Looks like FIRST has put up the schedule for the events for 2013
here. I'm not positive that they are all there, but a lot are.
Week 1: Feb 28-Mar 2
BAE Granite State Regional
Finger Lakes Regional
Palmetto Regional
Lubbock Regional
Central Valley Regional(Mar 1-3)
Kettering University FIRST Robotics District Competition(Mar 1-2)
Traverse City FIRST Robotics District Competition(Mar 1-2)
Hatboro-Horsham FIRST Robotics District Competition(Mar 2-3)
Week 2: Mar 7-9
Greater Toronto East Regional
San Diego Regional
Orlando Regional
WPI Regional
Northern Lights Regional
Lake Superior Regional
Autodesk Oregon Regional
Lone Star Regional
New York City Regional(Mar 8-10)
Gull Lake FIRST Robotics District Competition(Mar 8-9)
Waterford FIRST Robotics District Competition(Mar 8-9)
Week 2.5: Mar 10-12
Israel
Week 3: Mar 14-16
Festival de Robotique FRC a Montreal Regional
Peachtree Regional
Boilermaker Regional
Greater Kansas City Regional
St. Louis Regional Chaifetz Arena
North Carolina Regional
Pittsburgh Regional
Virginia Regional
Detroit FIRST Robotics District Competition(Mar 15-16)
St Joseph FIRST Robotics District Competition(Mar 15-16)
Springside - Chestnut Hill FIRST Robotics District Competition(Mar 15-16)
Week 4: Mar 21-23
Waterloo Regional University of Waterloo
Phoenix Regional
Sacramento Regional
Los Angeles Regional
Bayou Regional
Boston Regional
Queen City Regional
Dallas Regional
Utah Regional
Central Washington Regional
Wisconsin Regional
West Michigan FIRST Robotics District Competition(Mar 22-23)
Grand Blanc FIRST Robotics District Competition Grand Blanc High School(Mar 22-23)
Mount Olive FIRST Robotics District Competition Mount Olive High School(Mar 23-24)
Lenape Seneca FIRST Robotics District Competition(Mar 23-24)
Week 5: Mar 28-30
Greater Toronto West Regional
Inland Empire Regional
Connecticut Regional
Washington DC Regional
South Florida Regional
Minnesota 10000 Lakes Regional
Minnesota North Star Regional
Buckeye Regional
Oklahoma Regional
Smoky Mountains Regional
Alamo Regional
Seattle Regional
Livonia FIRST Robotics District Competition(Mar 29-30)
Troy FIRST Robotics District Competition(Mar 29-30)
Week 6: Apr 4-6
Western Canadian FRC Regional
Razorback Regional
Silicon Valley Regional
Colorado Regional
Midwest Regional
Crossroads Regional
Pine Tree Regional
Las Vegas Regional
SBPLI Long Island Regional
Spokane Regional
Week 7: Apr 11-13
Chesapeake Regional
Michigan FRC State Championship
Mid-Atlantic Robotics FRC Region Championship
Championship: Apr 24-27