This plan is for runners who can train 5 times per week. 43:00 is 6:55 per mile (4:18 per km) Training Pace Guide is a follows: Easy pace runs 8:30 - 9:20 per mile HM to Threshold pace runs 7:05 - 7:20 per mile 10K pace runs 6:50-7:00 per mile 5K pace runs 6:35-6:45 per mile 3K pace runs 6:25 - 6:35 per mile 1500 pace runs 5:55-6:05 per mile