Using Magic Shuffle
Magic Shuffle Enabled
Magic Shuffle chooses a new song that matches your pace whenever the current song finishes playing, or when you press the "Forward" button to go to the next song.
Tips & Tricks
To get the most use out of this feature, press the Next Track button after you transition from a walk to a run, or vice versa.
Next Track Button. Tap it and Magic Shuffle will choose a new song that more closely matches your pace.
Note: Magic Shuffle works even if you start by picking an individual song.