Go Sub 3:20 (7:38 per mile) This marathon plan is for seasoned runners looking to make a breakthrough. There are a variety of paces to be aware of throughout the plan, so it's important that you have a good understanding of these paces. Easy run pace 8:35 - 9:30 per mile Steady Pace 7:50- 8:05 Goal Marathon Pace 7:38 Half Marathon Pace / Threshold 7:10 - 7:20 10K Pace 6:55 - 7:05 5K Pace 6:40 - 6:50 3K Pace 6:30 - 6:35 The first half of the plan is about building out your threshold pace and ...