California Insect Bots.
Practice Sessions.
RFL Events.
 A Great Education.
Resources.
Dave's Hubs.
National Organization:
The Robot Fighting League (RFL) was created in 2002 out of an ongoing discussion among many of the combat robot event organizers. The RFL mission is to promote the sport of fighting robots, provide consistency between events and support builders and event organizers.  Recent News

Local Robot Fighting League (RFL) Events include:

RoboGames: The Big Show! The Big Kahuna. All bots of all sizes & descriptions. The once a year event not to miss!

SacBots Events: Fast, Friendly, Great Sound, Big Screen Displays, Lots of Fun.

FNF Presents Marin Wars The Sauro’s host a most excellent event. Bring your bot, bring your appetite. Great people.

Team Think Tank Saturday Night Fights: Vertical Blades aplenty, Fire, Awesome Arena, best of the best competitions.

RFL Videos can be found throughout the net - but one good place is
http://www.youtube.com/group/RFL - take a look!