Our Sub 2:30 Half Marathon - 12 week training plan is designed to safely increase your running volume, so you can complete your HM race, enjoy the training process and work towards a goal of a sub 2 hours 30mins half marathon. This plan consists of: - 2 to 3 running activities per week (run/walk included) - 2 to 3 additional sessions including strength, core, stretching & mobility - Running activities are set in km's - An optional 5km race in the build up - Paces built to target a sub 2 hour ...