[2] Glass Doll was a small and unprepossessing filly: the writer "Vigilant" described her as "a pony in height" with "no bone, no substance [and] no muscle".

[5] On 7 of June Glass Doll made her first appearance as a three-year-old the 129th running of the Oaks over one and a half miles at Epsom Racecourse and started a 25/1 outsider in a fourteen-runner field.

[3] The 1000 Guineas winner Witch Elm started 2/1 favourite ahead of Mimosa (9/2), with Maya, Lady Hasty, Altitude and Laodamia among the other fancied runner.

Ridden by Herbert "Bert" Randall, Glass Doll was not among the early leaders as Lady Hasty set the pace before giving way to Laodamia in the straight.

[8] At Royal Ascot later in June Glass Doll was dropped back in distance for the Coronation Stakes over one mile but was beaten into third place by Frugality and Laomedia.

At Doncaster Racecourse in September Glass Doll was matched against colts in the St Leger but, despite attracting some support in the betting market, she made no impact and finished unplaced behind Wool Winder.