, catering for a repeated session of 5 minutes fast, 2 minutes slow) is better. If you want a good session that even a basic timer can manage, you need a fixed distance to cover. Then you can run, for example, 12 x 400m setting off every two and a half
own plan on the calendar which will then synchronise with the watch on connection. These plans can be as in-depth or vague as you like (for example, run at 10mm pace for one mile, then 10 intervals of 400m at 8mm pace followed by two minutes at 12mm