Legal Notice
Information pursuant to § 5 DDG (German Digital Services Act)
Matthias Henkert
Birkenstrasse 52c
16321 Bernau b. Berlin
Germany
Contact
Email: mail@stackbrain.de
Email enquiries are answered within 24 hours on business days.
Responsible for content pursuant to § 18 (2) MStV
Matthias Henkert (address as above)
Scope of this legal notice
This legal notice covers the following domains, all operated by the same provider:
- wattrun.app
- laufplan-pro.de
- rennrad-training.de
- rennrad-trainingsplan.de
- road-bike-training.com
- ki-trainingsplan-laufen.de
- ki-trainingsplan-rennrad.de
- halbmarathon-trainingsplan.de
- ai-run-coach.com
- marathon-pace.de
- marathon-pace-rechner.de
- marathon-pace-calculator.com
- ftp-rechner.de
- ftp-calculator.com
- pace-zonen.de
Disclaimer
The content of this website has been prepared with the greatest possible care. We cannot, however, guarantee the accuracy, completeness or timeliness of the information provided.
Note on AI-generated content
The associated app WattRun (wattrun.app) uses AI technology (Anthropic Claude) to generate training recommendations. These do not constitute medical advice and do not replace consultation with a doctor or qualified coach.
Last updated: May 2026