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, swipe left.
- Select .
- Scroll down.
- Select .
- Scroll down to preview the workout steps (optional).
-
Select
.
-
Press
to start the activity timer.
- Follow the on-screen instructions.