 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
Giffin Daniel | 26.9 | | | 77 | 1 | 0 | 0 | 0 | | |
| 2013 | | 26:54:55 | | Giffin Daniel & Stillman Glen | Independent | 77 | | | | | |  |
Gilbert-Johns Jack | 18.6 | | | 8 | 1 | 0 | 0 | 0 | | |
| 2023 | | 18:39:41 | | Meyer Russell & Gilbert-Johns Jack | Southampton | 8 | | | | | |  |
Gilbert E J | 34.3 | | | 94 | 1 | 0 | 0 | 0 | | |
| 1982 | | 34:21:59 | | Gilbert E J & Ford DA | 81 Ordnance Coy. | 94 | | | | | |  |
Gilbert Harry | 19.6 | | | 6 | 2 | 0 | 0 | 0 | | |
| 2016 | | 20:23:14 | | Gilbert Harry & Pearce Ryan | Fowey River | 7 | | | | | |  |
| 2017 | | 18:54:38 | | Southey Michael & Gilbert Harry | Fowey River | 5 | | | | | |  |
Gilbert Karl | 19.7 | | | 8 | 2 | 0 | 0 | 0 | | |
| 1997 | | 20:06:58 | | Gilbert Karl & Pearce Mark | Richmond | 9 | | | | | |  |
| 2002 | | 19:23:07 | | Kelley Philippa & Gilbert Karl | Richmond | 7 | | | | | Mixed |  |
Gilbert P | 19.6 | | | 16 | 1 | 0 | 0 | 0 | | |
| 1992 | | 19:36:45 | | Randall N & Gilbert P | Royal | 16 | | | | | |  |
Gilbert S | 36.7 | | | 83 | 2 | 0 | 0 | 0 | | |
| 1984 | | 21:41:28 | | Willett I T & Gilbert S | 2nd & 32nd Reading VSU. | 28 | | | | | |  |
| 1986 | | 51:46:20 | | Floyd L F & Gilbert S | T.S. Swiftsure, Nautical Trg. Corps | 138 | | | | | |  |
Gilby P S | 23.3 | | | 46 | 1 | 0 | 0 | 0 | | |
| 1990 | | 23:16:52 | | Davies M L & Gilby P S | Royal Marines | 46 | | | | | |  |
Gildea Denis | 24.7 | | | 39 | 1 | 0 | 0 | 0 | | |
| 2002 | | 24:43:13 | | Gildea Denis & Fox David | Royal Marines | 39 | | | | | |  |
Giles Andrew | 24.3 | | | 33 | 2 | 0 | 0 | 0 | | |
| 2005 | | 26:14:33 | | Pedley Andrew & Giles Andrew | Lincoln | 47 | | | | | |  |
| 2006 | | 22:27:24 | | Giles Andrew & Pedley Andrew | Lincoln | 19 | | | | | |  |
Giles Lucy | 25.9 | | | 51 | 1 | 0 | 0 | 0 | | |
| 2002 | | 25:52:40 | | Giles Lucy & Hassell Amanda | Royal Military Col. of Science | 51 | | | | | |  |
Giles M | 31.0 | | | 23 | 2 | 0 | 0 | 0 | | |
| 1961 | | 31:22:30 | | Giles M & Campion C | Royal Marines | 24 | | | | | |  |
| 1963 | | 30:37:00 | | Giles M & Campion C | Royal Marines Forces Volunteer Reserve - City of London | 21 | | | | | |  |
Gilholm A J | 36.3 | | | 123 | 1 | 0 | 0 | 0 | | |
| 1989 | | 36:20:05 | | Gilholm A J & Okopski P | HMS Osprey | 123 | | | | | |  |
Gill R | 25.1 | | | 8 | 1 | 0 | 0 | 0 | | |
| 1965 | | 25:05:57 | | Warren S & Gill R | 63 Coy RASC (Para Bde) | 8 | | | | | |  |
Gillard Luke | 23.5 | | | 26 | 1 | 0 | 0 | 0 | | |
| 2004 | | 23:31:14 | | Gillard Luke & Reed Simon | Royal Marines | 26 | | | | | |  |
Gilles R | 33.7 | | | 52 | 1 | 0 | 0 | 0 | | |
| 1978 | | 33:43:43 | | Gilles R & Abbott K | Independent | 52 | | | | | |  |
Gillespie Janet | 27.3 | | | 80 | 1 | 0 | 0 | 0 | | |
| 2016 | C2 | 27:17:14 | | Metcalfe Vicky & Gillespie Janet | Pangbourne | 80 | | | | | Ladies C2 |  |
Gilliland Elizabeth | 68.4 | | | 152 | 1 | 0 | 0 | 0 | | |
| 1988 | | 68:23:45 | | Gilliland Elizabeth & Hill Sheila Kate | RMA Sandhurst | 152 | | | | | |  |
Gillingham G | 48.9 | | | 39 | 1 | 0 | 0 | 0 | | |
| 1966 | | 48:53:56 | | Farge M D & Gillingham G | Westland Apprentices | 39 | | | | | |  |
Gillis Darien | 20.5 | | | 16 | 1 | 0 | 0 | 0 | | |
| 2010 | | 20:28:50 | | Gillis Darien & Wall John | 2 Para | 16 | | | | | |  |
Gillman C R | 21.4 | | | 24 | 4 | 0 | 0 | 0 | | |
| 1979 | | 23:27:38 | | Gillman C R & Little R J | Totness | 38 | | | | | |  |
| 1980 | | 22:05:10 | | Gillman C R & Little R J | Totness | 26 | | | | | |  |
| 1982 | | 19:30:21 | | Gillman C R & Little R J | Totness | 13 | | | | | |  |
| 1985 | | 20:31:07 | | Gillman C R & Little R J | Totness | 17 | | | | | |  |
Gillmer Emma | 24.1 | | | 50 | 1 | 0 | 0 | 0 | | |
| 2019 | | 24:06:40 | | Houghting Shane & Gillmer Emma | Wey Kc | 50 | | | | | |  |
Gilruth A | 40.8 | | | 108 | 3 | 0 | 0 | 0 | | |
| 1992 | | 35:42:10 | | Gilruth A & Payne J R W | Exeter University OTC | 110 | | | | | |  |
| 1993 | | 51:05:00 | | Payne J R W & Gilruth A | Exeter University OTC | 121 | | | | | |  |
| 1995 | | 35:36:00 | | Chapman A G & Gilruth A | Bowring Marine | 92 | | | | | |  |
Gilruth Andrew | 37.0 | | | 82 | 1 | 0 | 0 | 0 | | |
| 2006 | | 37:00:00 | | Gilruth Andrew & Long Patrick | Independent | 82 | | | | | |  |
Gimson Anne | 30.1 | | | 74 | 1 | 0 | 0 | 0 | | |
| 1991 | | 30:04:02 | | Hunter Gillian & Gimson Anne | Hemel Hempstead | 74 | | | | | |  |
Girard I D | 24.1 | | | 79 | 2 | 0 | 0 | 0 | | |
| 1987 | | 23:55:32 | | Girard I D & Brimstead A | Royal Marines Reserve - London | 77 | | | | | |  |
| 1988 | | 24:19:40 | | Girard I D & Brimstead A | Royal Marines Reserve - London | 80 | | | | | |  |
Gladstone Xen | 26.6 | | | 81 | 1 | 0 | 0 | 0 | | |
| 2019 | | 26:37:48 | | Gladstone Xen & Parker Simon | Vrc Hong Kong | 81 | | | | | |  |
Gladwell Marcus | 25.0 | | | 52 | 1 | 0 | 0 | 0 | | |
| 2013 | | 25:00:29 | | Gladwell Marcus & Doy James | Southwold Sea Training Limited & Southwold Sea Training | 52 | | | | | |  |
Gladwell Sebastian | 23.9 | | | 48 | 1 | 0 | 0 | 0 | | |
| 2019 | | 23:55:56 | | Gladwell Sebastian & Willis Benjamin | Royal Hospital School | 48 | | | | | |  |
Glaisher Dougal | 17.0 | | | 4 | 1 | 0 | 0 | 0 | | |
| 2023 | | 16:57:21 | | Butler Billy & Glaisher Dougal | Falcon & Exeter | 4 | | | | | |  |
Glasgow J | 24.1 | | | 67 | 1 | 0 | 0 | 0 | | |
| 1986 | | 24:04:46 | | Glasgow J & Loader J M | Harlow Outdoor Pursuits | 67 | | | | | |  |
Glass Vincent | 38.1 | | | 118 | 1 | 0 | 0 | 0 | | |
| 2015 | FB | 38:05:50 | | Glass Vincent & Hernaman Michael | Royal Marines Reserve | 118 | | | | | |  |
Glasspole Julian (Teddington) | 21.3 | | | 34 | 1 | 0 | 0 | 0 | | |
| 2024 | | 21:15:30 | | Glasspole Julian & Plant Laurence | Reading | 34 | | | | | |  |
Glenn Charles | 33.8 | | | 103 | 1 | 0 | 0 | 0 | | |
| 2019 | | 33:51:00 | | Glenn Charles & Hancox William | Independent | 103 | | | | | |  |
Gloster Martin | 24.0 | | | 40 | 5 | 0 | 0 | 0 | | |
| 1993 | | 24:22:25 | | Gloster Martin & Vater Mike | Worcester | 71 | | | | | |  |
| 1994 | | 22:29:16 | | Gloster Martin & Vater Mike | Worcester | 35 | | | | | |  |
| 1996 | | 26:15:35 | | Gloster Martin & Vater Mike | Worcester | 40 | | | | | |  |
| 1998 | | 22:52:09 | | Gloster Martin & Vater Mike | Worcester | 20 | | | | | |  |
| 2002 | | 23:57:44 | | Gloster Martin & Vater Mike | Worcester | 35 | | | | | |  |
Glover D M | 24.8 | | | 27 | 1 | 0 | 0 | 0 | | |
| 1996 | | 24:47:50 | | Norman M & Glover D M | Cambridge | 27 | | | | | |  |
Glover N | 26.1 | | | 82 | 1 | 0 | 0 | 0 | | |
| 1985 | | 26:06:07 | | Richards P & Glover N | Independent | 82 | | | | | |  |
Gmach J | 23.0 | | | 2 | 1 | 0 | 1 | 0 | | |
| 1964 | | 23:01:03 | | Gmach J & Johnson D | New Zealand & BCU | 2 | | | 1 | | Civilian |  |
Goad James | 22.5 | | | 40 | 1 | 0 | 0 | 0 | | |
| 2010 | | 22:28:00 | | Harry Neil & Goad James | 1 Bn Welsh Guards | 40 | | | | | |  |
Goblet D'Alviel Charlie | 26.6 | | | 49 | 1 | 0 | 0 | 0 | | |
| 2005 | | 26:35:30 | | Greaves Alex & Goblet D'Alviel Charlie | Ealing | 49 | | | | | |  |
Goch W Van | 24.1 | | | 65 | 1 | 0 | 0 | 0 | | |
| 1985 | | 24:04:44 | | Goch W Van & Polak R | Alskv Levitas | 65 | | | | | |  |
Godber Neil | 28.5 | | | 73 | 1 | 0 | 0 | 0 | | |
| 2007 | | 28:32:49 | | Dryden Piers & Godber Neil | Independent | 73 | | | | | |  |
Goddard C J | 25.4 | | | 49 | 1 | 0 | 0 | 0 | | |