USA International Speedway - Dirt
Seasons 21s1 to 26s1 (21 seasons) — generated March 16, 2026 12:22 UTC
80,211
Total Races
264,857
Unique Drivers
20
Series
Popularity Over Seasons
Series Usage
| # | Series | Races | Unique Drivers | Seasons | Scheduled |
|---|---|---|---|---|---|
| 1 | DIRTcar Street Stock Rookie by IMB Racewear | 37,791 | 132,130 | 20 | — |
| 2 | DIRTcar 305 Sprint Car Series by Fanatec | 10,002 | 40,642 | 19 | — |
| 3 | 13th Week Dirt Street Stock Challenge | 5,234 | 32,865 | 21 | ✓ |
| 4 | Dirt Mini Stock Rookie Series | 5,190 | 26,254 | 6 | — |
| 5 | DIRTcar Limited Late Model Series | 4,271 | 20,018 | 13 | — |
| 6 | DIRTcar Street Stock Series - Fixed | 2,886 | 9,040 | 1 | — |
| 7 | Dirt Legends Cup | 2,489 | 12,234 | 20 | — |
| 8 | DIRTcar 358 Modified Series | 2,043 | 9,853 | 6 | — |
| 9 | DIRTcar 360 Sprint Car Series | 1,820 | 10,893 | 12 | — |
| 10 | Pro 2 Lite Off-Road Rookie Series by Trak Racer | 1,363 | 4,866 | 2 | — |
| 11 | DIRTcar 358 Modified Series | 1,278 | 5,666 | 2 | — |
| 12 | DIRTcar Street Stock Series | 1,030 | 7,199 | 9 | — |
| 13 | SUPER DIRTcar Big Block Modified Series | 764 | 5,193 | 12 | — |
| 14 | DIRTcar 360 Sprint Car Series - Fixed | 451 | 3,387 | 5 | — |
| 15 | DIRTcar Pro Late Model Series | 447 | 2,888 | 4 | — |
| 16 | DIRTcar UMP Modified Series - Fixed | 430 | 3,139 | 5 | — |
| 17 | SUPER DIRTcar Big Block Modified Series - Fixed | 357 | 3,074 | 9 | — |
| 18 | World of Outlaws Sprint Car Series - Fixed | 293 | 2,128 | 6 | — |
| 19 | World of Outlaws Sprint Car Series | 276 | 1,714 | 6 | — |
| 20 | DIRTcar Pro Late Model Series - Fixed | 272 | 1,964 | 2 | — |