CHALLENGE COMPLETED! I have finished official marathon races in all 16 federal states of Germany and put together a list in my new blog post and podcast episode. Maybe there’s one for you among them?
teesche.com/germany16 and wherever you get your podcasts. #running #marathons
Professional Hobbyist. I write about enjoying endurance sports to increase health and happiness since 2011 at teesche.com
- In der neuen Folge des Runner’s World Podcasts erzähle ich ein paar Dinge über das Laufen der sechs World Marathon Majors in Berlin, London, Boston, New York City, Chicago, Tokyo. Wen das interessiert, höre gerne mal rein! Überall verfügbar.
- NEW BLOG POST: How ChatGPT Helped Me Achieve a New Personal Best in the Marathon Is it helpful? Will it replace human coaching? My blog post and podcast episode tell you about my approach: teesche.com/aicoach or search for “Teesche” on your podcast player app!
- Running #EverySingleStreet: The Project of a Lunatic or Highly Motivating Gamification? I’ve just published a blog post about finding out! teesche.com/everysinglestr…
- Happy New Year! I’ve put all my plans for 2026 into writing and used the chance for a 2025 review here, if you’re interested: teesche.com/plans2026 Let’s go!

