Board Thread:The Flash discussions/@comment-28354683-20160501172546/@comment-3423279-20170609131205

Stryzzar wrote: Zoom just said Barry got faster, but he never said Barry was faster than him. He might have been, but it isn't confirmed. Zoom could go Mach 8 prior to absorbing Barry's speed force energy.

With the Tachyon device, Barry could run over Mach 14.