Kings Mountain Speedway
Historic Speedways and Ghost Tracks
Tried searching some old newspapers from 1937 with key words such as Fayetteville, races, sprints, roadsters, etc. But came up with nothing.
From June 8, 1950 edition of The Robesonian
This article from March 30, 1950 edition of The Robesonian suggests the first STOCK car race at Legion Stadium may have been on April 2, 1950.