{"version":"1.0","provider_name":"Uncommon Path \u2013 An REI Co-op Publication","provider_url":"https:\/\/www.rei.com\/blog","author_name":"Jenny Barber","author_url":"https:\/\/www.rei.com\/blog\/author\/jenbarb","title":"Ultra Running and Setting FKTs with Anton Krupicka - Uncommon Path \u2013 An REI Co-op Publication","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"ajFVAB9Oy0\"><a href=\"https:\/\/www.rei.com\/blog\/podcasts\/ultra-running-and-setting-fkts-with-anton-krupicka\">Ultra Running and Setting FKTs with Anton Krupicka<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.rei.com\/blog\/podcasts\/ultra-running-and-setting-fkts-with-anton-krupicka\/embed#?secret=ajFVAB9Oy0\" width=\"600\" height=\"338\" title=\"&#8220;Ultra Running and Setting FKTs with Anton Krupicka&#8221; &#8212; Uncommon Path \u2013 An REI Co-op Publication\" data-secret=\"ajFVAB9Oy0\" 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\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.rei.com\/blog\/wp-content\/uploads\/sites\/4\/2026\/01\/98e9a34d-4fa1-4efd-b507-ad268c0a9226_1728x1037-e1768260032672.jpg?fit=1728%2C838","thumbnail_width":1728,"thumbnail_height":838,"description":"Anton Krupicka is one of the most iconic ultrarunners and long-distance trail athletes in the U.S. Known for his minimalist approach\u2014shirtless miles, long hair, and a bushy beard\u2014he became a defining figure in the sport. Over nearly three decades, Anton has won the Leadville 100 twice and earned podium finishes at ultramarathons around the world. Beyond racing, he\u2019s set 28 fastest known time (FKT) records on notable routes, solidifying his reputation in endurance running."}