This plan is for runners who can train 4-5 times per week. 20:00 is 6:26 per mile (4:00 per km) Training Pace Guide is a follows: Easy pace runs 8:15-9:10 per mile HM to Threshold pace runs 6:55-7:05 per mile 10K pace runs 6:35-6:45 5K pace runs 6:20-6:30 3K pace runs 6:10:6:20 1500 pace runs 5:40-5:50