Puni Neural Engineering on Instagram: "The 4×400 relay is not four individual 400m races combined. It is a fundamentally different neural task. That difference explains why: some excellent open 400m runners underperform in relays some athletes run their lifetime best splits only in relays The unique neurological burden of the relay In the 4×400, the nervous system must tolerate: near-maximal speed under fatigue loss of individual pacing autonomy irreversible responsibility for team outcome The g