The championship is won in the rounds nobody watches

Medals in short events are decided by recovery between heats, a quality almost nobody trains and everyone quietly assumes.

The final is the part that gets televised. The part that actually sorts the field happens in a half-empty stadium on a Tuesday morning, when the same athlete has to run near his best for the third time in thirty hours.

Here is the mechanism, and it is not complicated. An all-out effort of ten to twenty seconds depletes the immediately available phosphate stores in the working muscle and leaves behind metabolic residue that interferes with the next contraction. Restoring those stores is an oxygen-dependent process. It happens whether you sit still or not, but it happens faster in an athlete with a better developed aerobic base, and faster again with intelligent active recovery rather than a chair and a phone.

Which means that two sprinters with identical peak speed can arrive at a final in completely different states. One has run three rounds and recovered nearly fully from each. The other has been paying interest since the heats and is now, without anything visibly wrong, half a stride short of himself.

Nobody reports it that way. They report that he faded, or peaked early, or was distracted. Sometimes those are true. Often what happened is that a training programme optimised entirely for a single maximal effort met a competition format that never asks for a single maximal effort.

The awkward part is that fixing it costs something. Aerobic work in a power athlete has to be dosed carefully, because too much of the wrong kind blunts the very quality he is there for. Anyone who tells you to just add easy running has not thought about what that does to a hamstring in week nine. The useful version is narrow: short repeated efforts with controlled rest, done at a volume that builds recovery capacity without turning a sprinter into a mediocre middle-distance runner.

There is also a scheduling argument that the sport should reduce rounds. I disagree. The rounds are not a flaw in the event, they are part of it, in the same way that five sets is part of a Grand Slam rather than an obstacle to the real tennis.

If your athlete cannot back up a good run with another good run, that is not bad luck on the day. That is a gap in the plan, and it has been sitting there since January.