The steeplechase is a rhythm event pretending to be a distance race

Barriers turn pacing into a stride-counting problem, and the athlete who solves it can be beaten on paper and still win.

Every lap, five times, the runner has to arrive at a fixed object with the correct foot forward. That single constraint explains more about how these races unfold than any lactate curve will.

Think about what a barrier costs. You cannot meet it mid-pattern and expect to carry your speed through, so in the last few strides you either stretch out or you chop. Both are small accelerations, both are paid for, and both get worse when you are boxed behind someone whose pattern does not match yours. Multiply by five a lap, seven laps and change, and you have thirty-five separate moments where a runner can lose a metre by being in the wrong place on the wrong foot.

Now add the water. The landing is on a downslope, into shallow water, which is a piece of design most spectators misread as pure obstacle. It is a recovery aid. The slope lets you run out of the jump rather than land flat, and athletes who step lightly onto the barrier and drive off it come away with more speed than the ones who leap. Leaping looks athletic on television. Usually it is the sign of someone who arrived wrong and had to improvise.

This is why the event rewards a specific personality. Not the fastest flat runner in the field, and often not the strongest aerobically, but the one who is comfortable running in traffic while doing arithmetic with his feet. It is a skill that decays fast without practice, which is why athletes who convert late from the flat tend to be excellent for two seasons and then stall. They have the engine. They never get the automaticity.

There is a coaching argument here that I will happily defend. Steeplechasers do not do enough barrier work at race speed. Most sessions put the hurdling in while the athlete is fresh, which trains a stride pattern that will not exist in the ninth minute of a race. If you want to know how someone will handle the fifth-last barrier, you have to make them meet it tired, repeatedly, in a group, with a rival half a stride off their shoulder.

Nobody enjoys that session. It is the one that decides the medal.