Deep dive into cutting-edge endurance tech & performance
@FR – good job. Any of you do the Paris Marathon? Would be good to hear some stories of your trials and tribulations
the5krunner.com © 2010-2025
This content is not sponsored. It’s mostly me behind the labour of love, which is this site, and I appreciate everyone who follows, subscribes or Buys Me A Coffee ❤️ Alternatively, please buy the reviewed product from my partners. Thank you! FTC: Affiliate Disclosure: Links pay commission. As an Amazon Associate, I earn from qualifying purchases.