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.