Probably Epsom Downs, Surrey.
Various shots on Derby Day show huge crowds milling round the track. Horses are paraded before the race. They start off and we see several shots of the race. Horses cross the finishing line.
No mention of horses' names.
A review of important events from 1916 - 1937.
Nectar wins Pitmen's Derby horse race at Gosforth Park, Newcastle.
Complete print of a 1913 Pathe Gazette - suffragettes, the Derby, French Grand Prix, etc.
Compilation of motor racing footage - Italy, Monaco, Brooklands etc.
Events of 1920 - weddings, women's rights, industrial unrest and problems in Ireland