Removed, Operated from to ≥
| Inversions | 0 | 0 |
|---|
| There is mention of the State Fair of Texas having a "Racing Derby" in 1922. It is not clear if this is a new name for the Mammoth Racing Coaster, a new roller coaster or even a roundabout. |
| The Mammoth Racing Coaster was operated by Lynn Welcher. |