Quick review of the workout options on the forerunner 405. There are four types of workouts available. Heart Rate, Simple, Interval & Advanced. You’ll need your hear rate strap setup and a profile on connect.garmin.com in order to effectively use the Heart Rate & Advanced workout options. Heart Rate – Simple steady Runs Simple – steady runs no HR Interval – internval training, no HR Advanced – program custom workouts: intervals + heart rate.