{"product_id":"zone-2-running-build-endurance-by-slowing-down","title":"Zone 2 Running: Build Endurance by Slowing Down","description":"\u003cp\u003e\u003cstrong\u003eZone 2 Running: Build Endurance by Slowing Down\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA printable how-to guide for teens and adults ages 13-65: beginners, rec and league players, coaches, parents, and gift buyers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInside:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeart rate zones explained\u003c\/li\u003e\n\u003cli\u003eFinding your Zone 2\u003c\/li\u003e\n\u003cli\u003eWhy easy runs work\u003c\/li\u003e\n\u003cli\u003eWeekly structure\u003c\/li\u003e\n\u003cli\u003eTracking progress\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhat you get:\u003c\/strong\u003e a 34–42 page illustrated guide with real photos and diagrams, a printable toolkit (drill or scenario cards, checklists, trackers), a one-page cheat sheet, and a sources page.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFormat:\u003c\/strong\u003e PDF in US Letter and A4. Print at home, or use it on a tablet (clickable contents and bookmarks work in GoodNotes, Notability and most PDF readers).\u003c\/p\u003e\u003cp\u003eInstant digital download. Nothing will be shipped.\u003c\/p\u003e","brand":"Twin Digital Designs","offers":[{"title":"Default Title","offer_id":67675056275569,"sku":"RUN-04","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/0456\/6641\/files\/RUN-04-01-cover.jpg?v=1791978325","url":"https:\/\/twindigitaldesigns.com\/products\/zone-2-running-build-endurance-by-slowing-down","provider":"Twin Digital Designs","version":"1.0","type":"link"}