| Opened | October 17, 1922 |
| Last Race Date | September 22, 2013 |
| Racing Type | Thoroughbred, Quarter Horse |
| Abbreviation | Fpx |
| Purse Value Index | 41 |
| Signature Race | Barrett's Juvenile |
| Announcer | Trevor Denman |
- 10/17/1922 Racing oval opens at LA county fairgrounds.
- 09/01/1933 First Southern Cal Pari-Mutual races are run at Pomona.
- 09/25/1948 28,300 are on hand to establish all time attendance record.
- 09/01/1986 Pomona is renamed to Fairplex.
- 00/00/1986 Harness racing debuts under the lights.
- 00/00/1987 Harness racing is discontinued after only one season.
- 09/27/1987 A record $4,112,091 is bet to set handle record.
- 09/22/2013 Miss Judged, gets final picture taken at Pomona.