| William E. Gallagher | Turfway Park
22-Dec-25,
Flash The Magic |
| William E. March | Tampa Bay Downs
29-Jan-26,
Protest |
| William E. Morey | Turfway Park
01-Mar-26,
Lady Faye |
| William E. Straughn | Charles Town
18-Jan-26,
Mitole Candy |
| William Earl Atkins | Charles Town
07-Feb-26,
Rainbowsnsunshine |
| William Edwards | Turfway Park
27-Dec-24,
Baytown Kitty Cat |
| William Fires | Oaklawn Park
03-May-25,
Ryno Wrecker |
| William G Witherow | Mountaineer
10-Dec-25,
Boccabella |
| William Gallagher | Churchill Downs
03-May-24,
American Maestra |
| William Godecke | Pinjarra Park
26-Dec-13,
March Along |
| William Gowan | Mahoning Valley
26-Jan-25,
Territoriality |
| William Grainger | Colonial Downs
14-Sep-25,
Power Dance |
| William H. Bartlett | |
| William H. Fires | Oaklawn Park
22-Feb-26,
Point Blank |
| William Haggas | Wolverhampton
27-Jan-26,
Berlinetta |
| William Haggas | Randwick
05-Apr-25,
Desert Hero |
| William Harris | Turf Paradise
03-Jan-25,
Western Reserve |
| William Harvey | Dundalk
21-Feb-26,
Blues Emperor |
| William Helmbrecht | Turfway Park
05-Jan-25,
Centrifugal Force |
| William Hogan | Delaware Park
21-Sep-24,
Dadashev |
| William Howard | Mountaineer
16-Jun-25,
Sharp Life |
| William I. Mott | |
| William J Hogan Jr. | Philadelphia Park
21-Aug-24,
Bella Maria |
| William J Williams | Rockhampton Sand Track
17-Dec-09,
ROCK OF MUFASA |
| William Jones | Charles Town
09-Dec-23,
Dearest M. A. |
| William Kropp | Gatton
01-Mar-26,
Oh Pretty Emma |
| William Lewis | Charles Town
21-Sep-24,
Gator Twenty Five |
| William Lewthwaite | Ascot
16-Dec-23,
Long Weekend |
| William Macvittie | |
| William March | Tampa Bay Downs
01-May-25,
Well Connected |
| William Martin | Oaklawn Park
04-May-25,
Getty's Revenge |
| William McDonald | Mountaineer
09-Jul-25,
Uncaptured Faith |
| William McLeod | Rockhampton
01-Mar-12,
Razon De Jeu |
| William McMahon | Fort Erie
10-Sep-24,
Great Go Go |
| William Meister | Delaware Park
23-May-25,
Never More Valor |
| William Melvin | Gladstone
23-Oct-21,
Stumped |
| William Morey | Aqueduct
14-Feb-26,
Beary Funny |
| William Morrissey | Horsham
24-Feb-26,
Shay's Way |
| William Mott | Gulfstream
01-Mar-26,
Knightsbridge |
| William Mullins | Del Mar
02-Nov-25,
Ethical Diamond |
| William N. Martin | Oaklawn Park
01-Mar-26,
Chica Arma |
| William P Murphy | Fairyhouse
22-Feb-26,
Clonmeen |
| William P. McCall Iii | Turfway Park
23-Jan-26,
Extravagant Prince |
| William Pearson | Cannon Park
26-Jul-09,
CHEYENNE KID |
| William Pholi | Aquis Park Gold Coast
19-Dec-20,
Dash for Van |
| William Pribble | Turfway Park
25-Jan-24,
Scarlet Miss |
| William Pugsley | Thangool
29-Nov-25,
Lasco |
| William R. Helmbrecht | Turfway Park
17-Jan-26,
Run In Gold |
| William R. Lewis, Jr. | Charles Town
18-Jan-26,
Romantic Warrior |
| William R. McDonald | Mountaineer
10-Dec-25,
Up Her Sleeve |
| William Renwick | Geraldton
16-Nov-25,
Clever Combat |
| William S. Meister | Penn National
19-Dec-25,
Cashpoint |
| William Smart | Morphettville Parks
24-Aug-13,
Silent Savannah |
| William Souchet | Caen
23-Mar-23,
Jivago De La Cour |
| William Sprague | Taree
28-Feb-10,
In Times Eye |
| William Stinson | |
| William Stinson, Jr. | Keeneland
04-Oct-25,
Here Mi Song |
| William Stites | Penn National
07-Feb-25,
Charge That Dress |
| William Straughn | Charles Town
11-Jan-25,
Adios See Ya |
| William Tharrenos | Gulfstream
02-Mar-26,
Conn Smythe |