Burpee: Mit der GQ-Challenge in 30 Tagen zu 50 Burpees | GQ Germany
Freeletics – der neue Abnehmtrend | der-sport-blog.com
In 30 Tagen zu besseren Pullups: Unsere 30 Day Pullup Challenge!author:leonardo_sumulong
Freeletics on Twitter: "Time to turn up the heat in your new week 🔥Here is a new free 7-day workout plan to get your challenge going #NoExcuses. https://t.co/Xa4vpp3fuT" / Twitter