intervals.icu
Free training analytics platform
⭐ 4.7/5 (3000 reviews)
About intervals.icu
intervals.icu is a powerful, free training analytics platform for endurance athletes with detailed workout analysis, fitness tracking, and planning tools.
Key Features
- Workout analysis
- Fitness/fatigue tracking
- Calendar planning
- Power analysis
- Custom charts
- Activity matching
✅ Pros
- Completely free
- Incredibly detailed
- Power analysis
- Active development
❌ Cons
- Steep learning curve
- Technical interface
- Not beginner-friendly
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