Starts at Aaron's Bicycle Repair in West Seattle, 6:30 PM, Sat. July 23. Check for details at www.rideyourbike.com. I think they would love to have an Xtracycle paceline, but it sounds like anyone on any kind of bike is welcomed. As far as speed goes, any Xtracycle could best be described as "dignified and majestic" as opposed to "fast". Hopefully the mods will not object to me posting this in this forum, since the Xtracycles usually seem to go along with car-free people.