Trial_races_for_the_Epsom_Oaks
Trial races for the Epsom Oaks are horse races during April and May which are contested by three-year-old fillies likely to run in The Oaks in early June.
The leading trial of recent years has been the 1,000 Guineas Stakes, which has been contested by eight subsequent winners of the Oaks in the last twenty-five years. The following table shows races classed at Listed level or above which served as a trial for an Oaks winner during the period 1992 to 2023.
| Race | Oaks winners from race 1992–2018 (won unless stated) |
| Leopardstown 1,000 Guineas Trial | Imagine (2nd) |
| Prix Finlande | Intrepidity |
| Fred Darling Stakes | Sariska (4th) |
| 1,000 Guineas Stakes | Balanchine (2nd), Moonshell (3rd), Reams of Verse (6th), Shahtoush (2nd) Kazzia, Casual Look (6th), Qualify (last), Minding, Love |
| Pretty Polly Stakes | Ouija Board, Talent, Taghrooda |
| Athasi Stakes | Imagine (3rd) |
| Cheshire Oaks | Light Shift, Enable, Forever Together (2nd) |
| Lingfield Oaks Trial | User Friendly, Lady Carla, Ramruma, Look Here (2nd). Anapurna |
| Musidora Stakes | Reams of Verse, Alexandrova (2nd), Sariska, Snowfall, Soul Sister |
| Fillies' Trial Stakes | Eswarah, Dancing Rain (2nd) |
| Height of Fashion Stakes [a] | Love Divine, Snow Fairy |
| Prix Saint-Alary | Intrepidity |
| Irish 1,000 Guineas | Shahtoush (10th), Imagine, Qualify (10th), Minding (2nd), Tuesday (2nd) |
a The Height of Fashion Stakes was known as the Lupe Stakes before 2007.