This plan is a good choice for you if you have walked a 5k but have not used the run/walk method, and would like the extra challenge of adding a 10k race to your calendar. This plan requires a larger time commitment than the 5k plan, to accommodate more cross and strength training as well as longer runs each week.You will start with 30 second run/60 second walk intervals, and gradually increase to 60 second run/30 second walk intervals by the end of the plan. All runs are based on time, not ...