| Gregorio P. Rivera | Fonner Park
03-May-26,
Buthespretty |
| Gregory Bland | Horseshoe Indianapolis
18-Sep-26,
Cool Hunting |
| Gregory Booth | Gold Coast Poly
29-Jun-24,
Shopping Wise |
| Gregory Charlerie | |
| Gregory Cornish | Gold Coast
06-Sep-25,
King Of The Lochs |
| Gregory D. Foley | Churchill Downs
14-Sep-26,
Can't Hush This |
| Gregory D. Sacco | Laurel Park
20-Sep-26,
Unbridled Justice |
| Gregory Daffey | Warrnambool
03-Oct-25,
Trewhella Jack |
| Gregory DiPrima | Saratoga
05-Sep-26,
Sunshine Lily |
| Gregory E. Charlerie | Finger Lakes
15-Sep-26,
Hey Toby |
| Gregory Eidschun | Mountaineer
25-Sep-23,
Secret Camelot |
| Gregory Evans | |
| Gregory Foley | Churchill Downs
19-Sep-26,
Vamos Carlitos |
| Gregory Hayes | Gympie
26-Oct-24,
Rasheed |
| Gregory Hickman | Flemington
12-Sep-26,
Future History |
| Gregory Huth | Gladstone
29-Jun-24,
Reojoan |
| Gregory Judd | Newcastle
24-Sep-11,
Favre |
| Gregory L. Wilson | Laurel Park
20-Sep-26,
I'm A Lil Wicked |
| Gregory McFarlane | Newcastle
19-Sep-26,
Kosuke |
| Gregory McGaffic | Mountaineer
02-Dec-24,
Event Party |
| Gregory Minns | Canberra Acton
08-Aug-25,
Savant De Lune |
| Gregory O'Neill | Narromine
24-Aug-25,
Epic Time |
| Gregory R. Bland | Horseshoe Indianapolis
19-Aug-26,
C U Whenugetthere |
| Gregory Romero | Turfway Park
27-Feb-26,
Victory By Grace |
| Gregory Sacco | Delaware Park
17-Sep-26,
Aibell |
| Gregory Seabrook | Beaudesert
15-Mar-15,
Whydothistome |
| Gregory Smith | Barraba
21-Sep-24,
River Mac |
| Gregory Viands | Charles Town
18-Sep-26,
Tiptoetappin |
| Gregory Webb | Stony Creek
15-Feb-26,
Redabout |
| Gregory Wilson | Laurel Park
28-Apr-25,
Nearly A Lady |
| Gu Sung | Busan
18-May-25,
Maria's Call |
| Guadalupe Deras | Lone Star Park
13-Sep-26,
Stoic Dash |
| Guadalupe J. Mata | Canterbury Park
13-Sep-26,
Athletic Like |
| Guadalupe Munoz Jr | Sunland Park
31-Mar-24,
Flash Me The Price |
| Guadalupe Preciado | Delaware Park
28-Aug-26,
Vekoma's War |
| Gualberto Aguinaco | Palermo
29-Oct-23,
Ree Justa |
| Guber Gorostieta | Horseshoe Indianapolis
02-Sep-26,
Cause Ima Boss |
| Guido L Villanueva | Palermo
19-Aug-23,
Cretino Y Expresivo |
| Guido Villanueva | San Isidro
22-May-25,
Claro Boy |
| Guillemin (s) | Toulouse
17-Sep-26,
Fleur Celeste |
| Guillermo A | Hipodromo Chile
09-May-25,
Norte Risueno |
| Guillermo A. Rangel | Gulfstream
07-Sep-26,
Janana Han |
| Guillermo Ahihi | San Isidro
26-Apr-25,
Ke Wellito Gol |
| Guillermo Arrizabalaga | San Isidro
30-May-24,
Mex Joy |
| Guillermo Baglietto | San Isidro
15-Sep-24,
Amor Del Bueno |
| Guillermo C | Valparaiso Sporting Club
15-May-25,
Gran Gallega |
| Guillermo Cuesta | Palermo
14-Nov-23,
Amiguita Boce |
| Guillermo De | San Isidro
08-May-25,
Amiguitamilonguerita |
| Guillermo Escudero | Palermo
07-Oct-23,
More Than Words |
| Guillermo Flores | Remington Park
21-Nov-25,
Final Decree |
| Guillermo Frenkel | San Isidro
28-Apr-25,
Espada Y Oro |
| Guillermo Gallay | San Isidro
27-Feb-25,
Lucky Gentelman |
| Guillermo Garcia | San Isidro
22-May-25,
Corsico |
| Guillermo Martinez | San Isidro
10-Jun-23,
Reglas Reales |
| Guillermo Morales | Tampa Bay Downs
02-May-26,
My Satisfaction |
| Guillermo Morales, Jr. | Gulfstream
14-Sep-26,
Intriga Coco |
| Guillermo Naranjo | San Isidro
01-Jun-23,
Primavera Candy |
| Guillermo Nunez | Palermo
13-Aug-23,
Buen Atrayente |
| Guillermo P | Club Hipico Santiago
11-Jan-25,
Halime |
| Guillermo Peralta | Club Hipico Santiago
17-May-25,
William Faulkner |