| September 1, 2018 | Sat | Autodrome Montmagny | P | QC | Canadian Stock Car Championship | | | |
| September 1, 2018 | Sat | Dells Raceway Park | P | WI | ARCA Midwest Tour | | | |
| September 1, 2018 | Sat | Hickory Motor Speedway | P | NC | NWAAS | Bobby Isaac Memorial | 150 | |
| September 1, 2018 | Sat | Jukasa Motor Speedway | P | CAN | APC United Late Model Series | Canadian ST Nat'ls | TBA | |
| September 1, 2018 | Sat | Jukasa Motor Speedway | P | CAN | Super Stock | Canadian ST Nat'ls | TBA | |
| September 1, 2018 | Sat | Montgomery Motor Speedway | P | AL | Show Me the Money Series | Alabama 200 - Qualifying | | |
| September 1, 2018 | Sat | Montgomery Motor Speedway | P | AL | Modifieds of Mayhem | Practice | | |
| September 1, 2018 | Sat | New London Waterford Speedbowl | P | CT | SK Modifieds | | | |
| September 1, 2018 | Sat | Oswego Speedway | P | NY | ISMA Supermodifieds | | | |
| September 1, 2018 | Sat | Oswego Speedway | P | NY | NASCAR Whelen Modified Tour | | | |
| September 1, 2018 | Sat | Speedway 660 | P | NB | Sportsman | Martin's Home Heating 150 | 150 | |
| September 1, 2018 | Sat | Star Speedway | P | NH | NEMA Lites | | | |
| September 1, 2018 | Sat | Attica Raceway Park | D | OH | All Star Sprints | Dirt Classic Ohio | | |
| September 1, 2018 | Sat | Deer Creek Speedway | D | MN | USMTS | | | |
| September 1, 2018 | Sat | Jackson Motorplex | D | MN | Lucas Oil ASCS National | | | |
| September 1, 2018 | Sat | Lancaster Speedway | D | SC | Carolina Clash | | | |
| September 1, 2018 | Sat | Lebanon Valley Speedway | D | NY | Super DIRTcar Series | | | |
| September 1, 2018 | Sat | Portsmouth Raceway Park | D | OH | Lucas Oil LM Dirt Series | Bob Miller Memorial | | |
| September 1, 2018 | Sat | Skagit Speedway | D | WA | World of Outlaws Sprint Cars | Outlaw Energy Showdown | | |
| September 1, 2018 | Sat | Thunderhill Raceway | D | GA | Southern All Stars Series | Labor Day Special | | |
| September 1, 2018 | Sat | Volunteer Speedway | D | TN | Southern Nationals Bonus Series | | | |
| | | | | | | | |
| September 2, 2018 | Sun | Cartaret County Speedway | P | NC | Southern Modified Racing Series | | | |
| September 2, 2018 | Sun | Claremont Speedway | P | NH | Granite State Pro Stock Series | | 150 | |
| September 2, 2018 | Sun | Jukasa Motor Speedway | P | CAN | Pro Late Models | Canadian ST Nat'ls | | |
| September 2, 2018 | Sun | Oswego Speedway | P | NY | Supermodifieds | International Classic 200 | | |
| September 2, 2018 | Sun | Speedway 660 | P | NB | Pro Stocks | Pro Stock 250 | 250 | |
| September 2, 2018 | Sun | Thunder Road | P | VT | ACT Late Model Tour | Labor Day Classic | | |
| September 2, 2018 | Sun | Montgomery Motor Speedway | P | AL | Show Me the Money Series | Alabama 200 | 200 | |
| September 2, 2018 | Sun | Montgomery Motor Speedway | P | AL | Modifieds of Mayhem | Race #9 | 75 | |
| September 2, 2018 | Sun | Winchester Speedway | P | IN | JEGS/CRA All-Stars Tour | World Stock Car Festival | | |
| September 2, 2018 | Sun | Winchester Speedway | P | IN | Vore's Compact Touring Series | World Stock Car Festival | | |
| September 2, 2018 | Sun | Wiscasset Speedway | P | ME | Pro Stocks | Boss Hogg 150 | 150 | |
| September 2, 2018 | Sun | Cherokee Speedway | D | SC | Carolina Clash | | | |
| September 2, 2018 | Sun | Cornwall Motor Speedway | D | ON | DIRTcar 358 Modified Series-North | | | |
| September 2, 2018 | Sun | Cornwall Motor Speedway | D | ON | DIRTcar Sportsman Series-North | | | |
| September 2, 2018 | Sun | Cresco Speedway | D | IA | USMTS | | | |
| September 2, 2018 | Sun | Du Quoin State Fairgrounds | D | IL | USAC Silver Crown | | | |
| September 2, 2018 | Sun | Tazewell Speedway | D | TN | Southern Nationals Bonus Series | | | |
| September 2, 2018 | Sun | Thunder Mountain Speedway | D | NY | STSS Crate Sportsman North | | | |
| September 2, 2018 | Sun | TNT Speedway | D | WI | Dirt Kings LM Tour | Labor Day Shootout | | |
| September 2, 2018 | Sun | Tyler County Speedway | D | WV | Lucas Oil LM Dirt Series | 50th Annual Hillbilly Hundred | | |
| September 2, 2018 | Sun | Wayne County Speedway | D | OH | All Star Sprints | Pete Jacobs Memorial | | |
| | | | | | | | |
| September 3, 2018 | Mon | Caraway Speedway | P | NC | NWAAS | Limited Late Models | 40 | |
| September 3, 2018 | Mon | Carteret County Speedway | P | NC | SMRS | | | |
| September 3, 2018 | Mon | Golden Sands Speedway | P | WI | TUNDRA Series | | | |
| September 3, 2018 | Mon | Winchester Speedway | P | IN | ARCA/CRA Super Series | World Stock Car Festival | | |
| September 3, 2018 | Mon | Winchester Speedway | P | IN | CRA Late Model Sportsman | World Stock Car Festival | | |
| September 3, 2018 | Mon | Winchester Speedway | P | IN | CRA Street Stocks | World Stock Car Festival | | |
| September 3, 2018 | Mon | Winchester Speedway | P | IN | I-CAR All-Star Modifieds | World Stock Car Festival | | |
| September 3, 2018 | Mon | Winchester Speedway | P | IN | Vore's Compact Touring Series | World Stock Car Festival | | |
| September 3, 2018 | Mon | DuQuoin State Fairgrounds | D | IL | ARCA Racing Series | | | |
| September 3, 2018 | Mon | Grays Harbor Raceway | D | WA | World of Outlaws Sprint Cars | | | |
| September 3, 2018 | Mon | Millstream Speedway | D | OH | All Star Sprints | | | |
| September 3, 2018 | Mon | Weedsport Speedway | D | NY | DIRTcar Pro Stock Series | | | |
| September 3, 2018 | Mon | Weedsport Speedway | D | NY | Super DIRTcar Series | | | |
| | | | | | | | |
| September 5, 2018 | Wed | Willamette Speedway | D | OR | World of Outlaws Sprint Cars | | | |
| | | | | | | | |
| September 7, 2018 | Fri | Lucas Oil Raceway | P | IN | ARCA Racing Series | | | |
| September 7, 2018 | Fri | Le RPM Speedway | D | QC | DIRTcar Pro Stock Series | | | |
| September 7, 2018 | Fri | Le RPM Speedway | D | QC | Super DIRTcar Series | | | |
| September 7, 2018 | Fri | Port Royal Speedway | D | PA | All Star Sprints | Night Before the 50 | | |
| September 7, 2018 | Fri | Ransomville Speedway | D | NY | DIRTcar Sportsman Series-West | | | |
| September 7, 2018 | Fri | Silver Dollar Speedway | D | CA | World of Outlaws Sprint Cars | Gold Cup Race of Champions | | |
| | | | | | | | |
| September 8, 2018 | Sat | Autodrome St-Eustache | P | QC | Canadian Stock Car Championship | Season Finale | | |
| September 8, 2018 | Sat | Beech Ridge Motor Speedway | P | ME | NASCAR Whelen All-American Series | Season Finale | | |
| September 8, 2018 | Sat | Caraway Speedway | P | NC | NWAAS | Limited Late Models | 40 | |
| September 8, 2018 | Sat | The Bullring at Las Vegas | P | NV | NWAAS | | | |
| September 8, 2018 | Sat | Caraway Speedway | P | NC | Southern Modified Racing Series | | | |
| September 8, 2018 | Sat | Caraway Speedway | P | NC | 602 Tour Super Limiteds | | | |
| September 8, 2018 | Sat | Claremont Speedway | P | NH | Modifieds | Open Show | 100 | |
| September 8, 2018 | Sat | Dells Raceway Park | P | WI | Super Late Models | Wisconsin Challenge Series | | |
| September 8, 2018 | Sat | Dominion Raceway | P | VA | NWAAS | | | |
| September 8, 2018 | Sat | Evergreen Speedway | P | WA | NWSLMS | | 100 | |
| September 8, 2018 | Sat | Hickory Motor Speedway | P | NC | NWAAS | LMSC Twin 40s | 80 | |
| September 8, 2018 | Sat | Lucas Oil Raceway | P | IN | ARCA/CRA Super Series | Speed51 Super Select | | |
| September 8, 2018 | Sat | Lucas Oil Raceway | P | IN | USAC Silver Crown | | | |
| September 8, 2018 | Sat | Myrtle Beach Speedway | P | SC | NWAAS | Late Model Stocks | | |
| September 8, 2018 | Sat | New London Waterford Speedbowl | P | CT | SK Modifieds | | | |
| September 8, 2018 | Sat | Orange County Speedway | P | NC | CARS Tour LMSC | | | |
| September 8, 2018 | Sat | Orange County Speedway | P | NC | CARS Tour SLM | | | |
| September 8, 2018 | Sat | Oxford Plains Speedway | P | ME | Super Late Models | Season Finale | | |
| September 8, 2018 | Sat | Riverhead Raceway | P | NY | NASCAR Whelen Modified Tour | | | |
| September 8, 2018 | Sat | Riverside International Speedway | P | NS | Parts for Trucks Pro Stock Tour | Race #11 | | |
| September 8, 2018 | Sat | Roseville Speedway | P | CA | Pacific Challenge Series | | | |
| September 8, 2018 | Sat | South Boston Speedway | P | VA | NWAAS | LMSC Twin 75 | 150 | |
| September 8, 2018 | Sat | Star Speedway | P | NH | Granite State Pro Stock Series | Star Classic | | |
| September 8, 2018 | Sat | Star Speedway | P | NH | ISMA Supermodifieds | Star Classic | | |
| September 8, 2018 | Sat | Wiscasset Speedway | P | ME | NEMA Midgets/Lites | | | |
| September 8, 2018 | Sat | Airborne Park Speedway | D | NY | DIRTcar Pro Stock Series | | | |
| September 8, 2018 | Sat | Autodrome Drummond | D | QC | Super DIRTcar Series | | | |
| September 8, 2018 | Sat | Can-Am Speedway | D | NY | DIRTcar 358 Modified Series-South | | | |
| September 8, 2018 | Sat | Eldora Speedway | D | OH | Dirt Late Models | | | |
| September 8, 2018 | Sat | Merrittville Speedway | D | ON | DIRTcar Sportsman Series-West | | | |
| September 2, 2018 | Sun | Plymouth Dirt Track | D | WI | Dirt Kings LM Tour | Discount Shop Towels 30 | 30 | |
| September 8, 2018 | Sat | Port Royal Speedway | D | PA | All Star Sprints | Tuscarora 50 | | |
| September 8, 2018 | Sat | Silver Dollar Speedway | D | CA | World of Outlaws Sprint Cars | Gold Cup Race of Champions | | |
| | | | | | | | |
| September 9, 2018 | Sun | Humberstone Speedway | D | ON | DIRTcar Sportsman Series-West | | | |
| | | | | | | | |
| September 9, 2018 | Wed | Placerville Speedway | D | CA | World of Outlaws Sprint Cars | Brad Sweet Placerville Short Track Showdown | | PPD to Sept. 12 |
| | | | | | | | |
| September 13, 2018 | Thu | Knoxville Raceway | D | IA | Lucas Oil LM Dirt Series | 15th Annual Late Model Nationals | | |
| September 13, 2018 | Thu | The Dirt Track at Las Vegas | D | NV | NASCAR K&N Pro Series West | | | |
| | | | | | | | |
| September 14, 2018 | Fri | Claremont Speedway | P | NH | Northeast Mini Stock Tour | Four Cylinder Nationals | | |
| September 14, 2018 | Fri | Kingsport Speedway | P | TN | NWAAS | Non-Winners Race | | |
| September 14, 2018 | Fri | Brewerton Speedway | D | NY | Super DIRTcar Series | | | |
| September 14, 2018 | Fri | Brewerton Speedway | D | NY | DIRTcar Sportsman Series-Central | | | |
| September 14, 2018 | Fri | Calistoga Speedway | D | CA | World of Outlaws Sprint Cars | Wine Country Outlaw Showdown | | |
| September 14, 2018 | Fri | Knoxville Raceway | D | IA | Lucas Oil LM Dirt Series | 15th Annual Late Model Nationals | | |
| September 14, 2018 | Fri | Mohawk Int'l Raceway | D | NY | DIRTcar 358 Modified Series-North | | | |
| September 14, 2018 | Fri | Mohawk Int'l Raceway | D | NY | DIRTcar Pro Stock Series | | | |
| September 14, 2018 | Fri | Outlaw Speedway | D | NY | All Star Sprints | | | |
| September 14, 2018 | Fri | Terre Haute Action Track | D | IN | USAC National Sprints | | | |
| | | | | | | | |
| September 15, 2018 | Sat | Anderson Speedway | P | IN | CRA Late Model Sportsman | Fall Harvest | | |
| September 15, 2018 | Sat | Anderson Speedway | P | IN | CRA Street Stocks | Fall Harvest | | |
| September 15, 2018 | Sat | Anderson Speedway | P | IN | Vore's Compact Touring Series | Fall Harvest | | |
| September 15, 2018 | Sat | Caraway Speedway | P | NC | NWAAS | Limited Late Models | 40 | |
| September 15, 2018 | Sat | Delaware Speedway | P | ON | APC United Late Model Series | Great Canadian 100 | 100 | |
| September 15, 2018 | Sat | Dominion Raceway | P | VA | NWAAS | | | |
| September 15, 2018 | Sat | Hickory Motor Speedway | P | NC | NWAAS | Track Championship Night | 100 | |
| September 15, 2018 | Sat | Kern County Raceway Park | P | CA | NWAAS | Late Model Twins | | |
| September 15, 2018 | Sat | Myrtle Beach Speedway | P | SC | NWAAS | Night of Champions | | |
| September 15, 2018 | Sat | New London-Waterford Speedbowl | P | CT | Modified Racing Series | | 100 | |
| September 15, 2018 | Sat | New London-Waterford Speedbowl | P | CT | NEMA Midgets/Lites | | | |
| September 15, 2018 | Sat | Orange Show Speedway | P | CA | Lucas Oil Modifieds | | | |
| September 15, 2018 | Sat | Riverhead Raceway | P | NY | Modifieds | Whelen Twin 50's | | |
| September 15, 2018 | Sat | Salem Speedway | P | IN | ARCA Racing Series | | | |
| September 15, 2018 | Sat | Scotia Speedworld | P | NS | Parts for Trucks Pro Stock Tour | Season Finale | 200 | |
| September 15, 2018 | Sat | Toledo Speedway | P | OH | ARCA/CRA Super Series | Glass City 200 | 100 | |
| September 15, 2018 | Sat | Toledo Speedway | P | OH | Outlaw SLM | Glass City 200 | 100 | |
| September 15, 2018 | Sat | TBA | P | TBA | Granite State Pro Stock Series | | | |
| September 15, 2018 | Sat | TBA | P | FL | Southern Sprint Car Shootout | | | |
| September 15, 2018 | Sat | TBA | P | TBA | Super Cup Stock Car Series | | | |
| September 15, 2018 | Sat | White Mountain Motorsports Park | P | NH | PASS North | Race #14 | 150 | |
| September 15, 2018 | Sat | Calistoga Speedway | D | CA | World of Outlaws Sprint Cars | Wine Country Outlaw Showdown | | |
| September 15, 2018 | Sat | I-75 Raceway | D | TN | Southern All Stars | | | |
| September 15, 2018 | Sat | Knoxville Raceway | D | IA | Lucas Oil LM Dirt Series | 15th Annual Late Model Nationals | | |
| September 15, 2018 | Sat | Modoc Raceway | D | SC | USLMS | | | |
| September 15, 2018 | Sat | Mohawk Int'l Raceway | D | NY | DIRTcar Sportsman Series-North | | | |
| September 15, 2018 | Sat | Mohawk Int'l Raceway | D | NY | Super DIRTcar Series | | | |
| September 15, 2018 | Sat | Selinsgrove Speedway | D | PA | All Star Sprints | National Open | | |
| September 15, 2018 | Sat | Thunder Mountain Speedway | D | NY | STSS Open Sportsman | | | |
| September 15, 2018 | Sat | Tri-State Speedway | D | IN | USAC National Sprints | | | |
| September 15, 2018 | Sat | Wilmot Raceway | D | WI | Dirt Kings LM Tour | Wildman Watson Classic | | |
| | | | | | | | |
| September 16, 2018 | Sun | Devil's Bowl Speedway | D | VT | Sportsman Modifieds | $10K Vermont 200 | 200 | |
| | | | | | | | |
| September 20, 2018 | Thu | Dominion Raceway | P | VA | NWAAS | | | |
| September 20, 2018 | Thu | Deer Creek Speedway | D | MN | USMTS | Fall Jamboree | | |
| September 20, 2018 | Thu | Lucas Oil Speedway | D | MO | Lucas Oil ASCS National | Hockett/McMillin Memorial | | |
| | | | | | | | |
| September 21, 2018 | Fri | Brighton Speedway | D | ON | DIRTcar Sportsman Series-West | | | |
| September 21, 2018 | Fri | Brownstown Speedway | D | IN | Lucas Oil LM Dirt Series | 39th Annual Jackson 100 | | |
| September 21, 2018 | Fri | Deer Creek Speedway | D | MN | USMTS | Fall Jamboree | | |
| September 21, 2018 | Fri | Eldora Speedway | D | OH | World of Outlaws Sprint Cars | BeFour the Crowns Showdown | | |
| September 21, 2018 | Fri | Fonda Speedway | D | NY | DIRTcar 358 Modified Series-South | | | |
| September 21, 2018 | Fri | Fonda Speedway | D | NY | DIRTcar Sportsman Series-Central | | | |
| September 21, 2018 | Fri | Le RPM Speedway | D | QC | DIRTcar 358 Modified Series-North | | | |
| September 21, 2018 | Fri | Le RPM Speedway | D | QC | DIRTcar Sportsman Series-North | | | |
| September 21, 2018 | Fri | Lucas Oil Speedway | D | MO | Lucas Oil ASCS National | Hockett/McMillin Memorial | | |
| September 21, 2018 | Fri | Outlaw Speedway | D | NY | World of Outlaws Late Models | $10,000-to-Win | | |
| | | | | | | | |
| September 22, 2018 | Sat | Beech Ridge Motor Speedway | P | ME | PASS North | Race #15 | | |
| September 22, 2018 | Sat | The Bullring at Las Vegas | P | NV | NWAAS | | | |
| September 22, 2018 | Sat | Elko Speedway | P | MN | Big 8 Late Models | Thunderstruck 93 | 93 | |
| September 22, 2018 | Sat | Five Flags Speedway | P | FL | Southern Super Series | Blizzard Series FInale | | |
| September 22, 2018 | Sat | Five Flags Speedway | P | FL | Allen Turner PLM | Allen Turner Hyundai Tune-Up | | |
| September 22, 2018 | Sat | Hickory Motor Speedway | P | NC | Southern Modified Racing Series | | | |
| September 22, 2018 | Sat | Hickory Motor Speedway | P | NC | 602 Tour Modifieds | | | |
| September 22, 2018 | Sat | Hickory Motor Speedway | P | NC | 602 Tour Super Limiteds | | | |
| September 22, 2018 | Sat | Lancaster National Speedway | P | NY | RoC Super Stock Series | | | |
| September 22, 2018 | Sat | Mahoning Valley Speedway | P | PA | Modifieds | Final Points Night | | |
| September 22, 2018 | Sat | New Hampshire Motor Speedway | P | NH | NASCAR K&N Pro Series East | Short Track Extravaganza | | |
| September 22, 2018 | Sat | New Hampshire Motor Speedway | P | NH | NASCAR Pinty's Series | Short Track Extravaganza | | |
| September 22, 2018 | Sat | New Hampshire Motor Speedway | P | NH | NASCAR Whelen Modified Tour | Short Track Extravaganza | | |
| September 22, 2018 | Sat | New London Waterford Speedbowl | P | CT | SK Modifieds | | | |
| September 22, 2018 | Sat | Seekonk Speedway | P | MA | Pro Stocks | Championship Night | | |
| September 22, 2018 | Sat | Southern Nat'l Motorsports Park | P | NC | NASCAR Late Model Stock Cars | Season Finale | | |
| September 22, 2018 | Sat | Wiscasset Speedway | P | ME | Pro Stocks | Championship Night | | |
| September 22, 2018 | Sat | 4-17 Southern Speedway | P | FL | SLM | Top Gun Super Six #5 | | |
| September 22, 2018 | Sat | Autodrome Drummond | D | QC | DIRTcar 358 Modified Series-North | | | |
| September 22, 2018 | Sat | Autodrome Drummond | D | QC | DIRTcar Sportsman Series-North | | | |
| September 22, 2018 | Sat | Bear Ridge Speedway | D | VT | DIRTcar Sportsman | NE Crate Motor Nationals | 100 | |
| September 22, 2018 | Sat | Brighton Speedway | D | ON | DIRTcar Sportsman Series-West | | | |
| September 22, 2018 | Sat | Brownstown Speedway | D | IN | Lucas Oil LM Dirt Series | 39th Annual Jackson 100 | | |
| September 22, 2018 | Sat | Deer Creek Speedway | D | MN | USMTS | Fall Jamboree | | |
| September 22, 2018 | Sat | Eldora Speedway | D | OH | All Star Sprints | Four Crown Nationals | | |
| September 22, 2018 | Sat | Eldora Speedway | D | OH | USAC National Midgets | Four Crown Nationals | | |
| September 22, 2018 | Sat | Eldora Speedway | D | OH | USAC National Sprints | Four Crown Nationals | | |
| September 22, 2018 | Sat | Eldora Speedway | D | OH | USAC Silver Crown | Four Crown Nationals | | |
| September 22, 2018 | Sat | Friendship Motor Speedway | D | NC | Carolina Clash | | | |
| September 22, 2018 | Sat | Fonda Speedway | D | NY | DIRTcar Pro Stock Series | | | |
| September 22, 2018 | Sat | Fonda Speedway | D | NY | Super DIRTcar Series | | | |
| September 22, 2018 | Sat | Lernerville Speedway | D | PA | World of Outlaws Sprint Cars | Commonwealth Clash | | |
| September 22, 2018 | Sat | Lucas Oil Speedway | D | MO | Lucas Oil ASCS National | Hockett/McMillin Memorial | | |
| September 22, 2018 | Sat | Selinsgrove Speedway | D | PA | World of Outlaws Late Models | Late Model National Open | | |
| | | | | | | | |
| September 23, 2018 | Sun | Autodrome Montmagny | P | QC | Série ACT | Season Finale | | |
| September 23, 2018 | Sun | Dells Raceway Park | P | WI | TUNDRA Series | Season Finale | | |
| September 23, 2018 | Sun | Lancaster National Speedway | P | NY | RoC Asphalt Modified Series | US Open | | |
| September 23, 2018 | Sun | Wenatchee Valley Super Oval | P | WA | NWSLMS | Season Finale | 125 | |
| | | | | | | | |
| September 26, 2018 | Wed | Millbridge Speedway | D | NC | Outlaw Karts | | | |
| | | | | | | | |
| September 27, 2018 | Thu | 141 Speedway | D | WI | Dirt Kings LM Tour | Crowning of the King | | |
| | | | | | | | |
| September 28, 2018 | Fri | Lake Erie Speedway | P | PA | RoC Super Stock Series | | | |
| September 28, 2018 | Fri | Rockford Speedway | P | IL | Various | National Short Track Championships | | |
| September 28, 2018 | Fri | Thunder Road | P | VT | PASS North | Race #16 | | |
| September 28, 2018 | Fri | Thunder Road | P | VT | North East Mini Stock Tour | | | |
| September 28, 2018 | Fri | Thunder Road | P | VT | Street Stock Showdown Series | | | |
| September 28, 2018 | Fri | TBA | D | | World of Outlaws Late Models | | | |
| September 28, 2018 | Fri | Tri-County Race Tracks | D | NC | Southern Nationals Bonus Series | | | |
| September 28, 2018 | Fri | Williams Grove Speedway | D | PA | World of Outlaws Sprint Cars | National Open | | |
| | | | | | | | |
| September 29, 2018 | Sat | TBA | P | TBA | 602 Tour Super Limiteds | | | |
| September 29, 2018 | Sat | Dominion Raceway | P | VA | NWAAS | | | |
| September 29, 2018 | Sat | Dominion Raceway | P | VA | Super Cup Stock Car Series | Season Finale | | |
| September 29, 2018 | Sat | Lake Erie Speedway | P | PA | RoC Asphalt Modified Series | 68th Race of Champions 250 | | |
| September 29, 2018 | Sat | Madera Speedway | P | CA | SRL Southwest Tour | | | |
| September 29, 2018 | Sat | Marshfield Motor Speedway | P | WI | Super Late Models | Yellow River Racing Series Championship | | |
| September 29, 2018 | Sat | Martinsville Speedway | P | VA | NWAAS | ValleyStar Credit Union 300 | 200 | |
| September 29, 2018 | Sat | New London Waterford Speedbowl | P | CT | SK Modifieds | | | |
| September 29, 2018 | Sat | New Smyrna Speedway | P | FL | Super Late Models | Twin 50s | 50x2 | |
| September 29, 2018 | Sat | Meridian Speedway | P | ID | NASCAR K&N Pro Series West | | | |
| September 29, 2018 | Sat | Riverhead Raceway | P | NY | Modifieds | Championship Night | | |
| September 29, 2018 | Sat | Rockford Speedway | P | IL | Big 8 Late Models | National Short Track Championships | | |
| September 29, 2018 | Sat | Thunder Road | P | VT | Late Models | Milk Bowl Qualifying | | |
| September 29, 2018 | Sat | Showtime Speedway | P | FL | Southern Sprint Car Shootout | | | |
| September 29, 2018 | Sat | Dixie Speedway | D | GA | Lucas Oil LM Dirt Series | Dixie Shootout | | |
| September 29, 2018 | Sat | Fayetville Motor Speedway | D | NC | Carolina Clash | | | |
| September 29, 2018 | Sat | Fulton Speedway | D | NY | DIRTcar Modifieds | Outlaw 200 | | |
| September 29, 2018 | Sat | Fulton Speedway | D | NY | DIRTcar Sportsman Series | Sportsman Shootout | | |
| September 29, 2018 | Sat | I-80 Speedway | D | NE | Lucas Oil ASCS National | Fall Brawl | | |
| September 29, 2018 | Sat | Lawrenceburg Speedway | D | IN | USAC National Sprints | | | |
| September 29, 2018 | Sat | Williams Grove Speedway | D | PA | World of Outlaws Sprint Cars | National Open | | |
| September 29, 2018 | Sat | TBA | D | | World of Outlaws Late Models | | | |
| September 29, 2018 | Sat | TBA | D | | Rush Dirt Late Model Series | | | |
| | | | | | | | |
| September 30, 2018 | Sun | Kalamazoo Speedway | P | MI | Outlaw SLM | Super Shoe Nationals XXXII | | |
| September 30, 2018 | Sun | Lucas Oil Raceway | P | IN | CRA Late Model Sportsman | Fall Brawl | | |
| September 30, 2018 | Sun | Lucas Oil Raceway | P | IN | CRA Street Stocks | Fall Brawl | | |
| September 30, 2018 | Sun | Lucas Oil Raceway | P | IN | JEGS/CRA All-Stars Tour | Fall Brawl | | |
| September 30, 2018 | Sun | Lucas Oil Raceway | P | IN | I-CAR All-Star Modifieds | Fall Brawl | | |
| September 30, 2018 | Sun | Lucas Oil Raceway | P | IN | Vore's Compact Touring Series | Fall Brawl | | |
| September 30, 2018 | Sun | Rockford Speedway | P | IL | Super Late Models | National Short Track Championships | 200 | |
| September 30, 2018 | Sun | Stafford Motor Speedway | P | CT | NASCAR Whelen Modified Tour | Fall Final | | |
| September 30, 2018 | Sun | Thunder Road | P | VT | Late Models | Milk Bowl | | |
| September 30, 2018 | Sun | Bethel Motor Speedway | D | NY | STSS Open Sportsman | | | |
| September 30, 2018 | Sun | Rome Speedway | D | GA | Lucas Oil LM Dirt Series | Rome Showdown | | |
