Why does your hurdler clear clean in practice and chop at meets?
The technique did not disappear between Tuesday and Saturday. The spacing, the pace into hurdle one, and the nerves did.
It is one of the more confusing patterns in the event. An athlete looks smooth over hurdles all week, then at the meet the same athlete chops the stride before the first barrier and never really recovers the rhythm. The instinct is to assume the technique was never really there. Usually it was, and something else changed.
Three things are different on meet day
- Full competition spacing and height. A lot of practice reps happen at a shorter spacing or a lower bar than the meet uses, which trains a stride pattern that does not fit the real distance between barriers.
- Approach speed into hurdle one. Adrenaline gets an athlete to the first barrier faster than the pace they trained at, and a stride pattern built for one speed does not survive arriving early.
- An unfamiliar track and a crowd. Neither of those shows up as a number, but both change how an athlete runs the first ten strides, and the first hurdle sets the pattern for every one after it.
The first hurdle is doing most of the damage here. Take off wrong at hurdle one and the whole race is a series of corrections rather than a rhythm, which is why a clean week of practice can still end in a chopped meet.
What is actually worth checking
Film the last few practice reps at the real competition spacing and height, not the training spacing, and film the warm-up hurdle at the meet if you can. Compare the two side by side. If the numbers hold up at real spacing, the technique was never the issue and the fix is pacing into hurdle one. If the numbers change once the spacing gets real, the practice reps were teaching the wrong distance.
What StatLap can and cannot tell you here
The hurdles analysis reports trunk dip over the barrier, lead-leg extension, how far the hips rise at the hurdle, and overstride between barriers, from whichever clip you hand it. It has no idea it is looking at a practice rep instead of a meet attempt, and it cannot sense adrenaline or a crowd. The comparison only works if you deliberately film at true spacing before the meet, because the app can only ever read the clip you give it.
A single side-on camera also cannot see the trail leg, which is on the far side of the body for half of every clearance, so it will not catch a trail-leg problem hiding behind an otherwise clean lead leg. Film a second angle from behind if that is where you suspect the fault actually lives.
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Related
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