Thresholds and training zones
Three separate tests provide a conservative starting point for cycling, running and swimming. The results are estimates.
GUIDE YOUR TRAINING
Use FTP, 5 km and CSS test results as a cautious starting point for training zones.
The calculation runs locally in your browser, stores nothing and is an orientation rather than a performance or medical diagnosis.
Three separate tests provide a conservative starting point for cycling, running and swimming. The results are estimates.