Hal Koerner’s Field Guide to Ultrarunning: Training for an Ultramarathon, from 50K to 100 Miles and Beyond 13 de novembro de 2016 edsonsp Deixar um comentário Hal Koerner’s Field Guide to Ultrarunning: Training for an Ultramarathon, from 50K to 100 Miles and Beyond Ultramarathons don’t leave much room for mistakes. Don’t learn the hard way: get a jump on training for an ultramarathon with Hal Koerner’s Field Guide to Ultrarunning, a comprehensive handbook to running 30 to 100 miles and beyond, written by one of the most experienced and recognized athletes in the sport. READ MORE -> Hal Koerner’s Field Guide to Ultrarunning: Training for an Ultramarathon, from 50K to 100 Miles and Beyond Amazon English
