Well it’d be kinda pointless saying anybody but Usain Bolt has the best technique, since even if he doesn’t he’s still faster, so he’s obviously doing it right.
However, I will say that aesthetically I prefer Asafa Powell’s drive acceleration and Tyson Gay’s max velocity mechanics.
I feel the same way…Bolt does have great max velocity and he maintains the(4)position of his legs better than anyone else…He seems to keep the legs at that close angle the longest before foot strike…Most of his counterparts open open earlier…