<https://www.hayashibara-shouten.com/2020/11/09/marathon-in-no-time/#article>
<http://schema.org/articleSection>
"練習法, 健康づくり, リベラルアーツ研究所, トライアスロン"
<https://www.hayashibara-shouten.com/2020/11/09/marathon-in-no-time/>