Parasol was a bay filly bred by Augustus FitzRoy, 3rd Duke of Grafton, and foaled in 1800.

[1] Parasol made her first appearance on the track at Epsom Downs in the Oaks Stakes on 27 May, when she started as the 2/1 favourite.

[4] In October she was due to face three horses in a 100 guineas Sweepstakes at Newmarket, but all three paid a forfeit and the race never took place.

[10] In early May at Newmarket she received another forfeit, this time from the horse Malta, before beating Enchanter in a match race over one mile.

[11] Parasol didn't run again until Newmarket's First October meeting, when, starting as the odds-on favourite, she beat three rivals to win One third of a Subscription of 25 guineas each.

[12] Two days later she beat Sir Harry Dimsdale and Walton to win the King's Plate, run over almost four miles.

[17] On 30 April at the Newmarket First Spring meeting she finished last of the three runners, behind winner Walton, in a £50 Subscription race over one mile.

[24] At the Second October meeting she beat Sir Harry Dimsdale to win a race for One-third Subscription of 25 guineas each over the Beacon course.

[28] She made her reappearance on 22 April at Newmarket, where she beat Margery and Gloriana to win the King's Plate for mares.

[29] In May she started as the odds-on favourite for the Jockey Club Plate at Newmarket, but could only finish third of the five runners.

[30] At Newmarket's July meeting she lost a match to Jerboa, before beating Sir Charles Bunbury's filly Lydia in a race worth £50 the next day.

[31] As in previous years Parasol didn't run again until the Newmarket First October meeting, where she started at 3/1 in a 50 guineas race over four miles.

[33] At the Second October meeting she beat Derby winner Cardinal Beaufort in a 200 guineas match race over the Beacon course.

[35] At the Houghton meeting Parasol lost a match against Slipper[36] and three days later she ran unplaced behind winner Pelisse in a Subscription Handicap Plate.

[42] At the First Spring meeting she lost a match to Bacchanal,[43] before beating Taurus over the Beacon course to win 100 guineas.