| Helen Davies | Bendigo
17-Jun-18,
Mikali |
| Helen Donnelly | Aquis Beaudesert
08-Nov-23,
Cheers to All |
| Helen Gower | Morphettville
18-Dec-20,
East West |
| Helen Harding | Kalgoorlie
06-Sep-26,
Leniency |
| Helen Page | Eagle Farm
19-Sep-26,
Ciphertext |
| Helen Pitts | Churchill Downs
12-Sep-26,
Frosted Bull |
| Helen Starley | Ascot
19-Nov-11,
SUNRANGE |
| Helen Van Hoeyen | Gatton
17-Dec-15,
Valley Corner |
| Helen Vickers | Carnarvon
27-Jun-15,
Desert Kid |
| Helen White | Ballarat Synthetic
31-Aug-26,
Ryokans |
| Hemel Kelly Von | Oaklawn Park
25-Apr-25,
Last Diamond |
| Hemerio Hernandez | Zia Park
13-Nov-23,
Natural Lips |
| Henk Grewe | Saint-Cloud
18-Sep-26,
Akido |
| Henry B. Johnson, Jr. | Fair Grounds
09-Mar-26,
Royal Hope |
| Henry Bailey | |
| Henry Collazo | Gulfstream
20-Sep-26,
Value Inthe Clouds |
| Henry D. Miller, Jr. | Presque Isle Downs
09-Oct-25,
Library |
| Henry Dunn | Fair Grounds
05-Mar-25,
Deelitesandimsum |
| Henry Dwyer | Echuca
19-Sep-26,
Under Control |
| Henry E. Uriegas | Lone Star Park
22-Jun-26,
Fando |
| Henry Flugence | Fair Grounds
23-Mar-26,
Kisses For Cooper |
| Henry Forster | Doomben
25-Aug-26,
Miss Anchor |
| Henry Gillies | Riccarton Park
07-Mar-24,
Jewel Of Patch |
| Henry Guillory | Fair Grounds
17-Mar-25,
Hard Four |
| Henry Miller | Presque Isle Downs
18-Oct-24,
Just Watch Me Now |
| Henry Oliver | Newton Abbot
18-Sep-26,
Babs |
| Henry Pasino | San Isidro
28-Apr-25,
Bailarin De Venecia |
| Henry R Pasino | Palermo
19-Sep-23,
Largo |
| Henry Reeves | Goulburn
09-May-23,
Classic Train |
| Henry Sainz | Turf Paradise
23-Apr-26,
Mr Mo Dacious |
| Henry Uriegas | |
| Henry Walters | Laurel Park
19-Sep-26,
Prado Road |
| Henry West | Sam Houston Race Park
16-Mar-25,
Mor Mor Music |
| Henry West, Jr. | Delta Downs
19-Feb-26,
Bello Creedo |
| Henton | Wincanton
26-Feb-26,
Fan De Blues |
| Heraclio Botello | Turf Paradise
22-Apr-26,
Raven Jl |
| Heraclio Botello, Jr. | Turf Paradise
22-Apr-26,
Bo Times 9 |
| Herbert Miller | Gulfstream
19-Sep-26,
Dakota's Lil Auror |
| Heribert Martinez | Horseshoe Indianapolis
16-Sep-26,
Optimal Courage |
| Heriberto Diaz | San Isidro
01-May-25,
Valid Cayetano |
| Heriberto Villalobos | Hawthorne
20-Jul-26,
Ice Axe |
| Herman Brown | Kenilworth
15-Apr-26,
Georgie Girl |
| Herman F. Ladner, Jr. | Fair Grounds
23-Mar-26,
Rose Hill Rocket |
| Herman Ladner | Fair Grounds
15-Mar-25,
U Rascal U |
| Herman Wilensky | Gulfstream
24-Dec-23,
My Destiny |
| Hermenegil Aldavaz | Sunland Park
14-Feb-25,
Flags Finale |
| Hermenegildo G. Aldavaz | Sunray Park
18-May-26,
Aa Scarface |
| Hernan E P P | Club Hipico Santiago
01-Mar-25,
Master Kan |
| Hernan P P | Hipodromo Chile
18-May-25,
Cuando Llego Gano |
| Hernan Parra | Gulfstream
08-Jun-26,
Pichirre |
| Hernan Ulloa | Club Hipico Santiago
20-May-25,
Vichito |
| Hernan Voeffray | San Isidro
21-Dec-24,
Sofisticado Soy |
| Hernesto Ramirez | Lone Star Park
20-Sep-26,
Ivorys Version |
| Herold O. Whylie | |
| Herold Simms | Gulfstream
19-Sep-26,
Hit Music |
| Herold Whylie | Laurel Park
08-Mar-25,
Noneedtoworry |
| Hideaki Asari | Nakayama
13-Sep-26,
Pero |
| Hideaki Sato | Mombetsu
10-Sep-26,
Magic Line |
| Hidekatsu Shimizu | Nakayama
06-Sep-26,
Crodestina |
| Hideki Kadokawa | Sapporo
26-Jul-26,
Kaishin Pageant |