{"product_id":"2940170636631","title":"Hal Koerner's Field Guide to Ultrarunning: Training for an Ultramarathon, from 50K to 100 Miles and Beyond","description":"\u003cp\u003eUltra-marathons don't leave much room for mistakes. Don't learn the hard way: Get a jump on training for an ultra-marathon with \u003ci\u003eHal Koerner's Field Guide to Ultrarunning\u003c\/i\u003e, a comprehensive handbook to running 30 to 100 miles and beyond, authored by one of the most experienced and recognized athletes in the sport.\u003c\/p\u003e\u003cp\u003eHal Koerner is among America's best ultra-runners, with podium results in more than 90 ultra-marathons. 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.\u003c\/p\u003e\u003cp\u003eYou'll find guidance on exactly what you need to know to prepare for ultra-marathon, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBest gear for ultra-running\u003c\/li\u003e\n\u003cli\u003eFueling and hydration guidelines\u003c\/li\u003e\n\u003cli\u003eChoosing an ultra\u003c\/li\u003e\n\u003cli\u003eTrail-running technique\u003c\/li\u003e\n\u003cli\u003eFirst-aid advice\u003c\/li\u003e\n\u003cli\u003eBeating altitude, storms, and heat\u003c\/li\u003e\n\u003cli\u003eRace-day game plans\u003c\/li\u003e\n\u003cli\u003eCrew and pacer tips\u003c\/li\u003e\n\u003cli\u003eMental strategies to get you to the finish line\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe guide offers three detailed training plans to prepare for 50K, 50-mile to 100K, and 100-mile ultra-marathons.\u003c\/p\u003e\u003cp\u003eStart your ultra with confidence and finish it strong with \u003ci\u003eHal Koerner's Field Guide to Ultrarunning\u003c\/i\u003e!\u003c\/p\u003e\u003cp\u003e\u003ci\u003eForeword by Scott Jurek.\u003c\/i\u003e\u003c\/p\u003e","brand":"Tantor Audio","offers":[{"title":"Default Title","offer_id":47117452017904,"sku":"2940170636631","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940170636631_p0.jpg?v=1763714686","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940170636631","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}