IMSA

International Motor Sports Association IMSA, is the premier sanctioning body for sports car competition in North America.

The International Motor Sports Association (IMSA) is a North American auto racing sanctioning body based in Daytona Beach, Florida, United States of America. It was started by John Bishop, a former executive director of SCCA (Sports Car Club of America), and his wife Peggy in 1969 with help from Bill France, Sr. of NASCAR. Beginning in 2014,[1] IMSA is the sanctioning body of the WeatherTech SportsCar Championship, the premier series resulting from the merger of Grand-Am Road Racing and the American Le Mans Series presented by Tequila Patrón.

2017 Schedule WeatherTech SportsCar Championship

NEXT ON IMSA TV BMW ENDURANCE CHALLENGE AT DAYTONA – FRI 12:05 PM ET – 04:15 PM ET
SCHEDULE
JAN 06 TO JAN 08 – THE ROAR BEFORE THE ROLEX 24
Daytona Beach, FL
JAN 26 TO JAN 29 – ROLEX 24 AT DAYTONA
Daytona Beach, FL
MAR 15 TO MAR 18 – MOBIL 1 TWELVE HOURS OF SEBRING FUELED BY FRESH FROM FLORIDA
Sebring, FL
APR 07 TO APR 08 – BUBBA BURGER SPORTS CAR GRAND PRIX AT LONG BEACH
Long Beach, CA
MAY 04 TO MAY 06 – CIRCUIT OF THE AMERICAS
Austin, TX
JUN 02 TO JUN 03 – CHEVROLET SPORTS CAR CLASSIC PRESENTED BY METRO DETROIT CHEVY DEALERS
Detroit, MI
JUN 29 TO JUL 02 – SAHLEN’S SIX HOURS OF THE GLEN
Watkins Glen, NY
JUL 07 TO JUL 09 – CANADIAN TIRE MOTORSPORT PARK
Clarington, ON
JUL 21 TO JUL 22 – LIME ROCK PARK
Lakeville, CT
AUG 03 TO AUG 06 – CONTINENTAL TIRE ROAD RACE SHOWCASE
Elkhart Lake, WI
AUG 25 TO AUG 27 – MICHELIN GT CHALLENGE AT VIR
Alton, VA
SEP 22 TO SEP 24 – CONTINENTAL TIRE MONTEREY GRAND PRIX POWERED BY MAZDA
Salinas, CA
OCT 04 TO OCT 07 – PETIT LE MANS
Braselton, GA

Classes

Prototype (P): Combining Daytona Prototypes, LMP2 and DeltaWing cars, the Prototype class features the fastest and most technologically advanced sports cars in North America, which are capable of speeds of 200 mph.

Prototype Challenge (PC): Prototype Challenge is a spec class featuring open top race cars and technology such as carbon fiber chassis, carbon brakes and a sequential gearbox.

GT Le Mans (GTLM): GT Le Mans machines are the most elite and fastest GT cars on the track, but are still based on production models. A true proving ground for leading manufacturers, GTLM cars are capable of speeds in excess of 180 mph.

GT Daytona (GTD): GT Daytona cars are the second fastest of the GT classes and are enhanced (not defined by) technology.

International Motor Sports Association IMSA
Website: http://www.imsa.com/

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http://velocitymotorsportsnews.com/category/weathertechsportscar/