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| Name | Last Run |
|---|---|
| Sir Gregory | Kempton, 05-Jan-23 |
| Sir Louis | Auteuil, 15-Jun-24 |
| Sir Maurice | Deauville, 07-Jan-24 |
| Sir Prince | La Teste De Buch, 10-Jul-24 |
| Sir Sedric | Chelmsford City, 13-Oct-23 |
| Sir Silver Sox | Roscommon, 09-Aug-23 |
| Sir Sparkalot | Deauville, 27-Aug-23 |
| Siren | Angers, 27-Oct-23 |
| Siren's Symphony | Marseille, 23-Mar-25 |
| Sirene Al Maury | Mont De Marsan, 14-Sep-24 |
| Sirima | Auteuil, 28-May-24 |
| Sirlight | Nantes, 22-May-25 |
| Sirnodin | Pau, 13-Dec-23 |
| Sirtaki | Laurel Park, 14-Aug-23 |
| Siskaro | Vichy, 25-Jul-24 |
| Sison | Dax, 01-May-23 |
| Sissi De Monmirail | Pau, 31-Dec-23 |
| Sissi Du Mesnil | Auteuil, 17-Nov-24 |
| Sister Jade | Lyon La Soie, 07-Apr-24 |
| Sister Saint | Taunton, 22-Feb-23 |
| Sisterland | Salon-De-Provence, 28-Nov-24 |
| Sisterlande | Mont De Marsan, 06-Jul-24 |
| Situmeledemandais | Compiegne, 21-Jun-25 |
| Sivana | Chantilly, 04-Jun-23 |
| Sivka Burka | TRIAL Royal Randwick, 24-Apr-25 |
| Six Bullets | Clairefontaine, 17-Jul-24 |
| Six Fingered Cat | Saint-Cloud, 23-Jun-23 |
| Sixteen Tons | San Sebastian, 19-Apr-24 |
| Sixth Street | Canterbury Park, 28-Aug-23 |
| Sixttina | Marseille, 20-Nov-24 |
| Sixty Dollars More | Wincanton, 01-Dec-22 |
| Siyouangel | Chantilly, 12-Oct-23 |
| Ska De L'aigle | Meydan, 08-Mar-25 |
| Skade | Le Mans, 13-Nov-23 |
| Skalleti | Deauville, 02-Aug-24 |
| Skazino | ParisLongchamp, 28-Apr-24 |
| Skibo Castle | Bordeaux Le Bouscat, 28-May-23 |
| Skimbleshanks | Compiegne, 21-Jun-25 |
| Skirtowe | Clairefontaine, 14-Aug-23 |
| Sky Glory | Vittel, 31-Jul-23 |
| Sky Gold | Le Croise-Laroche, 19-Sep-24 |
| Sky Power | Chantilly, 27-Mar-25 |
| Skytastic | Doncaster, 03-Mar-24 |
| Slade de Cerisy | Mornington, 07-Dec-18 |
| Slam Poet | Dieppe, 05-Aug-24 |
| Slava Oukraini | Nantes, 30-Mar-25 |
| Sleeper | Amiens, 10-Oct-23 |
| Slinky Malinki | Compiegne, 12-Mar-25 |
| Sliogan | Dundalk, 07-Dec-24 |
| Sluzewiec | Wolverhampton, 01-Oct-24 |
| Smart Cookie | Cagnes-sur-Mer, 25-Jan-23 |
| Smokeshow | Clairefontaine, 02-Aug-23 |
| Sniper Point | Chepstow, 24-Nov-23 |
| Sniper's Eye | Newcastle, 05-Oct-24 |
| Snooker | La Teste De Buch, 04-Jul-24 |
| Snooze N You Lose | Lingfield, 27-Oct-22 |
| Snow Late | Nancy, 06-Jun-25 |
| Snuggle Up | Chantilly, 30-Dec-23 |
| Snuggles | Fontainebleau, 14-Nov-24 |
| So Gold | Strasbourg, 22-Mar-25 |