In 1896, the Devon Horse Show started as a one-day show. Now, 122 years later, it has become the oldest and largest outdoor multi-breed competition in the United States and it has achieved the highest rating afforded by the governing organization, US Equestrian.
- In 2012 Devon was selected to host one of two observation events used to select the United States Show Jumping team that competed at the 2012 London Olympics.
- It also received the 2012 United States Hunter Jumper Association Members Choice Award rewarding excellence at US Equestrian-licensed hunter/jumper competitions relating to the competition, the facility where it took place, footing, competition personnel and hospitality.
- Devon has been awarded one of the top 25 horse shows by the North American Riders Group, moving up to second place in 2012.
- In 2012, it received the Best of the Main Line and Western Suburbs Award for the BEST FAMILY EVENT.