| ABBR | TRACK | SIZE |
|---|---|---|
| Aces | Running Aces Harness Park MN | f |
| AD | Alberta Downs, ALTA | 1 |
| Adrn | Adrian, MI | |
| Aftn | Afton, NY | |
| Agawm | Agawam, MA | |
| Ahsk | Ahoskie, NC | |
| Albn | Albion, IL | |
| Aldo | Aledo, IL | |
| Allgn | Allegan, MI | |
| Alp | Alpena, MI | |
| Alsn | Allison, IA | |
| Altmt | Altamont, IL | |
| Amst | Amherst, WI | |
| Amt | Amulet Farm, PA | |
| Anca | Ancaster, ONT | |
| And | Anderson, IN | |
| Angel | Angelica, NY | |
| Anna | Anna, IL | |
| Arnp | Arnprior, ONT | |
| AsD | Assiniboia Downs, MAN | T |
| Ashl | Ashland, OH | |
| Athns | Athens, OH | |
| Atl | Atlanta, GA | |
| Atmt | Altamont, NY | |
| Attc | Attica, OH | |
| Aud | Audubon Downs, KY | |
| Aust | Austin, MN | |
| Avmr | Avonmore, ONT | |
| AxBy | Alexandria Bay, NY | f |
| AyrCl | Ayers Cliff, QUE | |
| BalSp | Ballston Spa, NY | |
| Bang | Bangor Raceway, ME | |
| Bar | Barrie Raceway, ONT | |
| Barn | Barnum, MN | |
| Bath | Bath, NY | |
| BB | Blue Bonnets, QUE | f |
| BdAx | Bad Axe, MI | |
| Bdfd | Bedford, PA | |
| Bdr | Bedrock, ALTA | |
| Bdstn | Bardstown, KY | |
| Beams | Beamsville, ONT | |
| Bedf | Bedford, QUE | |
| Bef | Bedford, IA | |
| Bent | Benton, KY | |
| Ber | Berea, OH | |
| Besj | Beausejour, MAN | |
| Bftn | Bellefontaine, OH | |
| BgD | Players’ Bluegrass Downs, KY | f |
| BgRpd | Big Rapids, MI | |
| BgZ | Big Z Farms, NJ | |
| Bklyn | Brooklyn, CT | |
| BlHl | Blue Hill, ME | |
| Blmf | Bloomfield, IA | |
| Blom | Bloomsburg, PA | |
| Blue | Blue Earth, MN | |
| Blvl | Quinte Raceway, ONT | |
| BmlPf | Balmoral Park, IL | f |
| BmlP | Balmoral Park, IL | 1 |
| Bnbk | Binbrook, ONT | |
| Bnvl | Boonville, NY | |
| Bona | Bonaventure, QUE | |
| Bott | Bottineau, ND | |
| BR | Buffalo Raceway, NY | |
| Brd | Brandywine Raceway, DE | f |
| Brk | Brooklin, ONT | |
| Brkvi | Brockville, ONT | |
| Brom | Brome, QUE | |
| Brtn | Barton, VT | |
| Bthwl | Bothwell, ONT | |
| Btva | Batavia Downs, NY | |
| Bucy | Bucyrus, OH | |
| Burf | Burford, ONT | |
| Burt | Burton, OH | |
| Butlr | Butler, PA | |
| BvDm | Beaver Dam, WI | |
| Bvdr | Belvidere, IL | |
| BwlG | Bowling Green, OH | |
| ByCy | Bay City, MI | |
| Byd | Buckyland Stables, PA | |
| Cald | Caldwell, OH | |
| CalX | Cal-Expo Raceway, CA | 1 |
| Camb | Cambridge, IL | |
| Canon | Cannon Falls, MN | |
| Cantn | Canton, OH | |
| Carlt | Carrollton, IL | |
| Carmi | Carmi, IL | |
| Caro | Caro, MI | |
| Carr | Carrollton, OH | |
| Cass | Cassopolis, MI | |
| CaTwp | Vorum’s Stables, PA | |
| Cbls | Cobleskill, NY | |
| CbsJn | Columbus Junction, IA | |
| Cby | Canterbury Downs, MN | 1 |
| Cdiz | Cadiz, OH | |
| Cdlc | Cadillac, MI | |
| Cdna | Caledonia, NY | |
| CdRp | Cedar Rapids, IA | |
| Cel | Celina, OH | |
| CHF | Capital Hill Farms, NJ | f |
| Char | Charleston, IL | |
| Chey | Cheboygan, MI | |
| Chhs | Chehalis, WA | |
| Chil | Chillicothe, OH | |
| Chino | Chino, CA | |
| Chlt | Charlotte, MI | |
| ChP | New Brunswick Downs, NB | f |
| Chrtn | Charlottetown, PEI | |
| Circ | Circleville, OH | |
| Clark | Clarksburg, NJ | |
| Cldn | Caledon, ONT | |
| Clear | Clearfield, PA | |
| Clgy | Stampede Park, ALTA | f |
| Clna | Caledonia, ONT | |
| Clntn | Clinton Raceway, ONT | |
| Clov | Cloverdale Raceway, BC | |
| Cmdn | Camden, MS | |
| Cmros | Camrose, ALTA | |
| CnD | Century Downs, AB | e |
| Cnfld | Canfield, OH | |
| Cnl | Colonial Downs, VA | z |
| CnrCy | Central City, IA | |
| Cnsv | Connersville, IN | |
| Cntck | Contoocook, NH | |
| Cntrv | Centreville, MI | |
| Cnvr | Converse, IN | |
| Cols | Ohio State Fair, OH | |
| Conn | Connaught Park, QUE | |
| Cort | Cortland, OH | |
| Cosh | Coshocton, OH | |
| Crab | Crabwell, QUE | |
| Crav | Craven, SASK | |
| Crb | Carberry, MAN | |
| Crlvl | Carlinville, IL | |
| Crm | Carman, MAN | |
| Crot | Croton, OH | |
| Crswl | Croswell, MI | |
| Crydn | Corydon, IN | |
| Csty | Castletiny Farm, FL | |
| Ctm | Chatham, NY | |
| Cum | Cumberland, ME | |
| Cvll | Centreville, ONT | |
| Cwtn | Cowtown, NJ | |
| Darl | Darlington, WI | |
| Daup | Dauphine, MAN | |
| Dayt | Dayton, OH | |
| Dctr | Decatur, IL | |
| DD | Dover Downs, DE | f |
| Dela | Delaware, OH | |
| DelM | Del Mar, CA | 1 |
| Deper | Depere, WI | |
| Det | Wolverine Raceway, MI | 1 |
| DLrn | DeLoraine, MAN | |
| DLSgn | DeLeon Springs, FL | |
| DLSp | DeLeon Springs, FL | 1 |
| DMV | Delmarva Downs, Berlin, MD | |
| Dndlk | Dundalk, ONT | |
| Dnkrk | Dunkirk, NY | |
| Dnlsn | Donnellson, IA | |
| Dnsn | Denison, IA | |
| Dorch | Dorchester, ONT | |
| Dover | Dover, OH | |
| Dres | Dresden Raceway, ONT | |
| DsMns | Des Moines, IA | |
| DTN | Dayton, OH | |
| Dund | Dundee, NY | |
| DuQ | DuQuoin, IL | |
| Dytn | Dayton, PA | |
| EA | Egyptian Acres, NJ | |
| EAng | East Angus, QUE | |
| Eaton | Eaton, OH | |
| Edm | Northlands Park, ALTA | f |
| ELF | East Lynne Farms, NJ | |
| Eldon | Eldon, IA | |
| Elkrn | Elkhorn, WI | |
| Elmra | Elmira, NY | |
| Emira | Elmira Raceway, ONT | |
| Emo | Emo, ONT | |
| Enoch | Enoch, ALTA | |
| EPR | Exhibition Park, NB | |
| EsxJn | Essex Junction, VT | |
| Fairb | Fairbault, MN | |
| Fair | Fairbury, IL | |
| Frgo | Fargo, ND | |
| Farm | Farmington, ME | |
| Fat | Fatima, QUE | |
| Faye | Fayetteville, TN | |
| Fda | Fonda, NY | |
| FeD | Dovington Training Center, MD | f |
| Fhld | Freehold Raceway, NJ | |
| Find | Findlay, OH | |
| FlmD | Flamboro Downs, ONT | |
| Fox | Foxboro Raceway, MA | f |
| FP | Fairmount Park, IL | 1 |
| FrD | Fraser Downs, BC | f |
| Frdtn | Fredericton, NB | |
| Fred | Frederick, MD | |
| Frept | Freeport, IL | |
| Frfld | Fairfield, IL | |
| Frgo | Fargo, ND | q |
| FrmCy | Farmer City, IL | |
| Frnft | Frankfort, IN | |
| Frept | Freeport, IL | |
| Frst | Forest, ONT | |
| Frybg | Fryeburg, ME | |
| FsR | Freestate Raceway, MD | f |
| Fwvl | Fowlerville, MI | |
| GCTC | Gil Crest Training Center, FL | f |
| GeoD | Georgian Downs, ON | f |
| Glbr | Glenboro, MAN | |
| Gldwn | Gladwin, MI | |
| Godr | Goderich Raceway, ONT | |
| Gosh | Historic Track, NY | |
| Gouv | Gouverneur, NY | |
| Grebr | Greenbrier Farms, CA | |
| Green | Greenville, OH | |
| Grig | Griggsville, IL | |
| Grnfd | Greenfield, MA | |
| GrnPr | Grand Prairie, ALTA | |
| Grnup | Greenup, IL | |
| Grnvl | Greenville, IL | |
| Grot | Groton, MA | |
| GrR | Greenwood Raceway, ONT | f |
| GRvr | Grand River Raceway, ONT | |
| Grtz | Gratz, PA | |
| Gshn | Goshen, IN | |
| GSP | Garden State Park, NJ | 1 |
| GthC | Gutherie Center, IA | |
| Gtwy | Gaitway Farms, NJ | 1 |
| Gty | Gaitway Farms, NJ | 1 |
| Gwy | Gaitway Farms, NJ | 1 |
| Gyld | Gaylord, MI | |
| Had | Hadley, MA | |
| Hale | Hale, MI | |
| Ham | Hamilton, ND | |
| Har | Harrington Raceway, DE | |
| Hart | Hart, MI | |
| Haw | Hawthorne Park, IL | 1 |
| HAy | Hippodrome Gatineau, QUE | |
| Hdwk | Hardwick Farms, NJ | |
| Hend | Western Kentucky Raceway, KY | |
| HhTC | Hollyhurst Training Center, PA | |
| Hick | Hicksville, OH | |
| Hill | Hilliard, OH | |
| Hin | Hinsdale Raceway, NH | |
| Hksv | Hawkinsville, GA | 1 |
| Hldn | Holdens Raceway, MS | |
| Hlnd | Holland, MI | |
| Hlsdl | Hillsdale, MI | |
| HM | Hippodrome du Montreal, QUE | |
| Hmlok | Hemlock, NY | |
| Hmt | Hemet, CA | |
| Hndn | Huntingdon, PA | |
| Hnry | Henry, IL | |
| Hnvr | Hanover Raceway, ONT | |
| Hol | Hollywood Park, CA | 1 |
| Holln | Holland, MAN | |
| Hone | Honesdale, PA | |
| HoP | Hoosier Park, Anderson, IN | s |
| Hopk | Hopkinsville, KY | |
| HP | Hazel Park, MI | f |
| HR | Hamilton, OH | |
| Hrsn | Harrison, MI | |
| Hstng | Hastings, MI | |
| Hugh | Hughesville, PA | |
| Humb | Humboldt, IA | |
| Hutch | Hutchinson, MN | |
| Imad | Havre aux Maisons, QUE | |
| Imlay | Imlay City, MI | |
| Ind | Indiana State Fair, IN | 1 |
| Indna | Indiana, PA | |
| Indpn | Independence, IA | |
| Invrn | Inverness, NS | |
| Ionia | Ionia, MI | |
| Ipls | Indianapolis, IN | |
| Iron | Ironwood, MI | |
| Ithca | Ithaca, MI | |
| Jack | Jackson Raceway, MI | |
| Jcksn | Jackson, MS | |
| Jeff | Jefferson, OH | |
| Jksvl | Jacksonville, IL | |
| Jrsv | Jerseyville, IL | |
| KD | Kawartha Downs, ONT | f |
| Kendl | Kendallville, IN | |
| Kent | Kentland, IN | |
| Keos | Keosauqua, IA | |
| Khka | Kahokia, MO | |
| KHP | Kentucky Horse Park, KY | |
| Klmzo | Kalamazoo, MI | |
| Klrny | Killarney, MAN | |
| Knox | Knoxville, IL | |
| Knrs | Kinross, MI | |
| Knton | Kenton, OH | |
| KPR | Kingston Park Raceway, ONT | f |
| LA | Los Alamitos, CA | f |
| LaCht | LaChute, QUE | |
| Lanc | Lancaster, OH | |
| LaPoc | La Pocatiere, QUE | |
| Laprt | Laporte, IN | |
| Lat | Latonia Raceway, KY | 1 |
| LB | Liberty Bell Park, PA | f |
| Lbn | Lebanon, KY | |
| Lcnt | Lacenter, KY | |
| Leam | Leamington Raceway, ONT | |
| Lehgh | Lehighton, PA | |
| Leth | Lethbridge, ALTA | |
| Lever | Leverett, MA | |
| Lewbg | Lewisburg, WV | |
| Lew | Lewiston Raceway, ME | |
| Lex | The Red Mile, KY | 1 |
| Lima | Lima, OH | |
| Linc | Lincoln, IL | |
| LkOds | Lake Odessa, MI | |
| Lncln | Lincoln, MI | |
| Lndn | London, OH | |
| Lnsdw | Lansdowne, ONT | |
| Logan | Logan, OH | |
| Lomb | Lombardy, ONT | |
| Lon | Western Fair Raceway, ONT | |
| LouD | Louisville Downs, KY | |
| Low | Lowville, NY | |
| Lrn | Laura Lan Farm, NJ | |
| Lsbn | Lisbon, OH | |
| LSM | Lake Shore Meadows, PA | |
| LtlVy | Little Valley, NY | |
| Lud | Ludington, MI | |
| Lux | Luxemburg, WI | |
| LvD | Lakeview Downs, NFL | |
| Lwstn | Lewistown, IL | |
| Lyd | Lloydminster, SASK | |
| Lydvl | Lyndonville, VT | |
| M | The Meadowlands, NJ | 1 |
| Malon | Malone, NY | |
| Manit | Manitowaning, ONT | |
| Maq | Maquoketa, IA | |
| Mar | Marion, IL | |
| Mari | Marietta, OH | |
| Marsh | Marshall, IL | |
| Mart | Martinsville, IL | |
| Mary | Marysville, OH | |
| Mason | Mason, MI | |
| Mass | Massena, NY | |
| May | Maywood Park, IL | |
| Mayfd | Mayfield, KY | |
| McCnl | McConnelsville, OH | |
| McCr | McCreary, MAN | |
| Mdlnd | Midland, MI | |
| Mea | The Meadows, PA | f |
| Meadv | Meadville, PA | |
| Med | Medina, OH | |
| Melb | Melbourne, ONT | |
| Melv | Melville, SASK | |
| Memp | Memphis, MO | |
| Mend | Mendota, IL | |
| Miami | Miami, MAN | |
| Milt | Milton, ONT | |
| Minn | Minnedosa, MAN | |
| Mkg | Muskegon, MI | |
| Mnch | Manchester, VT | |
| MnlPt | Mineral Point, WI | |
| Mnsf | Mansfield, OH | |
| Mntcl | Monticello, IA | |
| Mntpl | Mt. Pleasant, MI | |
| Mntwc | Manitowoc, WI | |
| Moh | Mohawk Racetrack, ONT | s |
| Montp | Montpelier, IN | |
| Mor | Morris, NY | |
| Mphs | Memphis, TN | 1 |
| MqD | Marquis Downs, SASK | f |
| MR | Monticello Raceway, NY | |
| MRc | Muskegon Racecourse, MI | f |
| Mrion | Marion, OH | |
| Mris | Morris, MAN | |
| Mrisn | Morrison, IL | |
| Mrkh | Markham, ONT | |
| Mrlb | Marlborough, MA | |
| Mrn | Marion, MI | |
| Mroe | Monroe, WI | |
| Mrsfd | Marshfield, MA | |
| Mrshl | Marshall, MI | |
| Mrtvl | Martinville, ONT | |
| Msfld | Marshfield, WI | |
| MsJw | Moose Jaw, SASK | f |
| MSU | Mississippi St. U., MS | |
| MtGil | Mount Gilead, OH | |
| MtJP | Mt. Joli Price, QUE | |
| Mtplr | Montpelier, OH | |
| MtStr | Mount Sterling, IL | |
| MtVer | Mount Vernon, OH | |
| Mun | Muncie, IN | |
| MVR | Miami Valley Raceway, OH | f |
| Napa | Napanee, ONT | |
| Nash | Nashua, IA | |
| NBD | New Brunswick Downs, NB | f |
| NcR | Northcoast Raceway, MI | |
| Neil | Neillsville, WI | |
| NewH | New Hamburg, ON | |
| Nfld | Northfield Park, OH | |
| Nhtn | Northhampton, MA | |
| Nor | Northville Downs, MI | |
| Nouvl | Nouvelle, QUE | |
| NP | Northlands Park, ALTA | f |
| Npln | Napoleon, OH | |
| Nrwd | Norwood, ONT | |
| NtSD | North Side Downs, NS | |
| Nway | Norway, MI | |
| Nwch | Norwich, NY | |
| Nwlk | Norwalk, OH | |
| Nwng | Newington, ONT | |
| Nwton | Newton, IL | |
| OAKGR | Oak Grove, KY | f |
| Oak | Oakridge Racecourse, VA | 1 |
| Ocla | Golden Cross Farm, FL | f |
| OD | Ocean Downs, MD | |
| OHbr | Oak Harbor, OH | |
| Ohs | Ohsweken, ONT | |
| Onkma | Onekama, MI | |
| Oreg | Oregon, IL | |
| Orill | Orillia, ONT | |
| Orl | Orlando, FL | 1 |
| Orlnd | Orlando, FL | |
| Ormst | Ormstown, ONT | |
| Ornvl | Orangeville Raceway, ONT | |
| Orono | Orono, ONT | |
| Oskls | Oskaloosa, IA | |
| Ott | Ottawa, OH | |
| Ovdo | Oviedo, FL | |
| OWash | Old Washington, OH | |
| Owat | Owatonna, MN | |
| Owego | Owego, NY | |
| Owen | Owensville, OH | |
| Oxfd | Oxford, ME | |
| Pabos | Pabos, QUE | |
| Pad | Paducah, KY | |
| Pain | Painesville, OH | |
| Pana | Pana, IL | |
| Par | Paris, ONT | |
| Paris | Paris, IL | |
| Park | Parkhill, ONT | |
| Pauld | Paulding, OH | |
| PcD | Pocono Downs, PA | f |
| Peca | Pecatonica, IL | |
| PER | Pt. Elgin Raceway, NB | |
| Perth | Perth, ONT | |
| Pet | Petosky, MI | |
| Phila | Philadelphia, MS | |
| Phl | Harrah’s Philadelpha, PA | f |
| Pike | Piketon, OH | |
| Pilot | Pilot Mound, MAN | |
| Pine | Pinehurst, NC | 1 |
| Pink | Pinckneyville, IL | |
| Pisc | Piscataway, NJ | |
| PkCy | Pocomoke City, MD | |
| Plmya | Palmyra, NY | |
| PlnCy | Plain City, OH | |
| Plnvl | Plainville, MA | |
| Pltbg | Plattsburg, NY | |
| Ply | Plymouth, NH | |
| Pom | Fairplex Park, CA | |
| Port | Portage LaPrairie, MAN | |
| PPk | Pompano Park, FL | f |
| Ppvl | Papineauille, QUE | |
| PRc | Plainridge Racecourse, MA | f |
| Pres | Presque Isle, ME | |
| PrM | Prairie Meadows, IA | 1 |
| Prnc | Princeton, IL | |
| Prntn | Princeton, IN | |
| Proc | Proctorville, OH | |
| PrRoy | Port Royal, PA | |
| PrtPy | Port Perry, ONT | |
| Ptlnd | Portland, IN | |
| Ptsbg | Petersburg, IL | |
| PV | Pre Vert Raceway (Hipp. Sorella), QUE | |
| Qby | Queensbury Downs, SASK | |
| QCD | Quad City Downs, IL | f |
| Que | Sulky Quebec, QUE | |
| Quyon | Quyon, QUE | |
| Ral | Raleigh, NC | |
| Rchln | Richland Center, WI | |
| Rchst | Rochester, NH | |
| Rchwd | Richwood, OH | |
| Rcmnd | Richmond, QUE | |
| RcR | Rosecroft Raceway, MD | |
| RdDr | Red Deer, ALTA | f |
| Rdvl | Readville, MA | 1 |
| Reg | Queensbury Downs, SASK | |
| Rhin | Rhinebeck, NY | |
| Rich | Richelieu Park, QUE | |
| RicLk | Rice Lake, WI | |
| RidC | Rideau Carleton, ONT | f |
| Ridg | Ridgetown, ONT | |
| RidL | Riviere du Loup, QUE | |
| Rksp | Rocksprings, OH | |
| ROC | Delmarva Downs, MD | |
| Roch | Rochester, MN | |
| Rock | Rockingham Park, NH | 1 |
| Rod | Rodney, ONT | |
| RP | Raceway Park, OH | f |
| RR | Roosevelt Raceway, NY | |
| RSD | Riverside Downs, KY | |
| Rshvl | Rushville, IL | |
| RTC | Ridge Training Center, NJ | |
| Russ | Russell, MAN | |
| Rutln | Rutland, VT | |
| SA | Santa Anita, CA | 1 |
| Sack | Sackville Downs, NS | |
| Sacr | Cal-Expo Raceway, CA | 1 |
| Sagy | Hippodrome Saguenay, QUE | |
| Salm | Salem, IL | |
| Sand | Sandown Park Raceway, BC | f |
| Sar | Hiawatha Horse Park, ONT | f |
| Sart | Sartigan, QUE | |
| SBLG | St. Basile le Grand, QUE | |
| Sbyvl | Shelbyville, IN | |
| Scar | Scarborough Downs, ME | |
| ScD | Scioto Downs, OH | f |
| SD | Suffolk Downs, MA | 1 |
| Sedal | Sedalia, MO | |
| Sed | Sedalia, MO | 1 |
| SFTC | South Florida Trotting Center, FL | 1 |
| SgHr | Saginaw Valley Downs, MI | |
| SgVy | Saginaw Valley Downs, MI | |
| SGR | Spring Garden Ranch, FL | 1 |
| Shedd | Shedden Center, ONT | |
| Shedd | Shedden, ONT | |
| Sherb | Sherbrooke, QUE | |
| Shpl | Showplace Farms, NJ | f |
| Sid | Sidney, OH | |
| Sim | Simcoe, ONT | |
| Skow | Skowhegan, ME | |
| Smeth | Smethport, PA | |
| Smld | Smithland, KY | |
| Smth | Smithfield, OH | |
| Smtvl | Smithville, ONT | |
| SndCr | Sandy Creek, NY | |
| Sndwh | Sandwich, IL | |
| SnJos | San Jose, CA | |
| Snsh | Sunshine Meadows, FL | f |
| SOTC | Southern Oaks Training Center, FL | 1 |
| SpCk | Sports Creek Raceway, MI | f |
| Spen | Spencerville, ON | |
| Spenc | Spencer, MA | |
| Spfld | Springfield, ME | |
| SPk | Sportsman’s Park, IL | s |
| Spncr | Spencer, IA | |
| Spr | Springfield, IL | 1 |
| Sprng | Springfield, OH | |
| Squt | Squatec, QUE | |
| Srl | Hipp. Sorella, QUE | |
| Srry | Surrey, BC | |
| SSV | St.-Syl Vere, QUE | |
| SsM | Sunshine Meadows, FL | 1 |
| StAM | Ste. Amie des Lacs, QUE | |
| StAP | Ste. Anne des Plaines, QUE | |
| StAug | St. Augustine, QUE | |
| StBx | Ste. Beatrix, QUE | |
| StEd | St. Edouard, QUE | |
| StGlm | St. Guillaume, QUE | |
| Stga | Saratoga Harness, NY | |
| StHgs | St. Hughes, QUE | |
| StHL | St. Henri de Levis, QUE | |
| SthMt | South Mountain, ONT | |
| STJ | St. Thomas de Joliette, QUE | |
| StJDl | St. Joseph Delepage, QUE | |
| StJhn | Lakeview Downs, St. John’s, NFL | |
| StJns | St. John’s Racing & Ent., St. John’s, NFL | |
| Stkn | Stockton, CA | |
| Stnd | Standish, MI | |
| Stock | Stockton, KS | |
| Ston | Stoneboro, PA | |
| StP | Stampede Park, ALTA | f |
| StPtr | Saint Peter, MN | |
| Strgs | Sturgis, KY | |
| Stroy | Strathroy, ONT | |
| Sturg | Sturgeon Bay, WI | |
| Sudby | Sudbury Downs, ONT | |
| Summ | Summerside, PEI | |
| Sund | Sunderland, ONT | |
| Sutt | Sutton, ONT | |
| Swan | Swan River, MAN | |
| SxC | Sioux Center, IA | |
| SxFl | Sioux Falls, SD | |
| Sycs | Syracuse Mile, NY | 1 |
| Sydny | Sydney, NS | |
| Tara | Tara, ONT | |
| Tayvl | Taylorville, IL | |
| Tees | Teeswater, ONT | |
| TeM | Terry, MS | |
| TgDn | Tioga Downs, NY | f |
| Tiff | Tiffin, OH | |
| Till | Tillsonburg, ONT | |
| TinFl | Tinton Falls, NJ | |
| Tops | Topsham, ME | |
| TRD | Twin Rivers Downs, NFL | |
| Troy | Troy, OH | |
| TRR | Thunder Ridge, KY | |
| TrRvs | SulkyTrois Rivieres, QUE | |
| TrSp | Trout Springs, ALTA | |
| Trum | Trumansburg, NY | |
| Truro | Truro Raceway, NS | |
| Trvs | Traverse City, MI | |
| Try | Troy, PA | |
| Tunbr | Tunbridge, VT | |
| Twnr | Towner, MD | |
| Union | Union, ME | |
| UpSan | Upper Sandusky, OH | |
| Urb | Urbana, IL | |
| Urbna | Urbana, OH | |
| Vass | Vassar, MI | |
| Vctvl | Victorville, CA | |
| VD | Vernon Downs, NY | s |
| Viro | Viroqua, WI | |
| VkM | Viking Meadows, IN | f |
| VnWrt | Van Wert, OH | |
| Vrdn | Virden, MAN | |
| Wake | Wakeeney, KS | |
| Wapak | Wapakoneta, OH | |
| Wapel | Wapello, IA | |
| War | Warren, IL | |
| Warrn | Warren, OH | |
| WasCH | Washington Court House, OH | |
| Wash | Washington, PA | |
| Wat | Waterford,WI | f |
| Water | Waterloo, IA | |
| Watt | Wattsburg, PA | |
| Wausa | Wausau, WI | |
| Waw | Wawanesa, MAN | |
| Wayn | Waynesburg, PA | |
| Wdb | Woodbine, ONT | s |
| Wdna | Wadena, MN | |
| Wdsfd | Woodsfield, OH | |
| Wdstk | Woodstock, VA | |
| Well | Welland, ONT | |
| West | Westport, NY | |
| Wey | Weyauwega, WI | |
| What | What Cheer, IA | |
| Whtn | Wheaton, MN | |
| Whtny | Whitney Point, NY | |
| Wilm | Wilmington, OH | |
| Wind | Windsor, ME | |
| Wint | Winterburn, ALTA | |
| Wlctn | Wallacetown, ONT | |
| Wlngt | Wellington, OH | |
| Wlstn | Wellstown, OH | |
| Wodst | Woodstock, NB | |
| Wood | Woodstock, IL | |
| Wostr | Wooster, OH | |
| Wseon | Wauseon, OH | |
| Wtfd | Westfield, WI | |
| Wtma | Wautoma, WI | |
| Wtrl | Waterloo, NY | |
| Xenia | Xenia, OH | |
| York | York, PA | |
| YR | Yonkers Raceway, NY | |
| Yrktn | Yorkton, SASK | |
| Zane | Zanesville, OH | |
