WIHS meaning in Sports ?

Answer: What is Washington International Horse Show mean?

The Washington International Horse Show (WIHS) is one of America's most elite horse shows, founded in 1958. The takes place every October in the Capital One Arena in downtown Washington, D.C. The event is highlighted by international level show jumping, top show hunters, and two equitation championships. The event is currently ranked as a CSI-4*-W International show jumping event, as well as a USEF Premier Hunter and USEF 6* Jumper show.

reference

Full Form	Category
West Iredell High School	Community
FM-104.9, Middletown, Connecticut	Community
West Islip High School	Community
West Intermediate High School	Community
Washington Intl Horse Show	General
Women In His Service	General
Women's Interagency HIV Study	Medical
Women's Interagency Health Study	Medical
Washington International Horse Show	Sports