until the Breeders' Cup
| Date | Race | Division | Winner | Replay |
|---|---|---|---|---|
| Jan. 6 | Cartier Paddock StakesKenilworth | Filly and Mare Turf | Oh Susanna | |
| Jan. 6 | L'Ormarins Queen's PlateKenilworth | Mile | Legal Eagle | |
| Jan. 27 | 2018 Pegasus World Cup Invitational S.Gulfstream Park | Classic | Gun Runner |  |
| Date | Race | Division | Winner | Replay |
|---|---|---|---|---|
| Feb. 18 | February StakesTokyo Racecourse | Classic | Nonkono Yume |
| Date | Race | Division | Winner | Replay |
|---|---|---|---|---|
| Apr. 7 | The Star Doncaster MileRandwick | Mile | Happy Clapper | |
| Apr. 14 | Coolmore Legacy StakesRandwick | Filly and Mare Turf | Alizee |
| Date | Race | Division | Winner | Replay |
|---|---|---|---|---|
| May. 1 | Gran Premio CriadoresPalermo | Longines Distaff | Sinfonia Fantastica | |
| May. 21 | Gran Premio Club Hipico FalabellaClub Hípico de Santiago | Mile | Nuevo Maestro | |
| May. 25 | Gran Premio 25 de MayoSan Isidro | Longines Turf | La Extrana Dama | |
| May. 28 | 2018 Shoemaker Mile S.Santa Anita Park | Mile | Hunt (IRE) | |
| Date | Race | Division | Winner | Replay |
|---|---|---|---|---|
| Jun. 3 | Yasuda KinenTokyo Racecourse | Mile | Mozu Ascot | |
| Jun. 9 | 2018 Jaipur Invitational S.Belmont Park | Turf Sprint | Disco Partner | |
| Jun. 9 | 2018 Runhappy Metropolitan H.Belmont Park | Dirt Mile | Bee Jersey | |
| Jun. 9 | 2018 Ogden Phipps S.Belmont Park | Longines Distaff | Abel Tasman | |
| Jun. 10 | Grande Premio BrasilHipódromo da Gávea | Longines Turf | Quarteto De Cordas | |
| Jun. 16 | 2018 Fleur de Lis H.Churchill Downs | Longines Distaff | Blue Prize (ARG) | |
| Jun. 16 | 2018 Stephen Foster H.Churchill Downs | Classic | Pavel | |
| Jun. 19 | Queen Anne StakesRoyal Ascot | Longines Turf | Accidental Agent | |
| Jun. 20 | Prince of Wales's StakesRoyal Ascot | Longines Turf | Poet's Word | |
| Jun. 21 | Norfolk StakesRoyal Ascot | Juvenile Turf Sprint | Shang Shang Shang | |
| Jun. 23 | Diamond Jubilee StakesRoyal Ascot | Turf Sprint | Merchant Navy | |
| Jun. 24 | Gran Premio PamplonaHipódromo de Monterrico | Filly and Mare Turf | Smart Choice | |
| Jun. 24 | Takarazuka KinenHanshin Racecourse | Longines Turf | Mikki Rocket | |
| Jun. 30 | 2018 Princess Rooney S.Gulfstream Park | Filly and Mare Sprint | Stormy Embrace | |
| Jun. 30 | 2018 Highlander S.Woodbine | Turf Sprint | Long On Value | |
| Date | Race | Division | Winner | Replay |
|---|---|---|---|---|
| Jul. 7 | 2018 Belmont Sprint Championship S.Belmont Park | Sprint | Limousine Liberal | |
| Jul. 28 | 2018 Bing Crosby S.Del Mar | Sprint | Ransom the Moon | |
| Jul. 28 | King George VI & Queen Elizabeth Stakes sponsored by QIPCOAscot | Longines Turf | Poet's Word | |
| Jul. 29 | 2018 betfair.com Haskell Invitational S.Monmouth Park | Classic | Good Magic | |
| Jul. 29 | 2018 Clement L. Hirsch S.Del Mar | Longines Distaff | Unique Bella | |
| Date | Race | Division | Winner | Replay |
|---|---|---|---|---|
| Sep. 1 | 2018 Spinaway S.Saratoga Race Course | Juvenile Fillies | Sippican Harbor | |
| Sep. 15 | 2018 Pocahontas S.Churchill Downs | Juvenile Fillies | Serengeti Empress | |
| Sep. 15 | Coolmore Fastnet Rock Matron StakesLeopardstown | Filly and Mare Turf | Laurens | |
| Sep. 15 | 2018 Iroquois S.Churchill Downs | Sentient Jet Juvenile | Cairo Cat | |
| Sep. 15 | QIPCO Irish Champion StakesLeopardstown | Longines Turf | Roaring Lion | |
| Sep. 15 | KPMG Champions Juvenile StakesLeopardstown | Juvenile Turf | Madhmoon | |
| Sep. 15 | 2018 Ricoh Woodbine Mile S.Woodbine | Mile | Oscar Performance | |
| Sep. 16 | Derrinstown Stud Flying Five StakesCurragh | Turf Sprint | Havana Grey | |
| Sep. 16 | Moyglare Stud StakesCurragh | Juvenile Fillies Turf | Skitter Scatter | |
| Sep. 16 | 2018 Natalma S.Woodbine | Juvenile Fillies Turf | La Pelosa (IRE) | |
| Sep. 16 | 2018 Summer S.Woodbine | Juvenile Turf | Fog of War | |
| Sep. 28 | Shadwell Rockfel StakesNewmarket | Juvenile Fillies Turf | Just Wonderful | |
| Sep. 29 | 2018 Vosburgh S.Belmont Park | Sprint | Imperial Hint | |
| Sep. 29 | 2018 Joe Hirsch Turf Classic S.Belmont Park | Longines Turf | Channel Maker | |
| Sep. 29 | Juddmonte Royal Lodge StakesNewmarket | Juvenile Turf | Mohawk | |
| Sep. 29 | 2018 Awesome Again S.Santa Anita Park | Classic | Accelerate | |
| Sep. 29 | 2018 Rodeo Drive S.Santa Anita Park | Filly and Mare Turf | Vasilika | |
| Sep. 29 | 2018 Chandelier S.Santa Anita Park | Juvenile Fillies | Bellafina | |
| Sep. 29 | 2018 American Pharoah S.Santa Anita Park | Sentient Jet Juvenile | Game Winner | |
| Sep. 29 | 2018 Jockey Club Gold Cup S.Belmont Park | Classic | Discreet Lover | |
| Sep. 30 | 2018 Zenyatta S.Santa Anita Park | Longines Distaff | Vale Dori (ARG) | |
| Sep. 30 | Sprinters StakesNakayama | Turf Sprint | Fine Needle |
