Delve into the excitement surrounding the upcoming horse racing events at Del Mar, featuring the distinguished Grade I Debutante and Grade II Mabee races. As you craft your news report, be sure to highlight the top contenders, their impressive records, and the anticipated atmosphere on this thrilling final Saturday of the season. Your readers will appreciate an insider’s glimpse into the glamour and potential drama of the races, so paint a vivid picture of the day’s events!