<https://toughmudder.kr/blog/no-excuses/how-to-train-for-toughest-mudder-according-to-ryan-atkins/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://toughmudder.kr/blog/no-excuses/how-to-train-for-toughest-mudder-according-to-ryan-atkins/>