PR Nerd

Custom half and full marathon training plan generator

3 votes·1 comment·Jun 18, 2026

About

Free personalized half marathon and marathon training plans, a running pace calculator, and training advice for competitive runners. Built on exercise physiology, not generic templates. After you build your training plan, you can download it as a PDF, Excel file, orfit file and upload it directly to your Garmin. The training plans are all built on real exercise science that is proven with real runners for decades. It is not AI generated slop.