| Year of Birth | Horse | Country of Origin | Colour | Sex | Sire | Dam |
| 1998 | ABBEY ACE | GB | DK B | MALE | STONERIGGS J R | CARDIS RHIAN |
| 1998 | AMBRO FOXY | IRL | BAY | MALE | ARMBRO HARRIER (USA) | RED EMILIE |
| 1998 | ANGEL DUST | GB | BAY | FEMALE | CONTROL FACTOR (USA) | SUN VALLEY |
| 1998 | ANGHARAD'S GIRL | GB | BAY | FEMALE | STONERIGGS J R | SHAL SURPRISE |
| 1998 | ANOTHER MATTIE | USA | BAY | FEMALE | PRESIDENTAL BALL | MATTS LAST LAUGH (USA) |
| 1998 | ANOTHER RAINBOW | GB | BAY | MALE | TRUBA RAINBOW (USA) | GYPSY QUEEN |
| 1998 | ARMBRO FOXY | IRL | BAY | MALE | ARMBRO HARRIER (USA) | RED EMILIE |
| 1998 | AS GOOD AS GOLD | IRL | BAY | FEMALE | GOLD GLOVER | THUNDERING KNIGHT |
| 1998 | ATLANTIC | GB | BAY | FEMALE | PILGRIMS PATRIOT (USA) | LA BELLA |
| 1998 | AVANTI JEANET | GB | BAY | FEMALE | STAR PERFORMER | JEANET OLIVIER A |
| 1998 | AYR CLASSIC | GB | BLACK | FEMALE | EYE ON AMERICA (USA) | STONERIGGS HELERNE |
| 1998 | AYR DREAM | GB | BAY | FEMALE | EYE ON AMERICA (USA) | MISS BINGEN |
| 1998 | BALLYHILL DECISION | IRL | BAY | FEMALE | FLEET DECISION (USA) | CINDY KATE |
| 1998 | BALLYHILL HARRIER | IRL | BBAY | MALE | ARMBRO HARRIER (USA) | TSARINA LIGHTS |
| 1998 | BARRICHELLO | GB | BAY | MALE | TODAYS MAN (USA) | SPRING ARMBRO |
| 1998 | BEAT THE BOYS | GB | BBR | FEMALE | RAQUE BOGART (USA) | FLYNN |
| 1998 | BEECH LODGE LADY | IRL | BAY | FEMALE | GOLD GLOVER | BEECH LODGE |
| 1998 | BELL A WHITTINGTON | GB | BAY | FEMALE | MYSTIC PRIDE (SWE) | FAN DANCER |
| 1998 | BELLAMANDA [GONNAENODAETHAT] | GB | BAY | FEMALE | RAQUE BOGART (USA) | SWEET BEAUTY |
| 1998 | BESTMAN | GB | BAY | MALE | STONERIGGS J R | MARGARETS GOLD |
| 1998 | BLACK DIABLO | GER | BROWN | MALE | BOSPHORUS | KEYSTONE KIMBERLEY |
| 1998 | BLACK MEADOW | GB | DARK BAY | FEMALE | FLEET DECISION (USA) | RUSSIAN DREAM |
| 1998 | BLACKWELL FABIENNE | GB | BAY | FEMALE | RAQUE BOGART (USA) | BLACKWELL LOUISE |
| 1998 | BLUE DIAMOND | GB | BAY | FEMALE | DISRAELI HANOVER (USA) | IRON LASS |
| 1998 | BLUE FLAME | GB | BAY | FEMALE | DISRAELI HANOVER (USA) | FIERY LASS |
| 1998 | BLUE MINX | GB | ROAN | MALE | PRINCE LEE DANCER (USA) | CAT BALOU |
| 1998 | BON LILI | GB | BAY | FEMALE | MASTER SCOOT (USA) | BON CHERE |
| 1998 | BRAYTIME PRINCESS | GB | BAY | FEMALE | SPEED OF LIGHT (USA) | BRAYTIME LADY |
| 1998 | BRICKELL BIZZY LIZ | GB | DARK BAY | FEMALE | SURROGATE (CAN) | HOT PEPPER |
| 1998 | BRICKELL TILLY TROTT | GB | BAY | FEMALE | SURROGATE (CAN) | HOT PEPPER |
| 1998 | BRIGHTON ROCK | GB | SK | MALE | ROCKAFELLOW | WENSUM BRIGHT DREAM |
| 1998 | BRITA HBD | IMP | BAY | FEMALE | SUPER GILL (USA) | KNEE KNOCKER |
| 1998 | BRUCE LEE | GB | CHESTNUT | MALE | TODAYS MAN (USA) | RED GOVERNESS |
| 1998 | BRYNFAWR BETTY | GB | DARK BAY | FEMALE | STONERIGGS J R | SOCKS SURPRISE |
| 1998 | BRYWINS JODY | GB | BAY | FEMALE | MASTER SCOOT (USA) | JAMOCHA SIX |
| 1998 | BRYWINS MELODY | GB | BAY | FEMALE | MASTER SCOOT (USA) | SAUNDERS MELODY |
| 1998 | BUCKLAND BILLY | GB | BAY | MALE | MASTER SCOOT (USA) | MAGGIES GOLD |
| 1998 | BURSTAWAY | GB | BAY | FEMALE | BURST OF ENERGY (USA) | SAUNDERS SLIPAWAY |
| 1998 | BUSTLING BEAUTY | GB | BAY | FEMALE | EYE ON AMERICA (USA) | SAUNDERS BUSTLING |
| 1998 | BUTCHER'S PRIDE | GB | BLB | FEMALE | LECKWITH PRIDE | SAUNDERS JACQUIE |
| 1998 | CARDI BACH | GB | BLACK | MALE | DISRAELI HANOVER (USA) | SHORE FACTOR |
| 1998 | CASAMIA | IRL | BAY | FEMALE | TODAYS MAN (USA) | IMPALA |
| 1998 | CASPER HILL | GB | GR | MALE | SHERMAN ALMAHURST (USA) | ALMAHURST CHERIE (USA) |
| 1998 | CASSINI VENTURE | GB | BAY | FEMALE | MASTER SCOOT (USA) | UNIVERSAL MISS (NZ) |
| 1998 | CEIRON SHE'S AWAY | GB | DARK BAY | FEMALE | STONERIGGS J R | SHEEBA |
| 1998 | CHARMAGRES BEAUTY | GB | BAY | FEMALE | BURST OF ENERGY (USA) | CHARMAGRES WAY |
| 1998 | CHARMAINE HILL | GB | DARK BAY | FEMALE | ARMBRO HARRIER (USA) | SAUNDERS SOVEREIGN |
| 1998 | CHEQUE BOOK | GB | BAY | MALE | CARSON (SWE) | SHANDY WAY |
| 1998 | CHERRY DANCER | GB | ROAN | FEMALE | PRINCE LEE DANCER (USA) | JUST A CHERRY |
| 1998 | CHICOS MICHEALA | IRL | DK B | FEMALE | TAURUS HANOVER (USA) | JENNY LOBELL |
| 1998 | CHURCH LANE | GB | BAY | FEMALE | COOL TEDDY | TAMBOURINE |
| 1998 | CLAIRE H | GB | BAY | FEMALE | ROBIN RED | TAURUS LEE |
| 1998 | CLASS ACT | GB | BAY | MALE | BELMONDO (USA) | THUNDER SPEED |
| 1998 | CLEAR CONTROL | GB | BAY | FEMALE | CONTROL FACTOR (USA) | JUST AWAY |
| 1998 | CLEMISTIC | GB | DARK BAY | FEMALE | CLEMENTSY (USA) | APRIL MIST |
| 1998 | COALFORD CONNECTION | GB | DK B | FEMALE | MUSIC KING (USA) | CINCINATTI |
| 1998 | COALFORD DANCER | GB | BAY | FEMALE | SURFER HANOVER (USA) | OAKS ATHENA |
| 1998 | COALFORD FALCON | GB | D BAY | MALE | SURFER HANOVER (USA) | CEDAR LAAG JAM |
| 1998 | COALFORD ICON | GB | BAY | MALE | MUSIC KING (USA) | COALFORD TOWNER |
| 1998 | COALFORD REALITY | GB | BAY | FEMALE | MUSIC KING (USA) | OAKS SIROCCO |
| 1998 | COALFORD SPIRIT | GB | BAY | MALE | MUSIC KING (USA) | STYLE COUNCIL |
| 1998 | COMMANDER MAC | IRL | DARK BAY | MALE | YOUNG COMMANDER (USA) | ALMA MACK |
| 1998 | COMMANDER MATT | IRL | GREY | MALE | YOUNG COMMANDER (USA) | HILOS MATILDA |
| 1998 | CONNOR | GB | BAY | MALE | HOPPING HIGH (USA) | PERFECT ALIBI |
| 1998 | COOL LOBELL | GB | BAY | FEMALE | RAJAH LOBELL (USA) | COOL ECHO |
| 1998 | COULTHARD | GB | BAY | FEMALE | LECKWITH GIPSY | STARLITE GENES |
| 1998 | COUNTRY CHRISMA | GB | BLACK BROW | FEMALE | ARMBRO WARD (CAN) | COUNTRY ROSE |
| 1998 | COUNTRY MARAUDER | GB | DBR | MALE | DISRAELI HANOVER (USA) | COUNTRY GIRL |
| 1998 | CULT DIRECT | GB | BROWN | MALE | DIRECT CURRENT (USA) | CULT COUNTESS |
| 1998 | DAISYS BRIGHTSPARK | GB | BAY | FEMALE | DIRECT CURRENT (USA) | DAISYS DECISION |
| 1998 | DANCE ON DALE | GB | LB | FEMALE | CREATIVITY (USA) | DANCING DALE |
| 1998 | DANCE ON DATE | GB | LB | FEMALE | CREATIVITY (USA) | DANCING DALE |
| 1998 | DAWN'S DANCER | GB | BAY | FEMALE | DIRECT CURRENT (USA) | SAUNDERS DANCER |
| 1998 | DEN'S PRIDE | GB | BAY | MALE | WHEATLEY SKIPPER | IMA LADY |
| 1998 | DETERMIN | GB | BAY | MALE | BRETS NIGHT'N GALE (USA) | PERFECT JOY |
| 1998 | DIRECT DREAM | GB | BAY | MALE | DIRECT CURRENT (USA) | CHERYLS DREAM |
| 1998 | DIRECT FLAME | IRL | BAY | FEMALE | DIRECT CURRENT (USA) | FRISCO SHARP |
| 1998 | DISCOVERY BOB | GB | BAY | FEMALE | MACATROSS (USA) | GOLDEN DELIGHT |
| 1998 | DISORDER | GB | LIGHT BAY | FEMALE | DIRECT CURRENT (USA) | CAMEO DALE |
| 1998 | DISRAELI FLAME | GB | BAY | FEMALE | DISRAELI HANOVER (USA) | TRACEY ARMBRO |
| 1998 | DO THE BUSINESS | GB | BAY | MALE | CLEMENTSY (USA) | SARAHS LOBELL [CASTLE MAJORETTE] |
| 1998 | DODGIE | GB | BAY | MALE | DIRECT CURRENT (USA) | PRIDE OF VENEECE |
| 1998 | DRIVEN BY DESIRE | IRL | BAY | FEMALE | DRIVEN BY DESIGN (USA) | TREW ALMAHURST |
| 1998 | EAGLE EYE | GB | BAY | FEMALE | EYE ON AMERICA (USA) | BIRDS DECISION |
| 1998 | EASY SCOOT | GB | BAY | FEMALE | MASTER SCOOT (USA) | BONNIE CHANCE |
| 1998 | ECNAGORRA | GB | DARK BAY | FEMALE | PILGRIMS PATRIOT (USA) | ARROGANCE |
| 1998 | ELIONORAS KANJER | GER | BAY | MALE | SUPER ARNIE | ELIONARA OLDESON |
| 1998 | ELIZABETH ROSE | GB | BAY | FEMALE | TRUBA RAINBOW (USA) | STONERIGGS INSTANT |
| 1998 | EMERALD CLANCY | GB | SK | MALE | MILLARDS GOLD | EMERALD CLASSIC |
| 1998 | EMERALD SHANNON | GB | BAY | FEMALE | EMERALD EMPIRE (HOL) | SIERRA SUE |
| 1998 | EMERALD THUNDER | GB | SK | MALE | MILLARDS GOLD | DUNMANUS PRINCESS |
| 1998 | EMMA JANE | GB | LT B | FEMALE | SINGLE IDEAL (USA) | MAYFIELDS FINESSE |
| 1998 | ENORM GIRL | IRL | BAY | FEMALE | ENORM (SWE) | STONERIGGS HONEY |
| 1998 | ETHAN | GB | BAY | FEMALE | TAURUS HANOVER (USA) | MATCHES N FIRE |
| 1998 | EVERDANCING | GB | BAY | MALE | PRINCE LEE DANCER (USA) | SAUNDERS EVEREST |
| 1998 | FAT BOY SLIM | GB | BAY | MALE | DIRECT CURRENT (USA) | SAUNDERS SO SHARP |
| 1998 | FEARLESS SCOOT | GB | BAY | MALE | MASTER SCOOT (USA) | DOUBTFUL |
| 1998 | FFORESTINN FERAE | GB | BAY | MALE | BURST OF ENERGY (USA) | GOLDEN RAIN |
| 1998 | FFORESTINN MOUNTAIN | GB | DKB | FEMALE | ABLE MONTAN (SWE) | SUNNY GIRL J W |
| 1998 | FFORESTINN RAIDER | GB | BAY | MALE | CARSON (SWE) | LITTLE DONNA |
| 1998 | FIASCO | GB | BAY | MALE | PRINCE LEE DANCER (USA) | VYRNWY KEYSTONE |
| 1998 | FLYNN | GB | BAY | FEMALE | KENTUCKY LOBELL (USA) | FLYING LODGE |
| 1998 | FOLD RAJAH | GB | BAY | MALE | RAJAH LOBELL (USA) | EVE HILL |
| 1998 | FREE CURRENT | GB | BAY | MALE | DIRECT CURRENT (USA) | TINA LEE SOTA |
| 1998 | FREE LANDER | GB | BAY | MALE | CLEMENTSY (USA) | FREE STATE |
| 1998 | FRIEDERIKE KIM | GER | BAY | FEMALE | INCREDIBLE CRAFT | FABIOLA HANOVER |
| 1998 | FROSTY FLYER | GB | BAY | MALE | ROBIN RED | LITTLE FLYER |
| 1998 | GANGSTER | GB | BAY | MALE | BRETS NIGHT'N GALE (USA) | OVERWAY |
| 1998 | GARNEY | GB | DK B | MALE | SQUIRTER (USA) | RHIW ANNA |
| 1998 | GERONIMO | GB | BAY / BROW | MALE | IDEAL KEY (SWE) | SONNYS SURPRISE |
| 1998 | GINGER SPICE | GB | DK B | FEMALE | ARMBRO HARRIER (USA) | RED ELF |
| 1998 | GLEBELAND SIAN | GB | BAY | FEMALE | GLEBELAND TED | GOOD VIBRATIONS |
| 1998 | GLENFIELD DANCER | GB | BAY | FEMALE | MILLARDS GOLD | GLENFIELD MICKIE |
| 1998 | GLORY HILL | GB | BAY | FEMALE | BENNY HILL (FR) | CROWNED GLORY |
| 1998 | GOLD STAR II | IRL | DK B | FEMALE | GOLD GLOVER | FINAL DANCER |
| 1998 | GOLDEN BEAUTY | IRL | BAY | FEMALE | GOLD GLOVER | NAVIGATOR |
| 1998 | GOLDEN GLOVES | IRL | BAY | MALE | GOLD GLOVER | DECOY CHOICE |
| 1998 | GOLDEN HILL | GB | BAY | FEMALE | KERRY GOLD (USA) | SAUNDERS HILL |
| 1998 | GOLDEN MILLER III | GB | SK | MALE | MILLARDS GOLD | DUNMANUS PRINCESS |
| 1998 | GOODNIGHT MR TOM | GB | BAY | MALE | RAQUE BOGART (USA) | BLACKWELL GOLD |
| 1998 | GREEN BOW TIE | IRL | BAY | MALE | BURST OF ENERGY (USA) | POOLSIDE |
| 1998 | GREENWOOD ROMANCE | GB | DARK BAY | FEMALE | SURFER HANOVER (USA) | ELIZABETH DU BOIS |
| 1998 | HAPPY EXPRESSION | IRL | BAY | MALE | HAPPY AVON | EXPRESSION FALL |
| 1998 | HASTY HALL | USA | BAY | MALE | JENNAS BEACH BOY | HUNDRED KISSES |
| 1998 | HAWAIIAN DOLL | USA | BROWN | FEMALE | LIFE SIGN (USA) | MERCEDES B |
| 1998 | HAYLEY BOGART | GB | FEMALE | RAQUE BOGART (USA) | ANSLOW ROSE | |
| 1998 | HEATH HOUSE BETH | GB | BAY | FEMALE | BRETS NIGHT'N GALE (USA) | SAY HELLO KATE |
| 1998 | HELLO 'ELLO | GB | BAY | FEMALE | DIRECT CURRENT (USA) | HELLO GOODBYE |
| 1998 | HELLO'ELLO | GB | BAY | FEMALE | DIRECT CURRENT (USA) | HELLO GOODBYE |
| 1998 | HIGH LANDS PRINCE | GB | DK B | MALE | HOPPING HIGH (USA) | BELLTUR |
| 1998 | HIGHBROOKS NIHILATOR | GB | BAY | MALE | HUYLER (USA) | LOBELL CHARM |
| 1998 | HIGHBROOKS ON TIME | GB | BAY | FEMALE | PRINCE LEE DANCER (USA) | HIGHBROOKS JENNA |
| 1998 | HIGHBROOKS PATROL | GB | BAY | MALE | STARKRAZY (USA) | DESERT PATROL |
| 1998 | HILLTOP MILLIE | GB | DK BAY | FEMALE | TAURUS HANOVER (USA) | SAUNDERS FRISK |
| 1998 | HILLTOP RAJAH | GB | BLB | MALE | RAJAH LOBELL (USA) | SAUNDERS ELLEN |
| 1998 | HILTONS RED LIGHT | GB | BAY ROAN | FEMALE | SPEED OF LIGHT (USA) | ROSSETTA STONE |
| 1998 | HOLMWOOD BESS | AUS | DK B | FEMALE | CROUCH | HOLMWOOD J |
| 1998 | HOME RUN | SWE | BAY | MALE | LINDY'S CROWN | NOLA BROLINE [SWE] |
| 1998 | HONEYSUCKLE HALL | USA | BROWN | FEMALE | CAMBEST | BEE CHARMER |
| 1998 | HOT N SPICY | GB | BAY | MALE | TODAYS MAN (USA) | RAMBLING ROSIE |
| 1998 | HUYLANDER | GB | BROWN | MALE | HUYLER (USA) | SHADIE DAISY |
| 1998 | ICEMAN | IRL | BAY | MALE | TODAYS MAN (USA) | MYSTIC SOLAR |
| 1998 | IDEAL FELLA | GB | BLACK | MALE | IDEAL KEY (SWE) | MARY LOU |
| 1998 | IM NO FOOL | GB | DK B | FEMALE | RAQUE BOGART (USA) | IMA MEADOWS |
| 1998 | IM STILL THE MAN | GB | BAY | MALE | MASTER SCOOT (USA) | WREKIN RONLOBELL |
| 1998 | IM UP TO IT | GB | BAY | MALE | RONALDS GOLD | DUAL CONTROL |
| 1998 | IMPRESSIONIST | GB | BAY | MALE | SPEED OF LIGHT (USA) | MONOLIFE MAGIC |
| 1998 | IT'S TIME | GB | BAY | MALE | SPEED OF LIGHT (USA) | LYONS LASS |
| 1998 | J M | GB | BAY | MALE | KASUKU (SWE) | ZIMONA C |
| 1998 | J RS PATSIANA | GB | BAY | FEMALE | PILGRIMS PATRIOT (USA) | J RS LOUISIANA |
| 1998 | JEANNINES GIRL | USA | BAY | FEMALE | LIFE SIGN (USA) | PRECIOUS PEACH |
| 1998 | JERICHO II | GB | BAY | MALE | PILGRIMS PATRIOT (USA) | DENHOLME VELVET |
| 1998 | J-GO | GB | BAY | MALE | KASUKU (SWE) | LUCY DANCER |
| 1998 | JOHN ALBERT | GB | BAY | MALE | HUYLER (USA) | SAUNDERS LYNDA |
| 1998 | JOHN BOY | GB | BAY | MALE | PILGRIMS PATRIOT (USA) | PEEBLES GOLD |
| 1998 | JOHNNY THE RHIW | GB | DK B | MALE | HUYLER (USA) | RHIWBELLA |
| 1998 | JOSS GIRL | GB | BAY | FEMALE | MACATROSS (USA) | SAUNDERS SKATER |
| 1998 | JUMP JET | GB | BLACK | MALE | ARMBRO HARRIER (USA) | MERRY GO ROUND |
| 1998 | JUST FLASH | GB | BAY | MALE | SPEED OF LIGHT (USA) | SAUNDERS FULLSWAY |
| 1998 | JUST NORMAN | GB | BROWN | MALE | RUSTLE OF SPRING (USA) | SPRING TAURUS |
| 1998 | KATANYA SPRITE | GB | SK | FEMALE | CHINOOK | MISS ABBE |
| 1998 | KENTUCKY SILK | GB | BAY | FEMALE | HOPPING HIGH (USA) | KENTUCKY LACE |
| 1998 | KESHENA | GB | BAY | FEMALE | FLEET DECISION (USA) | DENBRAE LADY |
| 1998 | KEYSTONE SCOOTER | IRL | BAY | MALE | DIRECT CURRENT (USA) | SAUNDERS TRILBY |
| 1998 | KINDA GROUCHY | AUS | BAY | MALE | CROUCH | KINDA RACY |
| 1998 | KING ALBERT | GB | BAY | MALE | CHURCHILL KING (USA) | LOU GALLON |
| 1998 | KLONDYKE KYRA | GB | DARK BAY | FEMALE | SHANDY HILL | DONNA ADIOS |
| 1998 | KLONDYKE PRINCE | GB | BAY | MALE | SHANDY HILL | CATHY C</ |