 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
Lowndes E | 44.1 | | | 55 | 1 | 0 | 0 | 0 | | |
| 1972 | | 44:05:38 | | Lowndes E & Bingham V E | 2nd Royal Green Jackets | 55 | | | | | |  |
Lowndes R W | 25.9 | | | 31 | 1 | 0 | 0 | 0 | | |
| 1977 | | 25:52:15 | | Dawkins P & Lowndes R W | Nottingham | 31 | | | | | |  |
Lucas D J | 59.9 | | | 147 | 1 | 0 | 0 | 0 | | |
| 1986 | | 59:53:10 | | Lucas Margaret E & Lucas D J | Challenger Outdoor Pursuits Group | 147 | | | | | |  |
Lucas Edward | 21.5 | | | 17 | 1 | 0 | 0 | 0 | | |
| 2007 | | 21:28:37 | | Kerr-Shaw Benjamin & Lucas Edward | RMA Sandhurst | 17 | | | | | |  |
Lucas G | 24.2 | | | 33 | 1 | 0 | 0 | 0 | | |
| 1978 | | 24:11:00 | | Edwards G T & Lucas G | Llantwit Major SLSC | 33 | | | | | Home Built |  |
Lucas Margaret E | 59.9 | | | 147 | 1 | 0 | 0 | 0 | | |
| 1986 | | 59:53:10 | | Lucas Margaret E & Lucas D J | Challenger Outdoor Pursuits Group | 147 | | | | | |  |
Lucas Tom | 26.3 | | | 86 | 1 | 0 | 0 | 0 | | |
| 2009 | | 26:16:58 | | Lucas Tom & Harris Will | Plymouth | 86 | | | | | |  |
Luck Peter | 25.9 | | | 46 | 1 | 0 | 0 | 0 | | |
| 2006 | | 25:52:24 | | Mounde David & Luck Peter | Richmond | 46 | | | | | |  |
Ludlow Alex | 22.0 | | | 23 | 1 | 0 | 0 | 0 | | |
| 2019 | | 21:59:52 | | Cragie Josh & Ludlow Alex | Army | 23 | | | | | |  |
Lukanovich K L | 20.9 | | | 30 | 1 | 0 | 0 | 0 | | |
| 1987 | | 20:56:59 | | Lukanovich K L & Hussack D | Windsor | 30 | | | | | Veteran |  |
Luke T | 35.6 | | | 74 | 1 | 0 | 0 | 0 | | |
| 1981 | | 35:38:43 | | Luke T & Walton A | Junior Soldier's Battalion | 74 | | | | | |  |
Lummes Ryan | 22.2 | | | 21 | 2 | 0 | 0 | 0 | | |
| 2005 | | 22:44:04 | | Korologa Filimoni & Lummes Ryan | Royal Engineers | 22 | | | | | |  |
| 2007 | | 21:40:24 | | Parkinson Austin & Lummes Ryan | Royal Engineers | 19 | | | | | |  |
Lund M S | 19.0 | | | 6 | 4 | 0 | 0 | 2 | | |
| 1977 | | 20:42:00 | | Griffiths R & Lund M S | Newham | 11 | | | | | |  |
| 1979 | | 18:35:35 | | Lund M S & Foster P | Newham | 8 | | | | | |  |
| 1980 | | 18:10:05 | | Thorogood R G & Lund M S | Newham | 3 | | | | 1 | |  |
| 1984 | | 18:21:44 | | Price R & Lund M S | Havering Racing Squad | 3 | | | | 1 | Lee |  |
Lunt Charles | 26.6 | | | 91 | 1 | 0 | 0 | 0 | | |
| 2014 | C2 | 26:38:13 | | Lunt Charles & Marks William | Wey | 91 | | | | | |  |
Lupton N | 39.9 | | | 137 | 1 | 0 | 0 | 0 | | |
| 1984 | | 39:56:23 | | Scarisbrick E & Lupton N | Stonyhurst F | 137 | | | | | |  |
Lush A C | 27.2 | | | 53 | 1 | 0 | 0 | 0 | | |
| 1980 | | 27:11:10 | | Lush A C & Bryant A P | BLESMA & Wey | 53 | | | | | |  |
Lush T | 22.1 | | | 22 | 1 | 0 | 0 | 0 | | |
| 1975 | | 22:08:54 | | Smith G & Lush T | Gloucester | 22 | | | | | |  |
Lusted Aarron | 27.3 | | | 98 | 1 | 0 | 0 | 0 | | |
| 2014 | | 27:18:11 | | Lusted Aarron & Reed Drew | Maidstone | 98 | | | | | |  |
Lutas Neil | 29.4 | | | 99 | 1 | 0 | 0 | 0 | | |
| 2017 | FB | 29:25:50 | | Batchelor James & Lutas Neil | RMKA | 99 | | | | | |  |
Luton Mark | 24.8 | | | 63 | 2 | 0 | 0 | 0 | | |
| 2010 | | 24:25:42 | | Luton Mark & Pender Kieron | Metropolitan Police | 73 | | | | | |  |
| 2013 | | 25:10:31 | | Stobbart Daniel & Luton Mark | Metropolitan Police | 53 | | | | | Police |  |
Luzmore Frank | 49.9 | | | 0 | 1 | 0 | 0 | 0 | | |
| 1949 | | 49:53:00 | | Luzmore Frank & Ross Henry | Richmond | | | | | | |  |
Lyddiatt D | 29.9 | | | 98 | 1 | 0 | 0 | 0 | | |
| 1989 | | 29:52:23 | | Jeddere-Rsher K C & Lyddiatt D | Marlow | 98 | | | | | |  |
Lydford Gary | 32.1 | | | 94 | 1 | 0 | 0 | 0 | | |
| 2016 | | 32:04:24 | | Boast Neil & Lydford Gary | Boc Paddlesport | 94 | | | | | |  |
Lye P | 32.0 | | | 69 | 1 | 0 | 0 | 0 | | |
| 1999 | | 32:00:13 | | Morgan S & Lye P | Independent | 69 | | | | | |  |
Lyle I C | 36.5 | | | 60 | 1 | 0 | 0 | 0 | | |
| 1996 | | 36:31:10 | | Ives Tim & Lyle I C | Manchester & Salford University OTC | 60 | | | | | |  |
Lynch Karen Marie | 24.7 | | | 68 | 1 | 0 | 0 | 0 | | |
| 1990 | | 24:42:09 | | Lynch Karen Marie & Newton C T | Leaside | 68 | | | | | |  |
Lynch M | 35.8 | | | 111 | 1 | 0 | 0 | 0 | | |
| 1986 | | 35:50:56 | | Cook A D & Lynch M | Nelson/Staff & Stone | 111 | | | | | |  |
Lynch Maria | 26.4 | | | 87 | 1 | 0 | 0 | 0 | | |
| 2014 | | 26:22:55 | | Lynch Maria & Ogeman Elin | Southampton | 87 | | | | | |  |
Lynch Mike J | 31.2 | | | 45 | 1 | 0 | 0 | 0 | | |
| 1975 | | 31:14:14 | | Cernis R A & Lynch Mike J | Roundwood Y C | 45 | | | | | |  |
Lynch Rory | 29.8 | | | 101 | 1 | 0 | 0 | 0 | | |
| 2017 | FB | 29:48:41 | | James Robert & Lynch Rory | Artists Rifles | 101 | | | | | |  |
Lynock M T | 20.8 | | | 19 | 1 | 0 | 0 | 0 | | |
| 1979 | | 20:47:55 | | Lynock M T & Beecroft T | Royal Engineers | 19 | | | | | |  |
Lyon G | 22.5 | | | 28 | 1 | 0 | 0 | 0 | | |
| 1980 | | 22:29:30 | | McGladdery G M & Lyon G | Hereford | 28 | | | | | |  |
Lyon taylor James | 36.3 | | | 129 | 1 | 0 | 0 | 0 | | |
| 2009 | | 36:17:30 | | Lyon taylor James & Harvey Thomas | Independent | 129 | | | | | |  |
Lyons Harvey | 21.6 | | | 17 | 1 | 0 | 0 | 0 | | |
| 2005 | | 21:36:44 | | Lyons Harvey & Sanchez Pablo | Bristol & Club Nautico Sevilla | 17 | | | | | |  |
Lyons Joe | 20.5 | | | 14 | 1 | 0 | 0 | 0 | | |
| 2009 | | 20:29:04 | | Adie Edward & Lyons Joe | Canford School | 14 | | | | | |  |
Lyons Matthew | 30.7 | | | 60 | 1 | 0 | 0 | 0 | | |
| 2005 | | 30:43:00 | | Lyons Matthew & Albrow Paul | Royal Marines Reserve - Chatham | 60 | | | | | |  |
Lyttelton Thomas | 26.8 | | | 45 | 1 | 0 | 0 | 0 | | |
| 2008 | | 26:50:04 | | Grant Simon & Lyttelton Thomas | Bristol UOTC | 45 | | | | | |  |
Lyttelton Tom | 23.9 | | | 59 | 1 | 0 | 0 | 0 | | |
| 2009 | | 23:56:13 | | Fisher Chris & Lyttelton Tom | RMA Sandhurst | 59 | | | | | |  |
Mabin D E | 42.4 | | | 45 | 2 | 0 | 0 | 0 | | |
| 1976 | | 48:48:20 | | Erdman G M & Mabin D E | Endeavour | 45 | | | | | |  |
| 1977 | | 35:59:41 | | Erdman G M & Mabin D E | Endeavour | 45 | | | | | |  |
Macalister J | 38.0 | | | 90 | 1 | 0 | 0 | 0 | | |
| 1997 | | 37:57:17 | | Macalister J & Heppenstall I B | Seae | 90 | | | | | |  |
Maccallum Iain | 25.5 | | | 42 | 1 | 0 | 0 | 0 | | |
| 2005 | | 25:31:57 | | Maccallum Iain & Mackenzie Brian | Royal Electrical & Mechanical Engineers | 42 | | | | | |  |
Macdonald A M | 21.0 | | | 32 | 1 | 0 | 0 | 0 | | |
| 1982 | | 21:02:22 | | O'Neill B & Macdonald A M | Liverpool University | 32 | | | | | |  |
Macdonald D R | 23.5 | | | 65 | 1 | 0 | 0 | 0 | | |
| 1993 | | 23:27:00 | | Macdonald D R & English Lisa Hannah | Royal Marines | 65 | | | | | |  |
Macdonald Luke | 32.0 | | | 94 | 1 | 0 | 0 | 0 | | |
| 2012 | | 32:02:18 | | Wright Michael & Macdonald Luke | ATC Pirbright | 94 | | | | | |  |
Macdonald Oliver | 33.2 | | | 124 | 1 | 0 | 0 | 0 | | |
| 2009 | | 33:10:49 | | Macdonald Peter & Macdonald Oliver | Independent | 124 | | | | | |  |
Macdonald P J | 32.6 | | | 101 | 1 | 0 | 0 | 0 | | |
| 1993 | | 32:38:05 | | Macdonald P J & Chapman R C | 1 st Wraysbury Scouts | 101 | | | | | |  |
Macdonald Peter | 33.2 | | | 124 | 1 | 0 | 0 | 0 | | |
| 2009 | | 33:10:49 | | Macdonald Peter & Macdonald Oliver | Independent | 124 | | | | | |  |