Bally's Arapahoe Park is a horse-racing track in Arapahoe County, Colorado on the outskirts of Aurora, owned and operated by Bally's Corporation.

The racing season generally begins in mid-May and continues through the late spring into the summer, wrapping up in mid-August.

The track is home to the Mile High Futurity and the Mile High Derby, both quarter horse stakes races with final purses of over $100,000.

Arapahoe Park also hosts four graded stakes races, all for Arabian horses.

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