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Showing circuit 1,001–1,050 of 1,181 circuits with the current search criteria.
 | Smoky Mountain Speedway Maryville, Tennessee, United States | 0 upcoming race(s) |
 | Smolensk Ring Smolensk, Smolensk Oblast, Russia | 0 upcoming race(s) |
 | Snetterton Motor Racing Circuit Snetterton, Norfolk, England, United Kingdom | 31 upcoming race(s) |
| Sochi Autodrom Sochi, Krasnodar Krai, Russia | 1 upcoming race(s) |
 | Sodegaura Forest Raceway Sodegaura, Chiba, Kantō, Japan | 0 upcoming race(s) |
 | Sofia Karting Ring Sofia, Bulgaria | 0 upcoming race(s) |
| Sofia Street Circuit Sofia, Bulgaria | 0 upcoming race(s) |
 | Sokol Race Track Mezhdurechenskoe, Ile District, Almaty Region, Kazakhstan | 0 upcoming race(s) |
 | Songdo Street Circuit Yeonsu-gu, Incheon, South Korea | 0 upcoming race(s) |
| Sonoma Raceway Sonoma, California, United States | 18 upcoming race(s) |
| South Alabama Speedway Kinston, Alabama, United States | 0 upcoming race(s) |
| South Bend Motor Speedway South Bend, Indiana, United States | 0 upcoming race(s) |
| South Boston Speedway South Boston, Virginia, United States | 2 upcoming race(s) |
 | South Dakota Circuit Timehri, Demerara-Mahaica, Guyana | 3 upcoming race(s) |
| South Georgia Motorsports Park Cecil, Georgia, United States | 0 upcoming race(s) |
| South Sound Speedway Rochester, Washington, United States | 0 upcoming race(s) |
| South Texas Speedway Old Brownsville, United States | 0 upcoming race(s) |
| Southern National Motorsports Park Lucama, North Carolina, United States | 10 upcoming race(s) |
 | Southern Ontario Motor Speedway Merlin, Ontario, Canada | 0 upcoming race(s) |
| Spanaway Speedway Tacoma, WA, United States | 0 upcoming race(s) |
| Speed Creek Raceway Lapel, Indiana, United States | 0 upcoming race(s) |
| SpeedVegas Las Vegas, Nevada, United States | 0 upcoming race(s) |
| Speedway 660 Geary, New Brunswick, Canada | 1 upcoming race(s) |
| Speedway 95 Hermon, Maine, United States | 0 upcoming race(s) |
| Speedway Lanes New Bremen, Ohio, United States | 0 upcoming race(s) |
| Speedway Miramichi Miramichi, NB, Canada | 6 upcoming race(s) |
| Spencer Speedway Williamson, New York, United States | 0 upcoming race(s) |
| Spitzer Motor Speedway Mansfield, Ohio, United States | 0 upcoming race(s) |
| Sportsdrome Speedway Clarksville, Indiana, United States | 1 upcoming race(s) |
| Sportsland SUGO Murata, Miyagi Prefecture, Japan | 17 upcoming race(s) |
| Spring Mountain Motorsports Ranch Pahrump, Nevada, United States | 2 upcoming race(s) |
| Springport Mid-Michigan Speedway Springport, Michigan, United States | 1 upcoming race(s) |
| Spud Speedway Caribou, Maine, United States | 0 upcoming race(s) |
| Stafford Motor Speedway Stafford Springs, Connecticut, United States | 5 upcoming race(s) |
| Standlake Arena A415, Witney, United Kingdom | 0 upcoming race(s) |
 | Star Raceway Klerksdorp Klerksdorp, South Africa | 0 upcoming race(s) |
| Star Speedway Epping, New Hampshire, United States | 7 upcoming race(s) |
| Stara Zagora Circuit Stara Zagora Province, Bulgaria | 0 upcoming race(s) |
| State Park Speedway Wausau, Wisconsin, United States | 1 upcoming race(s) |
| Stateline 515 Speedway Post Falls, Idaho, United States | 0 upcoming race(s) |
| Stateline Speedway (NY) Busti, New York, United States | 0 upcoming race(s) |
| Stockton 99 Speedway Stockton, California, United States | 5 upcoming race(s) |
| Stockton Dirt Track Stockton, California, United States | 0 upcoming race(s) |
 | Streets of Ensenada Ensenada, Baja California, Mexico | 0 upcoming race(s) |
| Streets of Houston Houston, Texas, United States | 0 upcoming race(s) |
| Streets of Nashville Nashville, Tennessee, United States | 2 upcoming race(s) |
| Streets of St. Petersburg St. Petersburg, Florida, United States | 2 upcoming race(s) |
 | Sturup Raceway Svedala, Skåne, Sweden | 0 upcoming race(s) |
 | Sumbe Circuit Sumbe, Kwanza Sul, Angola | 0 upcoming race(s) |
| Summit Point Motorsports Park Jefferson County, West Virginia, United States | 8 upcoming race(s) |
