This sub 4 hour marathon training plan is designed to take you from a solid running base to crossing the finish line under 4:00:00. To hit a sub-4 marathon, you need to maintain an average pace of 9:09 per mile (5:41/km). In this guide, we break down the exact pacing strategy, training schedule, and race-day … Continue reading Sub-4 Hour Marathon Pace: The Lactate Threshold, Glycogen Math, And Pacing Discipline Behind 9:09/Mile