I'm trying to figure out how to create a custom workout that is a combination of exercise reps and running. If I chose workout type of 'cardio', and add an exercise of 'run', it doesn't let me pick a distance to run. If I pick workout type of 'other' , I can add a 'go' activity with a distance but when I use it, it doesn't actually track my run. The display simply shows I need to do an 800m run....