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

Whether you are a newbie ultramarathoner or a season veteran, Hal's down-to-earth advice will give you the confidence to get to the finish line or set a personal best. - Scott Jurek

Hal's Field Guide is a comprehensive guide to all things ultra. It typifies the man himself-a wealth of information, devoid of self-promotion. A near-limitless body of knowledge that, if you were sharing a trail with him, Hal would gladly share. - UltraRunning magazine

Hal Koerner has a formula for fitness and life that keeps him winning and smiling. So follow his lead-just don't try to keep up. - Outside magazine

Hal's honest, personal take is helpful and approachable for beginner and intermediate ultrarunners...Best for beginners or any athletes who need a quick reference on `what if' situations. - TrailRunner magazine

Ultra-distance champion Hal Koerner serves up amazing insights for training, gear, fueling and trail techniques in this comprehensive book. - Competitor magazine

Hal Koerner's ultra career was started deliberately, and, with plenty of mentors, he became one of the torchbearers of a new generation of trail fiends. - Runner's World magazine

Koerner brings both personal athletic credentials and a knowledge of the importances of equipment choices to his subject...A single-volume source for info on training and gear. - Canadian Running

American ultrarunner Hal Koerner has written a comprehensive guide to this booming part of the sport. - Athletics Weekly

A how-to manual chock full of valuable information for newbie and veteran ultramarathoners alike. - Competitor.com

Koerner's book is the first ultrarunning nuts-and-bolts offering, and might just as well have been titled `Everything you always wanted to know about how to run 100 miles but were afraid to ask.' - MailTribune.com

Ultra running champions like Koerner make it look easy. - Competitor magazine