 Starting the 1.8/1 favourite she kept on well in the straight but went down by a length to the front-running Glorious Forever.In January 2019 Deirdre finished runner-up to Lys Gracieux in the voting to determine the JRA Award for Best Older Filly or Mare at the JRA Awards for 2018.In the official Japanese rankings she was rated level with Aerolithe, one pound behind Lys Gracieux who was the top-rated older female horse.