What is sub 4? How do I get under 4 hours for a full marathon? How do I determine my pacing? We can solve these problems.   Contents of this article What is sub 4 Pace for a full marathon in less than 4 hours Three types of pacing   Many people would like to run a full marathon at least once in their lives. For the larger full marathon events, traffic regulations are enforced and the entire city takes on a festive atmosphere. Just finishing a full marathon is enough to make you proud of your family and friends. … Continue reading Pacing to complete a full marathon in sub 4 (4 hours).