A near-limitless body of knowledge that, if you were sharing a trail with him, Hal would gladly share. Hal's Field Guide is a comprehensive guide to all things ultra. Start your ultra with confidence and finish it strong with Hal Koerner's Field Guide to Ultrarunning! The guide offers three detailed training plans to prepare for 50K, 50–mile to 100K, and 100–mile ultramarathons. mental strategies to get you to the finish line.You'll find guidance on exactly what you need to know to prepare for ultramarathon, including: Hal Koerner is a highly experienced and accomplished ultra runner, and his Field Guide to Ultra Running give the runner the benefit of his extensive. In his smart, down–to–earth handbook, Koerner shares hard–earned wisdom, field–tested habits, and insider tips to help you prepare for your ultra. Hal Koerner is among America's best ultrarunners with podium results in more than 90 ultramarathons. 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. Ultramarathons don't leave much room for mistakes.
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