12 Week 10K Training Plan This plan is built for a moderately inexperienced runner who can handle 20-30 miles per week. This plan incorporates 4 days of running a week all on single runs with two days of cross training and one day of rest per week. This runner is likely looking to take to step up their training volume and/or intensity to make further progress as a runner. This plan is designed to be 12 weeks of 10K focused training, it is advised to start this plan coming off of a ...