If you have a few races under your belt and want to take your training to the next level for faster finish times, you need to add speed work into your training plan. Running coach Andrew Kastor wants to help you set a PR (personal record) this Summer in your next 5K. Here is his four-week plan (for intermediate runners with a solid cardio base) to get you up to speed — literally. Coach Kastor is a certified USA Track and Field coach who's been running competitively for 15 years. Plus he's married to bronze medalist marathoner Deena Kastor. The man knows running.
To see Coach Kastor's training plan, just read more
