2013.12.24 – 8 x 400m By brian December 24, 2013 Running Workout 8 x 400m with 3:30 rest between. Go fast. Results All of the intervals were between 1:30 and 1:35. http://connect.garmin.com/activity/419210844 Leave a Reply Click here to cancel reply. Name (required) Email (will not be published) (required) Website Comment