XFINITY SERIES SCHEDULE: 2021 Regular Season
| No. | Race title | Track | Date | Start time | TV | Radio |
|---|---|---|---|---|---|---|
| 1 | NASCAR Xfinity Series Race at Daytona | DAYTONA INTERNATIONAL SPEEDWAY Daytona Beach, Florida - 120 laps / 300 miles | Feb. 13, 2021 | 7:30 p.m. | Fox/FS1 | MRN PRN |
| 2 | NASCAR Xfinity Series Race at Homestead-Miami | HOMESTEAD-MIAMI SPEEDWAY Homestead, Florida - 200 laps / 300 miles | Feb. 20, 2021 | 8:00 p.m. | Fox/FS1 | MRN PRN |
| 3 | NASCAR Xfinity Series Race at Auto Club | AUTO CLUB SPEEDWAY Fontana, California - 150 laps / 300 miles | Feb. 27, 2021 | 7:00 p.m. | Fox/FS1 | MRN PRN |
| 4 | NASCAR Xfinity Series Race at Las Vegas | LAS VEGAS MOTOR SPEEDWAY Las Vegas, Nevada - 200 laps / 300 miles | Mar. 6, 2021 | 8:00 p.m. | Fox/FS1 | MRN PRN |
| 5 | NASCAR Xfinity Series Race at Phoenix | PHOENIX RACEWAY Avondale, Arizona - 200 laps / 200 miles | Mar. 13, 2021 | 1:00 p.m. | Fox/FS1 | MRN PRN |
| 6 | NASCAR Xfinity Series Race at Atlanta | ATLANTA MOTOR SPEEDWAY Hampton, Georgia - 200 laps / 308 miles | Mar. 20, 2021 | 5:00 p.m. | Fox/FS1 | MRN PRN |
| 7 | NASCAR Xfinity Series Race at Martinsville | MARTINSVILLE SPEEDWAY Martinsville, Virginia - 300 laps / 159.5 miles | Apr. 9, 2021 | 5:00 p.m. | Fox/FS1 | MRN PRN |
| 8 | SafeLight 200 | Martinsville Speedway | May 10, 2021 | 7:30 p.m. | Fox/FS1 | MRN PRN |
| 9 | North Carolina Education Lottery 200 | Charlotte Motor Speedway, Concord | May 17, 2021 | 8:00 p.m. | Fox/FS1 | MRN PRN |
| 10 | Gander RV 250 | Lucas Oil Raceway | May 24, 2021 | 7:00 p.m. | Fox/FS1 | MRN PRN |
| 11 | Menards 200 | Irwindale Speedway | Jun. 5, 2021 | 7:00 p.m. | Fox/FS1 | MRN PRN |
| 12 | Pepsi 135 | Road America | Jun. 11, 2021 | 1:00 p.m. | Fox/FS1 | MRN PRN |
| 13 | Eldora Dirt Derby | Eldora Speedway | Jun. 16, 2021 | 7:30 p.m. | Fox/FS1 | MRN PRN |
| 14 | Pocono Organics 150 | Pocono Raceway | Jun. 26, 2021 | 12:30 p.m. | Fox/FS1 | MRN PRN |
| 15 | Tenda 225 | Chicagoland Speedway | Jul. 2, 2021 | 7:30 p.m. | Fox/FS1 | MRN PRN |
| 16 | New Hampshire 175 | New Hampshire Motor Speedway, Loudon | Jul. 17, 2021 | 2:00 p.m. | Fox/FS1 | MRN PRN |
| 17 | Florida 200 | Daytona Road Course | Jul. 23, 2021 | 1:30 p.m. | Fox/FS1 | MRN PRN |
| 18 | JEGS 200 | Dover International Speedway, Dover | Aug, 14, 2021 | 5:00 p.m. | Fox/FS1 | MRN |
| 19 | Southern California EDU 200 | Auto Club Speedway | Aug. 28, 2021 | 8:30 p.m. | Fox/FS1 | MRN |