Each year the Magnolia Cup features women from a range of business backgrounds, with little to no experience of horse racing. Pictured is the 2012 lineup at the Glorious Goodwood festival.
The charity race opens the festival's Ladies' Day, with the competitors racing in front of 40,000 spectators.
British model Edie Campbell receives the winner's trophy from film star Tom Cruise in 2014.
The Magnolia Cup competitors must embark on a grueling six-month training schedule to be ready for the race.
Hayley Turner, Britain's most successful female jockey, has been helping the women as a race ambassador.
The 10 riders in the 2015 race -- won by sports performance consultant Camilla Henderson -- show off their jockey silks, specially designed by top names such as Vivienne Westwood.
TalkTalk CEO Dido Harding (right) finished second in 2015 and has ridden in all but one staging of the Magnolia Cup. Harvey Nichols group marketing and creative director Shadi Halliwell (left) made her debut last year.