{"version":"1.0","provider_name":"Intersport Blog BA","provider_url":"https:\/\/www.intersport.ba\/blog","author_name":"Maja","author_url":"https:\/\/www.intersport.ba\/blog\/author\/majadrnda\/","title":"Za\u0161to treba\u0161 tr\u010dati polako da bi postao brz - Intersport Blog BA","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"oxonPs0W2F\"><a href=\"https:\/\/www.intersport.ba\/blog\/2026\/04\/zasto-trebas-trcati-polako-da-bi-postao-brz\/\">Za\u0161to treba\u0161 tr\u010dati polako da bi postao brz<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.intersport.ba\/blog\/2026\/04\/zasto-trebas-trcati-polako-da-bi-postao-brz\/embed\/#?secret=oxonPs0W2F\" width=\"600\" height=\"338\" title=\"&#8220;Za\u0161to treba\u0161 tr\u010dati polako da bi postao brz&#8221; &#8212; Intersport Blog BA\" data-secret=\"oxonPs0W2F\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.intersport.ba\/blog\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.intersport.ba\/blog\/wp-content\/uploads\/sites\/24\/2026\/04\/1-1.jpg","thumbnail_width":1000,"thumbnail_height":700,"description":"Svaki trka\u010d, od po\u010detnika do profesionalca, trenira u razli\u010ditim zonama intenziteta. Zone se mjere prema otkucajima srca i kre\u0107u se od zone 1 (lagan hod) do zone 5 (maksimalni napor).Zona 2 je umjereni intenzitet \u2013 tr\u010danje pri kojem mo\u017ee\u0161 voditi razgovor bez zaduhanosti. Puls je obi\u010dno izme\u0111u 60% i 70% maksimalnog pulsa. Ako ne mo\u017ee\u0161 izgovoriti cijelu re\u010denicu dok tr\u010di\u0161, vjerovatno si iza\u0161ao iz zone 2.Elitni trka\u010di provode izme\u0111u 75% i 80% ukupnog vremena treninga upravo u ovoj zoni. Ostatak je intenzivniji rad \u2013 intervali, brze dionice, takmi\u010denja."}