=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Date: Mon, 24 Sep 2018 20:53:29 GMT
Server: Apache
X-Powered-By: PHP/7.1.20
X-Pingback: http://worldmarathonchallenge.com/xmlrpc.php
X-SERVER: 3113
Location: http://worldmarathonchallenge.com/
Connection: close
Content-Type: text/html; charset=UTF-8

HTTP/1.1 200 OK
Date: Mon, 24 Sep 2018 20:53:34 GMT
Server: Apache
X-Powered-By: PHP/7.1.20
X-Pingback: http://worldmarathonchallenge.com/xmlrpc.php
Link: &lt;http://worldmarathonchallenge.com/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;, &lt;http://worldmarathonchallenge.com/&gt;; rel=shortlink
X-SERVER: 3113
Connection: close
Content-Type: text/html; charset=UTF-8

Request headers
================
HEAD / HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: worldmarathonchallenge.com
Accept: */*
Referer: http://sothisisfitness.com
Connection: close


Link is valid.