For elite athletes, relying primarily on historical physiological data trends and their known capabilities is often more reliable for determining race readiness than focusing heavily on daily metrics like heart rate variability.

“I I think it's more the the ladder right where we have U um all that physiological data that that the trends and how it how is and and what we see at this level um these guys they're so good at at knowing their feelings you know um sometimes it's just kind of how they wake up if if you know his capabilities so if he wake wakes up fresh and say hi how you doing today like oh yeah I S like a baby like boom then you're you're already you know uh um and sometimes yeah it's just we try not to focus on many other metrics the day off because we have already things and and and sometimes you know har variability um you know it might not be very precise um and we don't want to get then put some ideas in the head”