The origin ground: the fairgrounds course and the oval inside the amusement park — South Bend's, both dated, and a Granger-side negative stated plainly

1880–1961 · Playland Park / Springbrook Park, South Bend (boundary)

The amusement-park oval: racing in this county began, as the pattern runs, on a fair-and-amusement ground — but the ground is South Bend's. Playland Park, bounded by the St. Joseph River, Ironwood Drive and Lincolnway East in South Bend, began in 1880 as a trolley park called Springbrook Park (one source spells it Springbook). By 1912 it had a casino, an exhibition hall and a roller coaster; in 1916 a race track was added; in 1924 manager Pete Redden renamed it Playland Park after a public contest. The grandstand also hosted horse racing and fireworks, the park hosted the 4-H Fair for many years, and Studebaker tested new cars on its track. Its one national-series race — carried as covered business in the banked leg and printed here only to date the oval — was the NASCAR Grand National race of 20 July 1952, won by Tim Flock with Lee Petty second and Herb Thomas on pole, before some 3,700 spectators. The park closed in 1961 and became a lighted par-3 golf course. A conflict in the record prints whole: the Motor Sport Magazine circuit database describes the same site as a half-mile dirt oval, the Frontier Park Speedway, operating 1919 to 1942, paved in 1954 and closed in 1977 — dates that cannot be reconciled with the park history above (a park that closed in 1961 cannot have paved its oval in 1954 and closed it in 1977 on the same telling), and neither telling is silently preferred here; the settling source is the South Bend Tribune's contemporary run and the History Museum's Playland file.

The fairgrounds course: the county fairgrounds itself — the St. Joseph County Fairgrounds at 5117 South Ironwood Drive, South Bend — sits in South Bend, as the banked Farms material already assigns it, and the record reached shows its grandstand life as fairs, demolition derbies and tractor pulls, not a dated fairground racing course of its own; the county's fair-era racing ran on the Playland/Springbrook track, which was itself part of the Springbrook Park complex of the St. Joseph County Fair and Amusement Company. Granger's share of the origin ground is zero; the origin ground is South Bend's entire.

Sources:

1. Playland Park (Indiana), park history record — Springbrook origin 1880, track added 1916, renaming 1924, NASCAR race 20 July 1952, closure 1961; StatsCrew venue record for Springbrook Park (St. Joseph County Fair and Amusement Company complex, race track on site); Clio entry for Playland Park (Springbrook Park); Motor Sport Magazine circuit database, Playland Park — the conflicting 1919–1942 / paved 1954 / closed 1977 telling, printed whole above.
2. St. Joseph County Fairgrounds, 5117 South Ironwood Drive, South Bend — venue record as searched November 2026; banked Sports frame and tested-negatives articles (the Granger-side negative).