1 · The sizes that exist
Four ovals
North American harness is not a single geometry. The same horse, the same driver, and a similar final time can mean three different races depending on how sharp the turns are and how much stretch is left when someone finally gets out. If you only watch Meadowlands replays, a Yonkers overnight will look slower, luckier, and more chaotic than it is.
Half-mile
Tight turns and a short stretch.
MGM Yonkers Raceway · Northfield Park · Harrington Raceway · Ocean Downs · Shenandoah Downs · Saratoga Harness · Batavia Downs · Buffalo Raceway · Monticello Raceway · Goshen Historic Track · Northville Downs · Hollywood Casino Raceway Bangor · First Tracks Cumberland
5/8-mile
More room than a half-mile, shorter than a mile.
Tioga Downs · Hollywood Casino at The Meadows · Mohegan Sun Pocono · Eldorado Scioto Downs · Hollywood Gaming Dayton Raceway · Oak Grove Racing · Cumberland Run · Bally's Dover · Rosecroft Raceway · Miami Valley Raceway · Plainridge Park · Harrah's Philadelphia · Running Aces
7/8-mile
Longer stretch than a half or 5/8.
Vernon Downs · Woodbine Mohawk Park · Harrah's Hoosier Park
Mile
The speed standard.
The Meadowlands · The Red Mile
Delaware County Fairgrounds — home of the Little Brown Jug — is the championship half-mile that is not on the year-round list. Heat racing on a packed fairgrounds oval is its own exam. Do not grade it like a Saturday overnight at the Big M.