Bubble Rock broke her maiden in her second career start, taking a 5 1/2-furlong maiden special weight on grass at Saratoga on Sept. 3, 2021. She won by 3 1/4 lengths as the 3-5 favorite.
In her next start, Bubble Rock was the 3-2 favorite in the Grade 3 Matron Stakes at Belmont Park on Oct. 9. She won by half a length, for her first career stakes win.
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