The "Send a Workout to Device" feature has been released from version 5.2.2 of the Swim.com app on watch. With this release, Swim.com has enhanced the in-app workout experience and now allows you to load and select the workout on your watch directly by the mobile app.
You’ll want to start with the Workouts tab on your mobile app. Find one that suits your needs and navigate to the workout details. Then Tap on the "Send to device" button on the bottom of the screen.
Send a Workout to Apple watch
If you has already connected with your Apple watch, the workout will be sent and selected on watch and show successful toast message on your phone.
Send a Workout to WearOS or Samsung watch
On your Android phone, you can select the device you want to send workout to. After that the workout also will be sent and selected on watch and show successful toast message on your phone.
One time you send workout to device, the workout also is added on your favorite workout list. And please note that workout can't sent when you are on swimming or guest mode.
Now the workout was sent on your watch app. The workout will display on the start screen and you can now start your workout!