Frank Schauer - 6 weeks done in Kenya 🇰🇪 , 2 more to go before going back home ✈️ . Doing the next session tomorrow 5km-4km-3km-2km-1km with 1k float 🏃♂️ #timetofly #intervals #
![3000m in 12min laufen - So klappt es! I Training Tipps I Cooper-Test I 12min-Lauf I Ausdauertest - YouTube 3000m in 12min laufen - So klappt es! I Training Tipps I Cooper-Test I 12min-Lauf I Ausdauertest - YouTube](https://i.ytimg.com/vi/2AXMpSnrlLs/mqdefault.jpg)
3000m in 12min laufen - So klappt es! I Training Tipps I Cooper-Test I 12min-Lauf I Ausdauertest - YouTube
![Accuracy of optical heart rate measurement and distance measurement of a fitness tracker and their consequential use in sports | SpringerLink Accuracy of optical heart rate measurement and distance measurement of a fitness tracker and their consequential use in sports | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs12662-019-00621-1/MediaObjects/12662_2019_621_Fig1_HTML.png)