400 IM - How Phelps and Marchand set records and insights from India's Coach Partha. Negative SPLIT

Unlock the secrets behind mastering the 400 IM with elite coach from India, Partha Pratim Majumdar. Learn the strategic, aerobic, and mental tools that power world‑record swims like Phelps and Marchand. In this video you'll discover: Why the 400 IM is a strategic race, not just brute strength nor conditioning, and how the "lactate penalty" impacts performance. How to build a massive aerobic engine by focusing on long‑axis strokes (freestyle & backstroke). The "200‑meter rule" and why mastering each 200 -meter stroke guarantees a smoother 400 IM. Training methods for negative splits, including progressive 400 IM intervals and race‑pace simulations. Mental‑strength drills that turn physical training into unstoppable confidence for race day. The full seminar and clinic on the 400 IM is in the course of bygone sessions at WAFSU.org . Be sure to check out and subscribe to the World Aquatic Federation of Schools & Universities at WAFSU.org -- supported by the International Swim Coaches Association at SwimISCA.org and also by UCSSC.