 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
Lewis S G | 24.9 | | | 33 | 1 | 0 | 0 | 0 | | |
| 1972 | | 24:51:00 | | Stevens P W & Lewis S G | Wey | 33 | | | | | |  |
Lewis Susan Elizabeth | 74.3 | | | 160 | 1 | 0 | 0 | 0 | | |
| 1990 | | 74:20:42 | | Lewis Susan Elizabeth & Jenkins Linda Karen | Independent | 160 | | | | | |  |
Leworthy Antony | 36.7 | | | 115 | 1 | 0 | 0 | 0 | | |
| 2015 | | 36:40:00 | | Findlay Adam & Leworthy Antony | Hampton | 115 | | | | | |  |
Leworthy Tony | 30.3 | | | 103 | 1 | 0 | 0 | 0 | | |
| 2017 | C2 | 30:16:53 | | Leworthy Tony & Fisher Richard | Hampton | 103 | | | | | |  |
Leysen J | 20.7 | | | 20 | 1 | 0 | 0 | 0 | | |
| 1986 | | 20:42:26 | | Leysen P & Leysen J | Kastelse Belgium | 20 | | | | | |  |
Leysen P | 20.6 | | | 26 | 6 | 0 | 0 | 0 | | |
| 1985 | | 24:23:51 | | Leysen P & Roey F Van | Kastelse Belgium | 68 | | | | | |  |
| 1986 | | 20:42:26 | | Leysen P & Leysen J | Kastelse Belgium | 20 | | | | | |  |
| 1987 | | 20:03:00 | | Leysen P & Verschueren E | Kastelse Belgium | 20 | | | | | Overseas |  |
| 1988 | | 19:58:15 | | Leysen P & | Kastelse Belgium & | | | | | | |  |
| 1989 | | 19:27:46 | | Leysen P & Verschueren E | Kastelse Belgium | 11 | | | | | |  |
| 1995 | | 18:52:25 | | Leysen P & Jacobs G | Kastelse Belgium | 11 | | | | | Overseas |  |
Li Peter | 26.5 | | | 89 | 1 | 0 | 0 | 0 | | |
| 2014 | C2 | 26:28:57 | | Li Peter & Yeung Sutton | Barking & Dagenham & Royal | 89 | | | | | |  |
Liddicoat A | 37.7 | | | 41 | 1 | 0 | 0 | 0 | | |
| 1969 | | 37:41:02 | | Liddicoat A & Green R | 35 Corps Engineer Regt | 41 | | | | | |  |
Liddicoate T | 22.3 | | | 16 | 1 | 0 | 0 | 0 | | |
| 1972 | | 22:15:26 | | Evans A & Liddicoate T | Royal Engineers | 16 | | | | | |  |
Liggins Peter | 30.6 | | | 122 | 1 | 0 | 0 | 0 | | |
| 2014 | | 30:39:28 | | Hughes Tom & Liggins Peter | Independent | 122 | | | | | |  |
Light R G | 24.4 | | | 25 | 1 | 0 | 0 | 0 | | |
| 1996 | | 24:21:05 | | Light R G & Maidment A P | Cricket | 25 | | | | | |  |
Lilley | 24.1 | | | 6 | 1 | 0 | 0 | 0 | | |
| 1965 | | 24:08:35 | | Bosher M & Lilley | Royal | 6 | | | | | Civilian |  |
Lilley C | 23.8 | | | 53 | 1 | 0 | 0 | 0 | | |
| 1984 | | 23:49:28 | | Eastgate J C & Lilley C | Hemel Hempstead | 53 | | | | | |  |
Lillicrap I A | 31.8 | | | 79 | 1 | 0 | 0 | 0 | | |
| 1991 | | 31:48:30 | | Greenfield I M & Lillicrap I A | Bramshill Scout Fellowship | 79 | | | | | |  |
Lilly Angus | 24.7 | | | 53 | 1 | 0 | 0 | 0 | | |
| 2016 | | 24:43:19 | | Hirst David & Lilly Angus | RAF Canoe Association | 53 | | | | | RAF |  |
Limbrick S M | 38.0 | | | 115 | 1 | 0 | 0 | 0 | | |
| 1985 | | 38:03:10 | | Pittams K L & Limbrick S M | Independent | 115 | | | | | |  |
Limbu Ganga | 37.8 | | | 130 | 1 | 0 | 0 | 0 | | |
| 2014 | FB | 37:46:19 | | Limbu Ganga & Martell Charles | Army Canoe Union | 130 | | | | | |  |
Lincoln B J | 20.9 | | | 23 | 4 | 0 | 0 | 0 | | |
| 1988 | | 20:29:45 | | Lincoln B J & Hodgson C G | Wokingham Scouts | 27 | | | | | |  |
| 1991 | | 23:34:07 | | Lincoln K J & Lincoln B J | Wokingham Scouts | 39 | | | | | |  |
| 1995 | | 20:17:00 | | Fielden Paul & Lincoln B J | Bradford on Avon & Wokingham Scouts | 20 | | | | | |  |
| 1996 | | 19:06:12 | | Fielden Paul & Lincoln B J | Bradford on Avon | 5 | | | | | |  |
Lincoln K J | 21.9 | | | 28 | 2 | 0 | 0 | 0 | | |
| 1986 | | 20:18:18 | | Williams D J & Lincoln K J | Wokingham Scouts | 17 | | | | | |  |
| 1991 | | 23:34:07 | | Lincoln K J & Lincoln B J | Wokingham Scouts | 39 | | | | | |  |
Lindop Holly | 25.1 | | | 81 | 1 | 0 | 0 | 0 | | |
| 2010 | | 25:08:13 | | Bouch Mark & Lindop Holly | Devizes | 81 | | | | | |  |
Lindsay Craig | 26.4 | | | 61 | 1 | 0 | 0 | 0 | | |
| 2011 | | 26:22:05 | | Lindsay Craig & Ryan Enda | Southampton | 61 | | | | | |  |
Lindsay Jeff | 24.5 | | | 56 | 1 | 0 | 0 | 0 | | |
| 2014 | | 24:32:00 | | Berchtold Oliver & Lindsay Jeff | Richmond | 56 | | | | | |  |
Lindsey R | 28.1 | | | 102 | 1 | 0 | 0 | 0 | | |
| 1984 | | 28:07:01 | | Powell M & Lindsey R | Independent | 102 | | | | | |  |
Line R J | 30.4 | | | 71 | 1 | 0 | 0 | 0 | | |
| 1997 | | 30:24:58 | | Rogers R I & Line R J | Woodmill | 71 | | | | | |  |
Linington M W | 33.9 | | | 89 | 1 | 0 | 0 | 0 | | |
| 1991 | | 33:53:27 | | Guy Damon & Linington M W | Surrey Docks Sports Centre & Adt London Marathon | 89 | | | | | |  |
Linkin P | 72.9 | | | 159 | 1 | 0 | 0 | 0 | | |
| 1990 | | 72:56:40 | | Linkin P & Coleman C J | Portsmouth Poly | 159 | | | | | |  |
Linton Andrew | 26.0 | | | 83 | 1 | 0 | 0 | 0 | | |
| 2015 | | 26:00:51 | | Linton Andrew & Sanderson Michael | Independent | 83 | | | | | |  |
Lister R J | 47.2 | | | 126 | 1 | 0 | 0 | 0 | | |
| 1992 | | 47:13:30 | | Lister R J & Bowskill M A | South Humber District S | 126 | | | | | |  |
Litherland J F | 29.8 | | | 2 | 2 | 0 | 2 | 0 | | |
| 1950 | | 35:12:00 | | Bruce H G & Litherland J F | RM Amphibious School | 2 | | | 1 | | |  |
| 1951 | | 24:21:00 | | Bruce H G & Litherland J F | RM Amphibious School | 2 | | | 1 | | |  |
Little Alexander | 21.7 | | | 23 | 1 | 0 | 0 | 0 | | |
| 2015 | | 21:43:19 | | Hayward Sam & Little Alexander | Devizes | 23 | | | | | |  |
Little M | 29.4 | | | 57 | 1 | 0 | 0 | 0 | | |
| 1979 | | 29:24:37 | | Park J D L & Little M | West Midlands Police | 57 | | | | | |  |
Little R J | 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 | | | | | |  |
Littlehales Kevin | 19.6 | | | 7 | 1 | 0 | 0 | 0 | | |
| 2008 | | 19:33:15 | | Littlehales Kevin & Unwin Nigel | Bristol & Bradford On Avon | 7 | | | | | Lee |  |
Livermore Luke | 21.4 | | | 24 | 1 | 0 | 0 | 0 | | |
| 2009 | | 21:24:15 | | Morris Sean & Livermore Luke | Royal Engineers | 24 | | | | | |  |
Livesey D M | 25.5 | | | 56 | 1 | 0 | 0 | 0 | | |
| 1995 | | 25:28:30 | | Graham M D & Livesey D M | Wellington College | 56 | | | | | |  |
Livingstone Duncan | 23.6 | | | 41 | 3 | 0 | 0 | 0 | | |
| 2014 | | 23:49:26 | | Johnson Gary & Livingstone Duncan | Independent | 46 | | | | | |  |
| 2017 | | 23:57:23 | | Johnson Gary & Livingstone Duncan | Artists Rifles | 43 | | | | | |  |
| 2019 | | 23:01:28 | | Johnson Gary & Livingstone Duncan | Artists Rifles | 33 | | | | | |  |
Livingstone N M | 32.4 | | | 102 | 3 | 0 | 0 | 0 | | |
| 1989 | | 34:19:32 | | Jones C D & Livingstone N M | Independent | 108 | | | | | |  |
| 1990 | | 27:22:10 | | Livingstone N M & Worsley S D | Lowestoft & District | 106 | | | | | |  |
| 1995 | | 35:24:55 | | Livingstone N M & Jones C D | Lowestoft & District | 91 | | | | | |  |
Llewellyn Gareth | 23.7 | | | 53 | 1 | 0 | 0 | 0 | | |
| 2009 | | 23:40:27 | | Adams Peter & Llewellyn Gareth | Macclesfield & District | 53 | | | | | |  |
Llewelyn-Usher Henry | 22.6 | | | 25 | 1 | 0 | 0 | 0 | | |
| 2013 | | 22:37:16 | | Seddon Andrew & Llewelyn-Usher Henry | Grenadier Guards & Welsh Guards | 25 | | | | | |  |
lllston A | 24.7 | | | 91 | 1 | 0 | 0 | 0 | | |
| 1987 | C2 | 24:41:20 | | Brant B C & lllston A | Melton District Scout | 91 | | | | | |  |
Lloyd C P | 45.6 | | | 55 | 1 | 0 | 0 | 0 | | |
| 1971 | | 45:37:24 | | Lloyd C P & Imamzade Z | RAF Abington | 55 | | | | | |  |
Lloyd P | 40.5 | | | 98 | 2 | 0 | 0 | 0 | | |