calendar-hack
The premium Open Source alternative to TrainingPeaks
🎯 Best for:Runners who want a programmatic approach to training schedules.
What is calendar-hack?
Replaces manual spreadsheets and paid training platforms like TrainingPeaks. Automates the generation of running schedules based on specific race dates and performance goals.
Tech Stack
TypeScriptFitness & Wellness
Why calendar-hack?
- • Lightweight web interface
- • Race-specific logic
- • Zero cost
Limitations
- • Basic UI/UX
- • No wearable syncing
- • Limited social features
2/14/2026
Last Update
55
Forks
5
Issues
MIT
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to calendar-hack instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on TrainingPeaks)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%