{"product_id":"hal-koerners-field-guide-to-ultrarunning-training-for-an-ultramarathon-from-50k-to-100-miles-and-beyond","title":"Hal Koerner's Field Guide to Ultrarunning: Training for an Ultramarathon, from 50K to 100 Miles and Beyond","description":"\u003cp\u003e\u003cstrong\u003eNew copy of Hal Koerner's Field Guide to Ultrarunning: Training for an Ultramarathon, from 50K to 100 Miles and Beyond by Hal Koerner.\u003c\/strong\u003e - Paperback, Published by VeloPress, 201 pages, ISBN-13: 9781937715229, ISBN-10: 1937715221.\u003c\/p\u003e\u003cp\u003eHassle-free 30-day returns. Free shipping on orders over $35.\u003c\/p\u003e","brand":"VeloPress","offers":[{"title":"Default Title","offer_id":46309085708522,"sku":"DS-CA-1937715221","price":28.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/1735\/7290\/files\/51ADqyNLCWL.jpg?v=1789941832","url":"https:\/\/justgreatbooks.org\/products\/hal-koerners-field-guide-to-ultrarunning-training-for-an-ultramarathon-from-50k-to-100-miles-and-beyond","provider":"Just Great Books","version":"1.0","type":"link"}