DONCASTER 1900-1931 St Leger winners
Aintree racecourse;Ascot;Ayr;Bangor;Bath;Beverley;Brighton;Carlisle;Cartmel;Catterick;Cheltenham Festival;Chepstow;Chester;Doncaster St Leger;Epsom Derby;Exeter racecourse;Fakenham;Folkestone;Fontwell Park;Glorious Goodwood;Hamilton Park;Haydock Park;Hereford Racecourse;Hexham;Huntingdon;Kelso;Kempton Park;Leicester;Lingfield;Ludlow;Market Rasen;Musselburgh;Newbury Racecourse;Newcastle;Newmarket;Newton Abbot;Nottingham;Perth;Plumpton;Pontefract Racecourse;Redcar;Ripon;Salisbury;Sandown Park;Sedgefield;Southwell;Stratford;Taunton;Thirsk;Towcester;Uttoxeter;Warwick;Wetherby;Wincanton;Windsor;Wolverhampton;Worcester;Yarmouth;York Ebor
| Date | Winner | Owner | Trainer | Jockey | Runners |
| 1900 | DIAMOND JUBILEE | HRH The Prince of Wales | R Marsh | H Jones | 11 |
| 1901 | DORICLES | Mr L de Rothschild | A Hayhoe | K Cannon | 13 |
| 1902 | SCEPTRE | Mr R S Sievier | R Sievier | F Hardy | 12 |
| 1903 | ROCK SAND | Sir J Miller | G Blackwell | D Maher | 5 |
| 1904 | PRETTY POLLY | Major Loder | P P Gilpin | W Lane | 6 |
| 1905 | CHALLACOMBE | Mr W Singer | A Taylor | O Madden | 8 |
| 1906 | TROUTBECK | Duke of Westminster | W Waugh | G Stern | 12 |
| 1907 | WOOL WINDER | Colonel Baird | H Enoch | W Halsey | 12 |
| 1908 | YOUR MAJESTY | Mr J B Joel | C Morton | Walter Griggs | 10 |
| 1909 | BAYARDO | Mr Firie | A Taylor | D Maher | 7 |
| 1910 | SWYNFORD | Lord Derby | G Lambton | F Wootton | 11 |
| 1911 | PRINCE PALATINE | Mr Pilkington | J Beardsley | F O'Neill | 8 |
| 1912 | TRACERY | Mr A Belmont | J Watson | G Bellhouse | 14 |
| 1913 | NIGHT HAWK | Mr W Walker | W Robinson | E Wheatley | 12 |
| 1914 | BLACK JESTER | Mr J B Joel | C Morton | Walter Griggs | 18 |
| Run at Newmarket as the September Stakes | |||||
| 1919 | KEYSOE | Lord Derby | G Lambton | B Carslake | 10 |
| 1920 | CALIGULA | Mr Goculdas | H Leader | A Smith | 14 |
| 1921 | POLEMARCH | Lord Londonderry | T Green | J Childs | 9 |
| 1922 | ROYAL LANCER | Lord Lonsdale | A Sadler jnr | R Jones | 24 |
| 1923 | TRANQUIL | Lord Derby | C Morton | T Weston | 13 |
| 1924 | SALMON TROUT | H H Aga Khan | R Dawson | B Carslake | 17 |
| 1925 | SOLARIO | Sir J Rutherford | R Day | J Childs | 15 |
| 1926 | CORONACH | Lord Woolavington | F Darling | J Childs | 12 |
| 1927 | BOOK LAW | Lord Astor | A Taylor | H Jelliss | 16 |
| 1928 | FAIRWAY | Lord Derby | Frank Butters | T Weston | 13 |
| 1929 | TRIGO | Mr W Bennett | R Dawson | M Beary | 14 |
| 1930 | SINGAPORE | Lord Glanely | T Hogg | G Richards | 13 |
| 1931 | SANDWICH | Lord Rosebery | J Jarvis | H Wragg | 10 |