guidebook written by Hal Koerner, an experienced ultrarunner and two-time winner of the Western States 100-Mile Endurance Run. The book provides valuable insights, training plans, and practical advice for runners looking to step up their distance and tackle ultramarathons. It covers various aspects of ultrarunning, including training principles, race strategies, nutrition, gear, injury prevention, and mental preparation. Hal Koerner's Field Guide to Ultrarunning is a popular resource for both novice and experienced ultrarunners seeking to improve their performance and endurance in long-distance races.