A friend of mine invited me to participate in an alleycat called Frankensmash in our hometown of Bakersfield, California. It's this Saturday (30th of October), and it will be mainly fixed gear/single speed bicycles, though geared bikes are also allowed. Here are the details:

661FIXED.COM: FRANKEN SMASH ALLEY CAT

WHEN:
Saturday October 30th, 2010

TIME:
Registration: 3:30 pm
Race starts: 4:30 pm

WHERE:
True Grit Clothing and Barbering
1312 19th Street
Bakersfield, CA 93301

COST:
$10
Includes FRANKEN SMASH T Shirt

CATEGORIES:
Fixed/Single Speed & Geared
Three or four of Bakersfield's cycling shops have sponsored it, it looks like.
More info at: http://frankensmash.com/

Hope to see some fellow BikeForums users in attendance!