{"product_id":"hal-koerners-field-guide-to-ultrarunning-9781937715229","title":"Hal Koerner's Field Guide to Ultrarunning","description":"\u003cp\u003eDiscover the ultimate resource for ultramarathon enthusiasts with \u003cstrong\u003eHal Koerner's Field Guide to Ultrarunning\u003c\/strong\u003e by Hal Koerner. Published in 2014, this comprehensive guide spans 224 pages and is packed with invaluable insights tailored for both novice and seasoned ultrarunners. Hal Koerner, a renowned expert in extreme sports and marathon running, shares his hard-earned wisdom and field-tested habits to ensure you are well-prepared for the challenges of ultrarunning. This book is a treasure trove of insider tips and strategies designed to help you navigate the demanding world of ultramarathons. Whether you’re training for your first ultra or looking to improve your performance, this guide is an essential addition to your running library. Equip yourself with the knowledge to conquer your next ultra with confidence!\u003c\/p\u003e","brand":"Hal Koerner","offers":[{"title":"Default Title","offer_id":51285441642838,"sku":"9781937715229","price":21.2,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/3206\/6390\/files\/9781937715229.jpg?v=1757596043","url":"https:\/\/www.bookshop.ee\/products\/hal-koerners-field-guide-to-ultrarunning-9781937715229","provider":"Bookshop","version":"1.0","type":"link"}