United States (USTA)

 Balmoral Park

BML

 Batavia Downs

BTV

 Buffalo Raceway

BR

 Cal-Expo

CAL

 Dover Downs

DD

Fairmount Park

FP

 Foxboro Park

FOX

 Freehold Raceway

FHL

 Garden State Park

GSP

 Harrington Raceway

HAR

 Hawthorne Racecourse

HAW

 Hazel Park

HP

 Hoosier Park

HOP

 Jackson Raceway

JAC

 Lebanon Raceway

LEB

 Los Alamitos

LA

 Maywood

MAY

 Ladbroke at the Meadows

MEA

 The Meadowlands

M

 Monticello Raceway

MR

 Northfield Park

NFL

 Northville Downs

NOR

 Ocean Downs

OD

 Pocono Downs

PCD

 Pompono Park

PPK

 Raceway Park

RP

 The Red Mile

LEX

 Rosecroft Raceway

RCR

 Saratoga Harness

STG

 Scarborough Downs

SCA

Scioto Downs

SCD

 Sportman's Park

SPK

 Sports Creek Raceway

SPC

 Vernon Downs

VD

 Yonkers Raceway

YR

Canada (CTA)

Alymer

HAY

Barrie Raceway

BAR

Clinton Raceway

CLN

D'Alymer

HAY

Dresden Raceway

DRE

Elmira Raceway

EMI

Flamboro Raceway

FLM

Fraser Downs

FRD

Hanover Raceway

HNV

Hiawatha Horse Park

SAR

Kawartha Downs

KD

Mohawk Raceway

MOH

Montreal

HM

Northlands Park

EDM

Quebec

QUE

Queensbury Downs

QBY

Rideau Carleton

RID

Stampede Park

STP

Sudbury Downs

SUD

Trois Rivieres

TRR

Windsor Raceway

WRF

Woodbine Raceway

WDB

Woodstock Raceway

WDS

Western Fair Raceway

LON