McSweyn’s stride is not only choppy and relatively short, but for this level of athlete, his stride is displaying some major asymmetry, which will most definitely cut into his running economy.
(1) McSweyn’s right femur extends higher than his left thigh;
(2) McSweyn’s right elbow extends further back than his left elbow.
The video evidence of these points are undeniable. The backdrop in the following clip helps to gage the positions of the athlete’s limbs.
A zoomed-in slo-mo is included at the end of the following clip:
I’ve seen no one mention this (yet), so you heard it here first.


