Charter Oak Park was an American harness racing track in Hartford, Connecticut that was open from 1874 to 1893, when an anti-gambling bill resulted in its closure.

Charter Oak Park was constructed by the Connecticut Stock Breeders' Association at a cost of around $100,000.

[3] Ebenzer Roberts, Burdett Loomis, and William H. Peck each served as track president during its early years.

[13] On June 16–17, 1905, the track hosted an automobile meet, which included AAA championship race won by Barney Oldfield.

[19] The 1911 fair saw President William Howard Taft attend some of the day's Grand Circuit races and deliver a speech.

[20] The following year presidential candidates Woodrow Wilson and Theodore Roosevelt and Governor Simeon E. Baldwin spoke at the fair.