[crispus]

Welcome newbies, whether defined chronologically of post-o-logically; might I suggest, though, that you're re-inventing the wheel, since many threads already exist for such events, as well as for the general category as a whole? Additionally, one useful feature of many of those is providing information about which event (name, location, date etc.) each picture is from; with that in mind, and also to suggest that one event in particular deserved to be specified instead of lumped into "and more," here's a Fremont Solstice (pre-)Parade biker from 2015 in Seattle...