Friday, August 27, 2021
| Attica Raceway Park | Attica, OH | Winged 305 Sprint Cars | |
| Attica Raceway Park | Attica, OH | Winged 410 Sprint Cars | |
| Boyd Raceway | Boyd, TX | Winged 305 Sprint Cars | |
| Cedar Lake Speedway | New Richmond, WI | UMSS Traditional Sprint Car Series / Northern Renegades Sprint Car Series / Western Renegade Non-Wing Sprintcar Series | |
| Cedar Lake Speedway | New Richmond, WI | UMSS Winged Sprint Car Series | |
| Clinton County Speedway | Mill Hall, PA | Laurel Highlands Sprint Car Series | |
| Cottage Grove Speedway | Cottage Grove, OR | Wingless Sprint Series | Wingless Nationals |
| Deming Speedway | Everson, WA | Northwest Focus Midget Series | |
| Gallatin Speedway | Belgrade, MT | ASCS Frontier Region | |
| I-30 Speedway | Little Rock, AR | ASCS Elite Non-Wing Sprints | Wingless Short Track Nationals |
| I-80 Speedway | Greenwood, NE | World of Outlaws | |
| I-96 Speedway | Lake Odessa, MI | Non-Wing 410 Sprint Cars | |
| Kalamazoo Speedway | Kalamazoo, MI | Auto Value Bumper to Bumper Super Sprints | |
| Kokomo Speedway | Kokomo, IN | USAC National Sprint Car Series | Kokomo Sprint Car Smack Down |
| Lernerville Speedway | Sarver, PA | Allegheny Sprint Tour | Sprint Car Spectacular |
| Lernerville Speedway | Sarver, PA | RUSH Sprint Car Series | Sprint Car Spectacular |
| Lernerville Speedway | Sarver, PA | Winged 410 Sprint Cars | Sprint Car Spectacular |
| Lincoln Speedway | Lincoln, IL | D2 Midgets | |
| Murray County Speedway | Slayton, MN | Minnesota IMCA Racesaver Sprint Series | |
| Northline Speedway | Darwin, NT | Winged 410 Sprint Cars | Chariots of Thunder |
| Ocean Speedway | Watsonville, CA | King of the West Springs presented by NARC | Fastest Four Days in Motorsports |
| Outlaw Speedway | Dundee, NY | Winged 360 Sprint Cars | |
| Paragon Speedway | Paragon, IN | Non-Wing 410 Sprint Cars | |
| Pensacola Dirt Track | Pensacola, FL | POWRi Southeast Outlaw Midgets | |
| Plymouth Dirt Track | Plymouth, WI | Midwest Sprint Car Association | |
| Red River Valley Speedway | West Fargo, ND | Winged 305 Sprint Cars | |
| River Cities Speedway | Grand Forks, ND | Northern Outlaw Sprint Association | |
| Salina Speedway | Salina, KS | USAC Wingless Sprints Oklahoma | |
| Trail-Way Speedway | Hanover, PA | Winged 358 Sprint Cars | |
| Tri-City Speedway | Pontoon Beach, IL | Midwest Open Wheel Association | |
| US 36 Raceway | Osborn, MO | Winged 305 Sprint Cars | |
| Wagner Speedway | Wagner, SD | Winged 305 Sprint Cars | Season Championship |
| Wakeeney Speedway | Wakeeney, KS | ASCS National Tour | |
| Williams Grove Speedway | Mechanicsburg, PA | All Star Circuit of Champions | Jack Gunn Memorial |
Saturday, August 28, 2021
| 34 Raceway | West Burlington, IA | Winged 305 Sprint Cars | Season Championship |
| 35 Raceway Park | Frankfort, OH | Ohio Thunder RaceSaver Sprint Car Series | |
| Arlington Raceway | Arlington, MN | Winged 305 Sprint Cars | |
| Bandit Speedway | Box Elder, SD | Non-Wing Sprint Cars | |
| BAPS Motor Speedway | York Haven, PA | N on-Wing Super Sportsman | |
| BAPS Motor Speedway | York Haven, PA | Winged Super Sportsman | |
| Bear Ridge Speedway | Bradford, VT | USAC Speed2 DMA Midget Car Series | |
| Beaver Dam Raceway | Beaver Dam, WI | Midwest Sprint Car Association | |
| Berlin Raceway | Marne, MI | Auto Value Bumper to Bumper Super Sprints | Non-Wing |
| Big Sky Speedway | Billings, MT | ASCS Frontier Region | |
| Brockville Ontario Speedway | Brockville, ONT | Winged Crate Sprint Cars | |
| Butler Motor Speedway | Quincy, MI | Winged 410 Sprint Cars | Butler Bash |
| Caney Valley Speedway | Caney, KS | ASCS Sooner Region | |
| Cedar Lake Speedway | New Richmond, WI | UMSS Traditional Sprint Car Series / Northern Renegades Sprint Car Series / Western Renegade Non-Wing Sprintcar Series | |
| Cedar Lake Speedway | New Richmond, WI | UMSS Winged Sprint Car Series | |
| Creek County Speedway | Sapulpa, OK | Winged 305 Sprint Cars | |
| Devil’s Bowl Speedway | Mesquite, TX | Winged 305 Sprint Cars | Season Championship |
| Dodge City Raceway Park | Dodge City, KS | Winged 305 Sprint Cars | Soderberg Memorial |
| Eagle Raceway | Eagle, NE | Winged 305 Sprint Cars | |
| East Bay Raceway Park | Tampa, FL | Top Gun Sprint Car Series | |
| El Paso County Raceway | Calhan, CO | ASCS Elite North Non-Wing Sprints | |
| Electric City Speedway | Eagle, MT | Rocky Mountain Sprints | |
| Grays Harbor Raceway | Elma, WA | Northwest Focus Midget Series | |
| Grays Harbor Raceway | Elma, WA | Winged 360 Sprint Cars | |
| Hesston Speedway | Hesston, PA | Laurel Highlands Sprint Car Series | |
| I-30 Speedway | Little Rock, AR | ASCS Elite Non-Wing Sprints | Wingless Short Track Nationals |
| I-44 Riverside Speedway | Oklahoma City, OK | POWRi West Midget Car Series | |
| I-90 Speedway | Hartford, SD | Winged 305 Sprint Cars | |
| Knoxville Raceway | Knoxville, IA | Pro Sprints | |
| Knoxville Raceway | Knoxville, IA | Winged 360 Sprint Cars | |
| Knoxville Raceway | Knoxville, IA | Winged 410 Sprint Cars | |
| Kokomo Speedway | Kokomo, IN | USAC Midwest Regional Midget Car Series | |
| Kokomo Speedway | Kokomo, IN | USAC National Sprint Car Series | Makeup from 08/26 |
| Kokomo Speedway | Kokomo, IN | USAC National Sprint Car Series | Kokomo Sprint Car Smack Down |
| Lake Ozark Speedway | Eldon, MO | Winged 305 Sprint Cars | |
| Land of Legends Raceway | Canandaigua, NY | Patriot Sprint Tour | |
| Land of Legends Raceway | Canandaigua, NY | Winged 305 Sprint Cars | |
| Lawton Speedway | Lawton, OK | Non-Wing Champ Sprints | Season Championship |
| Lawton Speedway | Lawton, OK | Winged 305 Sprint Cars | Season Championship |
| Lincoln Park Speedway | Putnamville, IN | Non-Wing 410 Sprint Cars | |
| Lincoln Speedway | Abbottstown, PA | All Star Circuit of Champions | Kramer Klash |
| Macon Speedway | Macon, IL | USAC Speed2 IMRA Midget Car Series | |
| Marysville Raceway | Marysville, CA | Winged 360 Sprint Cars | |
| Marysville Raceway | Marysville, CA | Winged Crate Sprint Cars | |
| Michael’s Mercer Raceway | Mercer, PA | Allegheny Sprint Tour | |
| Michael’s Mercer Raceway | Mercer, PA | Winged 410 Sprint Cars | |
| Mitchell Raceway | Fairbanks, AK | Winged 360 Sprint Cars | |
| Monarch Motor Speedway | Wichita Falls, TX | Sooner Sprint Series | |
| New Egypt Speedway | New Egypt, NJ | Mid-Atlantic Sprint Series | |
| Northline Speedway | Darwin, NT | Winged 410 Sprint Cars | Chariots of Thunder |
| Placerville Speedway | Placerville, CA | Winged 360 Sprint Cars | |
| Portsmouth Raceway Park | Portsmouth, OH | Ohio Valley Sprint Car Association | |
| Riverside International Speedway | West Memphis, AR | Mid-South 305 Sprint Car Association | |
| Route 66 Motor Speedway | Amarillo, TX | Winged 305 Sprint Cars | |
| Rumtown Speedway | Wentworth, NH | Midget Cars | |
| Rumtown Speedway | Wentworth, NH | Non-Wing Sprint Cars | |
| Salina Speedway | Salina, KS | USAC Wingless Sprints Oklahoma / USAC Midwest Wingless Racing Association | |
| Sandia Speedway | Albuquerque, NM | New Mexico Motor Racing Association | |
| Saratoga Speedway | Black Creek, BC | WILROC | |
| Selinsgrove Speedway | Selinsgrove, PA | Winged 410 Sprint Cars | |
| Sharon Speedway | Hartford, OH | RUSH Sprint Car Series | |
| Silver Bullet Speedway | Owendale, MI | Great Lakes Traditional Sprints | |
| Skagit Speedway | Alger, WA | Sportsman Sprints | |
| Skagit Speedway | Alger, WA | Winged 360 Sprint Cars | |
| Southern Oregon Speedway | Medford, OR | Winged Limited Sprints | |
| Southern Raceway | Milton, FL | POWRi Southeast Outlaw Midgets | |
| St. Francois County Raceway | Farmington, MO | Winged 410 Sprint Cars | |
| Stateline Speedway | Port Falls, ID | Inland Wingless Sprints | |
| Stockton Dirt Track | Stockton, CA | King of the West Springs presented by NARC | Fastest Four Days in Motorsports |
| Vado Speedway Park | Vado, NM | Winged 305 Sprint Cars | |
| Ventura Raceway | Ventura, CA | Sr. Sprints | |
| Ventura Raceway | Ventura, CA | Western Midget Racing | |
| Wayne County Speedway | Orrville, OH | Winged 410 Sprint Cars | |
| Wilmot Raceway | Wilmot, WI | Badger Midget Auto Racing Association | |
| Wilmot Raceway | Wilmot, WI | Wisconsin WingLESS Sprint Car Series |
Sunday, August 29, 2021
| BAPS Motor Speedway | York Haven, PA | All Star Circuit of Champions | Johnny Mackison Clash |
| BAPS Motor Speedway | York Haven, PA | PA Sprint Series | |
| Black Hills Speedway | Rapid City, SD | World of Outlaws | Rushmore Outlaw Showdown |
| Creek County Speedway | Sapulpa, OK | ASCS Sooner Region | |
| Huset’s Speedway | Brandon, SD | Northern Outlaw Sprint Association | |
| Huset’s Speedway | Brandon, SD | Winged 305 Sprint Cars | |
| Lorain Raceway Park | South Amherst, OH | Midwest Supermodified Series | |
| Mitchell Raceway | Fairbanks, AK | Winged 360 Sprint Cars | |
| Petaluma Speedway | Petaluma, CA | King of the West Springs presented by NARC | Fastest Four Days in Motorsports |
| the Dirt Oval at Route 66 | Joliet, IL | Interstate Racing Association / Midwest Open Wheel Association | Bill Waite Jr. Memorial |