Question: What is the length of the auto racing tracks in the United States that held its first NASCAR race on July 30 , 1961 ?

text: List of auto racing tracks in the United States
Paved ovals -- Paved short tracks

This is a list of all auto racing tracks in the United States. The track length stands for the standard, full courses for each track. The major series listed are only series that currently hold a race at the track.
Track Name Location Surface Length Shape Classes
Airborne Speedway New York Plattsburgh 44°38′02″N 73°29′54″W / 44.633864°N 73.498389°W / 44.633864 ; -73.498389 Asphalt 0.500 miles ( 0.805 km ) Oval Modifieds , Sportsman , Renegades , Mini-Mods , Bombers
Baer Field Speedway Indiana Fort Wayne 40°58′09″N 85°11′45″W / 40.9692295°N 85.1957916°W / 40.9692295 ; -85.1957916 Asphalt 0.500 miles ( 0.805 km ) & 0.375 miles ( 0.604 km ) Oval Half Mile Modifieds , Late Models , Street Stocks , Mini Stocks , Front Wheel Drives
Bristol Motor Speedway Tennessee Bristol 36°30′57″N 82°15′24″W / 36.5157633°N 82.2566017°W / 36.5157633 ; -82.2566017 Concrete 0.533 miles ( 0.858 km )  Monster Energy NASCAR Cup Series , NASCAR Xfinity Series , NASCAR Gander Outdoors Truck Series , USARacing Pro Cup Series , AHDRA Drag Racing , NHRA Drag Racing
Concord Speedway North Carolina Midland 35°18′33″N 80°31′16″W / 35.309198°N 80.5210083°W / 35.309198 ; -80.5210083 Asphalt 0.500 miles ( 0.805 km ) & 0.25 miles ( 0.40 km ) Oval Pro Late Model 's , Late Model Stock Cars , Prue Stock 's , Thunderstox 's , Fast and Furious Fours , USAC Ford Focus Midgets , INEX Legend 's Cars , INEX Bandolero Cars , Arena Car 's
Five Flags Speedway Florida Pensacola 30°30′14″N 87°18′29″W / 30.5037607°N 87.3081224°W / 30.5037607 ; -87.3081224 Asphalt 0.500 miles ( 0.805 km ) Oval Super Late Models , Pro Late Models , Super Stocks , Modifieds , Sportsman , Bombers , NASCAR K & N Pro Series East Gladiators
Greenville-Pickens Speedway South Carolina Greenville 34°49′59″N 82°30′00″W / 34.8331158°N 82.5001185°W / 34.8331158 ; -82.5001185 Asphalt 0.500 miles ( 0.805 km ) Oval
Gresham Motorsports Park Peach State Speedway Georgia Jefferson 34°10′00″N 83°33′08″W / 34.166687°N 83.552352°W / 34.166687 ; -83.552352 Asphalt 0.500 miles ( 0.805 km ) Oval
Hawkeye Downs Speedway Iowa Cedar Rapids 41°56′03″N 91°40′52″W / 41.934290°N 91.681022°W / 41.934290 ; -91.681022 Asphalt 0.500 miles ( 0.805 km ) & 0.25 miles ( 0.40 km ) Oval Late Models , Sportsmen , Hobby Stocks , Hornets , Legends
Illiana Motor Speedway Indiana Schererville 41°28′38″N 87°25′22″W / 41.477121°N 87.422828°W / 41.477121 ; -87.422828 Asphalt 0.500 miles ( 0.805 km ) & 0.25 miles ( 0.40 km ) Oval Super Late Models , Limited ( Crate ) Late Models , Turbo Stox , 4 Cyl . Pure Stocks , INEX Legends Cars , & Bandolero 's
Jennerstown Speedway Pennsylvania Jennerstown 40°09′32″N 79°04′20″W / 40.1588°N 79.0721°W / 40.1588 ; -79.0721 Asphalt 0.522 miles ( 0.840 km ) Oval
Madison International Speedway Wisconsin Oregon 42°54′22″N 89°19′36″W / 42.906173°N 89.326667°W / 42.906173 ; -89.326667 Asphalt 0.500 miles ( 0.805 km ) Oval NASCAR Late Models , Sportsmen , Bandits
Marshfield Motor Speedway Wisconsin Marshfield 44°39′16″N 90°15′17″W / 44.654391°N 90.254768°W / 44.654391 ; -90.254768 Asphalt 0.500 miles ( 0.805 km ) Oval Super Late Model , Super Stock , Pure Stock , X-Treme 4s , Bandits 4 cyl
Martinsville Speedway Virginia Ridgeway 36°38′03″N 79°51′06″W / 36.634128°N 79.851565°W / 36.634128 ; -79.851565 Asphalt 0.526 miles ( 0.847 km )  Monster Energy NASCAR Cup Series , NASCAR Gander Outdoors Truck Series , Late Model , Modified
Mobile International Speedway Alabama Irvington 30°30′50″N 88°13′12″W / 30.513940°N 88.219898°W / 30.513940 ; -88.219898 Asphalt 0.500 miles ( 0.805 km ) Oval Super Late Models , Pro , Late Models , Modifieds , Super Stocks , Sportsman , Bombers
Montgomery Motor Speedway Alabama Montgomery 32°21′24″N 86°26′45″W / 32.356797°N 86.445794°W / 32.356797 ; -86.445794 Asphalt 0.500 miles ( 0.805 km ) Oval ( Oval ) Street Stocks , Super Late Models , Pro Late Models Super Stocks , Bombers , Front Wheel Drive
Myrtle Beach Speedway South Carolina Myrtle Beach 33°44′47″N 78°57′07″W / 33.746493°N 78.951987°W / 33.746493 ; -78.951987 Asphalt 0.538 miles ( 0.866 km )  NASCAR Whelen All-American Late Model Series , Super Trucks , Limited Late Models , Street Stock , Mini Stock , Bombers
New Smyrna Speedway Florida Samsula 29°00′49″N 81°04′11″W / 29.013669°N 81.069822°W / 29.013669 ; -81.069822 Asphalt 0.500 miles ( 0.805 km ) Oval Sportsman , Super Stocks , Mini Stocks , Strictly Stocks , Late Models , Modifieds , FASCAR Pro Trucks , Tour-Type Modifieds , SK-Type Modifieds , NASCAR K & N Pro Series East
Salem Speedway Indiana Salem 38°36′00″N 86°08′25″W / 38.599996°N 86.140291°W / 38.599996 ; -86.140291 Concrete 0.555 miles ( 0.893 km )  ARCA & USAR Late Models , ARCA Trucks , USAC Sprints , & Midgets , Auto Value Super Sprints ( AVSS ) , Hoosier Outlaw Sprint Series ( HOSS ) , Super Stocks , Street Stocks , Dash Cars
Sandusky Speedway Ohio Perkins Township 41°25′37″N 82°42′33″W / 41.426977°N 82.709259°W / 41.426977 ; -82.709259 Asphalt 0.500 miles ( 0.805 km ) Oval MSA & ISMA supermodifieds , ARCA trucks , spectator stocks , pure stocks , sportsmen , modifieds , sprints
South Georgia Motorsports Park Georgia Valdosta 31°03′50″N 83°23′52″W / 31.063998°N 83.397826°W / 31.063998 ; -83.397826 Asphalt 0.500 miles ( 0.805 km ) Oval formerly Valdosta 75 Speedway ( dirt )