Recording a Critical Swim Speed Test
Your Critical Swim Speed (CSS) value is the result of a time-trial-based test expressed as a pace per 100 meters. Your CSS is the theoretical speed you can maintain continuously without exhaustion. You can use your CSS to guide your training pace and monitor your improvement.
- From the watch face, press .
- Select .
- Press .
- Select .
- Press to preview the workout steps (optional).
- Press .
- Press to start the activity timer.
- Follow the on-screen instructions.
Parent Topic: Workouts