Optimal Time Between Same Day Races

Has there been discussion or studies about the optimal time between races when racing twice in the same day?
Is it as little time between races because the body is already primed? Is it as much time so one can rest and refuel? Somewhere in the middle?
I realize we don’t control race schedules, but at times we can choose which races within the same day.
Thoughts from personal experience?

Episode 194, with Amber, discusses downtime between races.

1 Like