 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
Greenhalgh Paul (Teddington) | 26.8 | | | 43 | 1 | 0 | 0 | 0 | | |
| 2024 | | 26:46:32 | | Greenhalgh Paul & Soutter Wayne | Independent | 43 | | | | | |  |
Greenham Brian | 17.9 | | | 4 | 9 | 5 | 0 | 2 | | |
| 1973 | | 24:49:20 | | Rafferty D A & Greenham Brian | Pangbourne & Hove | 19 | | | | | |  |
| 1975 | | 17:50:23 | | Perrett Bernard & Greenham Brian | Leighton Park School & Royal | 1 | | 1 | | | Civilian |  |
| 1977 | | 17:47:58 | | Greenham Brian & Cornish Tim | Royal | 3 | | | | 1 | |  |
| 1978 | | 16:50:51 | | Greenham Brian & Cornish Tim | Leighton Park School & Richmond | 1 | | 1 | | | Civilian |  |
| 1979 | | 15:34:12 | | Greenham Brian & Cornish Tim | Reading and Leighton Park & Richmond | 1 | | 1 | | | Civilian |  |
| 1980 | | 16:15:48 | | Greenham Brian & Cornish Tim | Reading and Leighton Park & Richmond | 1 | | 1 | | | Civilian |  |
| 1981 | | 17:22:14 | | Greenham Brian & Belcher R J | Reading & Preston Brook | 1 | | 1 | | | Civilian |  |
| 1994 | | 16:31:06 | | Greenham Brian & Wallis G J | Wokingham Scouts | 3 | | | | 1 | Scouts |  |
| 2014 | | 18:24:53 | | Greenham Brian & Miklos Renata | Reading | 4 | | | | | Mixed |  |
Greenin M J | 35.6 | | | 84 | 1 | 0 | 0 | 0 | | |
| 1997 | | 35:36:12 | | McCall Robert & Greenin M J | Independent | 84 | | | | | |  |
Greensmith Ben | 28.9 | | | 101 | 1 | 0 | 0 | 0 | | |
| 2015 | FB | 28:56:58 | | Greensmith Ben & O'brien Simon | Independent | 101 | | | | | Tyne |  |
Greenwood J P | 38.4 | | | 26 | 1 | 0 | 0 | 0 | | |
| 1965 | | 38:22:29 | | Slade C J & Greenwood J P | RMA Sandhurst | 26 | | | | | |  |
Greenwood R | 33.0 | | | 28 | 1 | 0 | 0 | 0 | | |
| 1961 | | 33:03:30 | | Teale M & Greenwood R | JLR RAC | 28 | | | | | |  |
Greer W | 24.5 | | | 11 | 3 | 0 | 0 | 0 | | |
| 1968 | | 27:47:30 | | Pearson G W & Greer W | 3 Para | 15 | | | | | |  |
| 1969 | | 23:26:20 | | Pearson G W & Greer W | 3 Para | 10 | | | | | |  |
| 1970 | | 22:22:07 | | Fenton G & Greer W | 3 Para | 9 | | | | | |  |
Gregory B | 28.3 | | | 35 | 2 | 0 | 0 | 0 | | |
| 1967 | | 31:58:00 | | Tyson N & Gregory B | Prince of Wales's Dragons | 40 | | | | | |  |
| 1977 | | 24:40:33 | | Gregory B & Ryan Mark | 29 Commando RA | 29 | | | | | |  |
Gregory C W | 37.6 | | | 96 | 2 | 0 | 0 | 0 | | |
| 1991 | C2 | 35:22:10 | | Gregory C W & Vincent P | Killingworth Watersports | 96 | | | | | |  |
| 1997 | | 39:53:15 | | Vinvent P & Gregory C W | Newcastle | 96 | | | | | |  |
Gregory LM | 50.8 | | | 103 | 1 | 0 | 0 | 0 | | |
| 1997 | | 50:47:55 | | Gregory LM & Sheldrick M J | 2 RGBW (VR) | 103 | | | | | |  |
Gregory Magnus | 17.1 | | | 2 | 3 | 0 | 3 | 0 | | |
| 2026 | | 17:08:41 | | Gregory Magnus & Lane Alex | Southampton & Reading | 2 | | | 1 | | Mixed |  |
| 2026 | | 17:08:41 | | Gregory Magnus & Lane Alex | Southampton & Reading | 2 | | | 1 | | Mixed |  |
| 2026 | | 17:08:41 | | Gregory Magnus & Lane Alex | Southampton & Reading | 2 | | | 1 | | Mixed |  |
Gregory Paul | 24.4 | | | 59 | 1 | 0 | 0 | 0 | | |
| 2015 | | 24:21:50 | | Gregory Paul & Grover Liam | Worcester | 59 | | | | | |  |
Gregory Paul (Teddington) | 22.3 | | | 32 | 1 | 0 | 0 | 0 | | |
| 2022 | | 22:15:31 | | Leeke Gary & Gregory Paul | Worcester | 32 | | | | | |  |
Gregory R M | 19.5 | | | 14 | 1 | 0 | 0 | 0 | | |
| 1982 | | 19:31:07 | | Gardiner M P & Gregory R M | 21 (Artists) | 14 | | | | | Reserve |  |
Grenham Steve | 32.9 | | | 110 | 1 | 0 | 0 | 0 | | |
| 2015 | FB | 32:54:24 | | Dawson Mick & Grenham Steve | Martlet | 110 | | | | | |  |
Grennan E | 25.3 | | | 19 | 1 | 0 | 0 | 0 | | |
| 1969 | | 25:20:06 | | Elgenia K & Grennan E | 22 | 19 | | | | | |  |
Grenter G | 36.2 | | | 102 | 1 | 0 | 0 | 0 | | |
| 1991 | | 36:10:30 | | Grenter G & Roberts P | 1st Woodley Venture Scouts | 102 | | | | | |  |
Grewcock D C | 19.5 | | | 22 | 1 | 0 | 0 | 0 | | |
| 1993 | | 19:30:15 | | Pimm M & Grewcock D C | Harrow & Wealdstone V.S.U. | 22 | | | | | Scouts |  |
Grewcock Danny | 37.7 | | | 113 | 1 | 0 | 0 | 0 | | |
| 2019 | FB | 37:40:34 | | Grewcock Danny & Todd James | None | 113 | | | | | |  |
Grewcock I P | 19.0 | | | 6 | 6 | 0 | 1 | 0 | | |
| 1990 | | 19:27:48 | | Smith D N & Grewcock I P | Royal Engineers | 7 | | | | | Army,Services |  |
| 1991 | | 19:07:50 | | Grewcock I P & Beegan A F | Royal Engineers | 2 | | | 1 | | Army,Services |  |
| 1992 | | 17:53:40 | | Grewcock I P & Beegan A F | Royal Engineers | 5 | | | | | Army,Services |  |
| 1993 | | 17:50:25 | | Grewcock I P & Hazzard R L | Royal Engineers | 9 | | | | | |  |
| 1996 | | 20:09:20 | | Grewcock I P & Bailey M S | Royal Engineers | 7 | | | | | Army |  |
| 1997 | | 19:42:35 | | Grewcock I P & Walker R G | Royal Engineers | 6 | | | | | Army |  |
Grey J | 28.6 | | | 22 | 2 | 0 | 0 | 0 | | |
| 1973 | | 29:44:45 | | Grey J & Raybone M | Gloucester | 29 | | | | | |  |
| 1974 | | 27:23:45 | | Grey J & Raybone M | Gloucester | 15 | | | | | |  |
Grief D A | 27.4 | | | 37 | 1 | 0 | 0 | 0 | | |
| 1975 | | 27:25:17 | | Grief D A & Peach S R | Leverton & 5 Windsor Scouts | 37 | | | | | |  |
Grieson LG | 27.5 | | | 40 | 1 | 0 | 0 | 0 | | |
| 1983 | | 27:31:19 | | Grieson LG & Taylor J B | Royal Artillery | 40 | | | | | |  |
Griffin Andrew | 26.8 | | | 44 | 1 | 0 | 0 | 0 | | |
| 2008 | | 26:45:46 | | Dutton Charlie & Griffin Andrew | Richmond | 44 | | | | | |  |
Griffin Donna Michelle | 21.2 | | | 18 | 1 | 0 | 0 | 0 | | |
| 1997 | | 21:12:54 | | Barshaw S A & Griffin Donna Michelle | Nottingham | 18 | | | | | |  |
Griffin P R | 27.1 | | | 13 | 1 | 0 | 0 | 0 | | |
| 1974 | | 27:03:32 | | Griffin P R & White P S | 17 Trg Regt & Depot R A | 13 | | | | | |  |
Griffin Royston | 24.7 | | | 36 | 1 | 0 | 0 | 0 | | |
| 2006 | | 24:40:24 | | Griffin Royston & Smith Jason | Royal Signals | 36 | | | | | |  |
Griffith Jackson | 38.4 | | | 49 | 1 | 0 | 0 | 0 | | |
| 2003 | | 38:22:43 | | Griffith Jackson & Tyszkiewicz John | Independent | 49 | | | | | |  |
Griffith R | 36.4 | | | 110 | 1 | 0 | 0 | 0 | | |
| 1985 | | 36:24:55 | | Buckingham F C & Griffith R | Penzance | 110 | | | | | |  |
Griffiths | 38.3 | | | 4 | 1 | 0 | 0 | 0 | | |
| 1955 | | 38:19:00 | | Griffiths & Beaman | Independent | 4 | | | | | |  |
Griffiths A J | 22.6 | | | 28 | 1 | 0 | 0 | 0 | | |
| 1991 | | 22:34:32 | | Griffiths A J & Ernst M | Aberfan | 28 | | | | | |  |
Griffiths C | 25.6 | | | 50 | 1 | 0 | 0 | 0 | | |
| 1991 | | 25:33:00 | | Horgan W & Griffiths C | Westel | 50 | | | | | |  |
Griffiths D | 22.9 | | | 49 | 1 | 0 | 0 | 0 | | |
| 1992 | | 22:54:20 | | Griffiths D & Prime R | Royal Engineers | 49 | | | | | |  |
Griffiths Daniel | 26.0 | | | 74 | 1 | 0 | 0 | 0 | | |
| 2019 | | 25:59:13 | | Woodley Sean & Griffiths Daniel | Chelmsford | 74 | | | | | |  |
Griffiths G H | 20.8 | | | 14 | 2 | 0 | 0 | 0 | | |
| 1978 | | 22:12:38 | | Griffiths G H & Mitchell N R | Royal Engineers | 23 | | | | | |  |
| 1981 | | 19:25:16 | | Wood T & Griffiths G H | Royal Engineers | 4 | | | | | |  |
Griffiths G R | 23.4 | | | 53 | 2 | 0 | 0 | 0 | | |
| 1984 | | 26:07:00 | | Griffiths G R & Maidment D | 4th New Forest N, V Scouts | 81 | | | | | |  |
| 1989 | | 20:43:29 | | Griffiths G R & Maidment D | Independent | 25 | | | | | |  |
Griffiths Jason | 33.3 | | | 101 | 2 | 0 | 0 | 0 | | |
| 2016 | | 36:26:26 | | Griffiths Jason & Marlow Duane | Army Canoe Union | 100 | | | | | |  |
| 2017 | | 30:06:44 | | Short James & Griffiths Jason | Royal Artillery 29 Commando Unit | 102 | | | | | |  |
Griffiths Miles | 32.0 | | | 41 | 3 | 0 | 0 | 0 | | |
| 2026 | | 32:02:29 | | Haines Tim & Griffiths Miles | Runcorn | 41 | | | | | |  |
| 2026 | | 32:02:29 | | Haines Tim & Griffiths Miles | Runcorn | 41 | | | | | |  |