I prefer to break my own wind.
I generally ride alone or in small groups (2-4 riders) I trust. Riding with a bunch of uptight strangers who're afraid of being fast enough, or being labelled "Fred" makes for a tense, unpleasant environment, and sometimes unfortunately crashes.
If you want to go hammer with
the Swami's B group, they meet every Saturday morning at Nytro, 7:45. (Clicky)
Or if you prefer a more social pace,
the North County Cycling Club meets right there in San Marcos, behind restaurant row.
If you're ever riding around Carlsbad during rush hour, I might be on the dog bike:
Sure we'll see each other out on the road at some point this Spring. Peace & safe riding!