Road bike VS Hybrids

CyclingObsession

Hi guys Ive been commuting a year now, my round trip is 36miles, Today I had a tailwind was doing 24mph easily, wind was 12mph, I thought I was going really fast as their was a slight hill, however I was still over taken by a hybrid I think, whats the deal with that? I tend to average speeds between 17-19mph on my commute, How r some people faster on hybrids than roadies?