Paula Radcliffe's Sub 4 Hours - 12 week training plan is designed to give you the best chance of breaking 3 hours 30mins, combining Paula's training secrets with the coaches knowledge at NLC This plan consists of: - 4 runs per week - 2 to 3 additional sessions including strength, core, stretching & mobility - Running activities are set in miles - Paces targeting specifically a sub 4 hour marathon - Optional half marathon included in the plan - The long run starts at 13miles - Additional ...