In addition to the stables and large mansion, Glen Riddle Farm had a one-mile racing oval for training thoroughbred racehorses.
A fire in 1969 destroyed the mansion and the farm was soon abandoned, left in disrepair for more than thirty years until real estate developers acquired it and built a residential housing complex in 2004.
[2] In the mid-1920s, Samuel Riddle acquired Faraway Farm in Lexington, Kentucky where he would send his broodmares along with Man o' War, American Flag, and other stallions.
Glen Riddle Farm's horses won numerous important stakes races including the following prestigious U.S.
Triple Crown races: Part of the old appearance of the property (before development began) was a large field of primarily Purple Deadnettle's, with a few trees in the middle, housing a family graveyard.