This Advanced Half Marathon Running Plan is perfect if you have run a 13.1-mile race before and are now looking to improve your time. You may also find this running plan useful if you have been consistently running 5k/10k races and are now looking to move up to the half marathon distance. The primary focus of this running plan is to improve your half marathon performance. You will find complete details on what to do each day of the week for the full 12 weeks of training including easy runs, ...