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your development.
Swimming Styles: Your watch recognizes the following swimming styles, and calculates style specific metrics as well as
totals for your whole session:
Freestyle
l
Backstroke
l
Breaststroke
l
Butterfly
l
Pace and Distance: Once the watch has recognized your swimming style as one of the four swimming styles mentioned
above, it will be able to detect your turns and use this information to give you accurate pace and distance. The pace and
distance measurements are based on detected turns and the set pool length. Every time you turn, one pool length gets
added to the total distance swam.
Strokes: Your watch tells you how many strokes you take in a minute or per pool length. This information can be used to
find out more about your swimming technique, rhythm and timing.
SWOLF (short for swimming and golf) is an indirect measure of efficiency. SWOLF is calculated by adding together your
time and the amount of strokes it takes you to swim a pool length. For instance, 30 seconds and 10 strokes to swim the
length of a pool will equal a SWOLF score of 40. Generally, the lower your SWOLF is for a certain distance and style, the
more efficient you are.
SWOLF is highly individual, and thus should not be compared to SWOLF scores other people have swam. It's rather a
personal tool that can help you improve and fine-tune your technique, and find an optimal efficiency for different styles.
POOL LENGTH SETTING
It's important that you choose the correct pool length, as it affects pace, distance and stroke calculation, as well as your
SWOLF score. You can choose the pool length in pre-training mode from the quick menu. Press LIGHT to access the quick
menu, choose the Pool length setting and change the previously set pool length if necessary. The default lengths are 25
meters, 50 meters and 25 yards, but you can also set it manually to a custom length. The minimum length that can be
chosen is 20 meters/yards.
OPEN WATER SWIMMING
When using the Open water swimming profile, the watch records your swim distance, time and pace, stroke rate for
freestyle as well as your route.
Freestyle is the only style that the open water swimming profile recognizes.
Pace and Distance: Your watch uses GPS to calculate pace and distance during your swim.
Stroke rate for freestyle: Your watch records your average and maximum stroke rates (how many strokes you take
per minute) for your session.
Route: Your route is recorded with GPS, and you can view it on a map after your swim in the Flow app and web service.
GPS does not work underwater, and because of this your route is filtered from GPS data acquired when your hand is out
of the water or very close to the water surface. External factors such as water conditions and satellite positions can affect
the accuracy of the GPS data, and as a result data from the same route can vary from day to day.
MEASURING HEART RATE IN WATER
Your watch automatically measures your heart rate from your wrist with the new Polar Precision Prime sensor fusion
technology, offering an easy and comfortable way to measure your heart rate while swimming. Although water may
prevent the wrist-based heart rate measurement from working optimally, the accuracy of Polar Precision Prime is
sufficient to allow you monitor your average heart rate and heart rate zones during your swimming sessions, get accurate
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