 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
Law R C | 21.7 | | | 18 | 1 | 0 | 0 | 0 | | |
| 1975 | | 21:42:40 | | Law R C & Flynn D C | Royal Navy | 18 | | | | | |  |
Lawes Vince | 27.7 | | | 102 | 1 | 0 | 0 | 0 | | |
| 2009 | | 27:41:27 | | Adshead Maurice & Lawes Vince | Ind - The Royal Oak | 102 | | | | | |  |
Lawler P S | 19.4 | | | 1 | 1 | 1 | 0 | 0 | | |
| 1971 | | 19:22:26 | | Lawler P S & Baker C J | Richmond | 1 | | 1 | | | Civilian |  |
Lawley C | 23.3 | | | 34 | 1 | 0 | 0 | 0 | | |
| 1991 | | 23:20:06 | | Blake G D & Lawley C | Royal Engineers | 34 | | | | | |  |
Lawrence C | 23.6 | | | 29 | 2 | 0 | 0 | 0 | | |
| 1983 | | 25:44:10 | | Purvis I & Lawrence C | 21 (Artists) | 31 | | | | | Reserve |  |
| 1984 | | 21:27:45 | | Lawrence C & Montgomery C W | 21 (Artists) | 26 | | | | | |  |
Lawrence James | 25.1 | | | 63 | 2 | 0 | 0 | 0 | | |
| 2014 | | 26:22:31 | | Purse John & Lawrence James | Independent | 86 | | | | | |  |
| 2016 | | 23:50:06 | | Lawrence James & Purse John | Independent | 40 | | | | | |  |
Lawrence Phillip | 21.6 | | | 16 | 1 | 0 | 0 | 0 | | |
| 2013 | | 21:37:20 | | Catto John & Lawrence Phillip | Army Canoe Union | 16 | | | | | |  |
Lawrence S P | 22.2 | | | 44 | 2 | 0 | 0 | 0 | | |
| 1987 | | 23:03:59 | | Gardiner A C & Lawrence S P | | 56 | | | | | |  |
| 1989 | | 21:16:40 | | Lawrence S P & Gardiner A C | | 31 | | | | | |  |
Lawrence Tina | 36.5 | | | 118 | 1 | 0 | 0 | 0 | | |
| 1992 | | 36:27:05 | | Lawrence Tina & Adams S | Independent | 118 | | | | | |  |
Lawrence W T | 49.4 | | | 40 | 1 | 0 | 0 | 0 | | |
| 1966 | | 49:25:10 | | Stokes M J & Lawrence W T | RAF Cranwell | 40 | | | | | |  |
Lawson C M | 22.8 | | | 46 | 2 | 0 | 0 | 0 | | |
| 1993 | | 23:05:30 | | Lawson C M & Lamb P K | Metropolitan Police | 58 | | | | | |  |
| 1995 | | 22:32:10 | | Lawson C M & Nash T | Metropolitan Police | 33 | | | | | |  |
Lawson Iain | 20.8 | | | 15 | 9 | 0 | 0 | 0 | | |
| 2013 | | 20:52:42 | | Lawson Iain & Wilson Charles | Army Canoe Union | 14 | | | | | |  |
| 2014 | | 20:45:25 | | Ives Tim & Lawson Iain | Army Canoe Union | 14 | | | | | |  |
| 2015 | | 21:15:25 | | Howson Peter & Lawson Iain | Army Canoe Union | 19 | | | | | |  |
| 2017 | | 21:16:41 | | Catto John & Lawson Iain | Royal Artillery & Royal Signals | 18 | | | | | |  |
| 2019 | | 20:50:49 | | Ives Tim & Lawson Iain | Army | 15 | | | | | Army |  |
| 2023 | | 19:42:40 | | Ives Tim & Lawson Iain | RE | 18 | | | | | Army,Services |  |
| 2026 | | 20:47:21 | | Ives Tim & Lawson Iain | Recc | 12 | | | | | |  |
| 2026 | | 20:47:21 | | Ives Tim & Lawson Iain | Recc | 12 | | | | | |  |
| 2026 | | 20:47:21 | | Ives Tim & Lawson Iain | Recc | 12 | | | | | |  |
Lawson Iain (Teddington) | 18.8 | | | 11 | 1 | 0 | 0 | 0 | | |
| 2022 | | 18:50:02 | | Ives Tim & Lawson Iain | Royal Engineers | 11 | | | | | Army |  |
Lawton C | 28.6 | | | 98 | 1 | 0 | 0 | 0 | | |
| 1986 | | 28:35:40 | | Lawton C & Dickinson P | Adur Centre | 98 | | | | | |  |
Lawton CD | 25.7 | | | 46 | 1 | 0 | 0 | 0 | | |
| 1981 | | 25:40:57 | | Lawton CD & Coslett T | Wey | 46 | | | | | |  |
Lawton Christopher | 26.9 | | | 85 | 2 | 0 | 0 | 0 | | |
| 2013 | | 27:05:58 | | Lawton Christopher & Dixon William | Independent | 81 | | | | | |  |
| 2015 | | 26:45:51 | | Lawton Christopher & Dixon William | Independent | 89 | | | | | |  |
Lawton Daniel | 24.9 | | | 55 | 1 | 0 | 0 | 0 | | |
| 2016 | | 24:51:49 | | Lawton Daniel & Maughan Jack | Army Canoe Union | 55 | | | | | |  |
Lawton P | 24.6 | | | 72 | 1 | 0 | 0 | 0 | | |
| 1986 | | 24:36:38 | | Hall J W & Lawton P | Royal Marine Cdo. Trg. Centre | 72 | | | | | |  |
Laxton A G | 30.9 | | | 50 | 1 | 0 | 0 | 0 | | |
| 1978 | | 30:54:50 | | Laxton A G & Mardel S N | St Marys Hospital | 50 | | | | | |  |
Lay Christopher | 24.2 | | | 37 | 5 | 0 | 0 | 0 | | |
| 2009 | | 21:00:16 | | Lay Christopher & Parry Matthew | Royal Engineers | 21 | | | | | |  |
| 2013 | | 20:49:04 | | Lay Christopher & Irwin Gareth | Army Canoe Union | 10 | | | | | Army,Services |  |
| 2014 | | 22:42:22 | | Lay Christopher & Lay Rebecca | Southampton | 35 | | | | | |  |
| 2017 | | 20:12:59 | | Lay Christopher & Ives Tim | Royal Engineers | 9 | | | | | |  |
| 2019 | FB | 36:16:16 | | Willis Robert & Lay Christopher | Army | 108 | | | | | |  |
Lay Rebecca | 24.5 | | | 54 | 2 | 0 | 0 | 0 | | |
| 2014 | | 22:42:22 | | Lay Christopher & Lay Rebecca | Southampton | 35 | | | | | |  |
| 2016 | | 26:20:12 | | Lay Rebecca & Swinyard Lorna | Army Canoe Union | 72 | | | | | |  |
Lay Simon | 27.6 | | | 71 | 1 | 0 | 0 | 0 | | |
| 2011 | | 27:39:37 | | Lay Simon & Login Craig | Hms Collingwood & Newbury | 71 | | | | | |  |
Laycock Carol | 24.0 | | | 77 | 2 | 0 | 0 | 0 | | |
| 1987 | | 24:04:09 | | Laycock Carol & McLaren Lyn | Windsor | 80 | | | | | |  |
| 1988 | | 23:51:00 | | McLaren Lyn & Laycock Carol | Windsor | 74 | | | | | |  |
Laycock M | 36.8 | | | 86 | 1 | 0 | 0 | 0 | | |
| 1981 | | 36:48:01 | | Longworth S J & Laycock M | 1st. Green Howards & 1st Green Howards | 86 | | | | | |  |
Layfield Meg | 61.7 | | | 124 | 1 | 0 | 0 | 0 | | |
| 1993 | C2 | 61:43:00 | | Layfield Meg & Street R N | Pangbourne Advent. Dolphin | 124 | | | | | |  |
Layton Ashleigh (Teddington) | 20.0 | | | 21 | 1 | 0 | 0 | 0 | | |
| 2022 | | 19:59:49 | | Goodall Joshua & Layton Ashleigh | Royal Engineers | 21 | | | | | |  |
Le Prevost Louie | 23.9 | | | 56 | 1 | 0 | 0 | 0 | | |
| 2015 | | 23:55:53 | | Le Prevost Louie & Willis Robert | Acu - Royal Engineers | 56 | | | | | |  |
Le Roux Christiaan | 19.7 | | | 10 | 1 | 0 | 0 | 0 | | |
| 2010 | | 19:42:11 | | Dodds Jeremy & Le Roux Christiaan | 2 Para | 10 | | | | | |  |
Lea Edward | 25.5 | | | 66 | 1 | 0 | 0 | 0 | | |
| 2017 | | 25:30:32 | | Oliver Jonathan & Lea Edward | Independent | 66 | | | | | |  |
Leach D | 25.5 | | | 9 | 1 | 0 | 0 | 0 | | |
| 1965 | | 25:28:06 | | Leach D & Sinon R | 1st Royal Welch F | 9 | | | | | |  |
Leach P L | 22.2 | | | 8 | 1 | 0 | 0 | 0 | | |
| 1976 | | 22:11:25 | | Pearce M C & Leach P L | Royal Marines | 8 | | | | | |  |
Leach S L | 40.1 | | | 68 | 1 | 0 | 0 | 0 | | |
| 1980 | | 40:08:45 | | Rex A K & Leach S L | Independent | 68 | | | | | |  |
Leaver R | 37.0 | | | 35 | 3 | 0 | 0 | 0 | | |
| 1961 | | 34:58:30 | | Leaver R & Aylmer O E | Royal Marines | 38 | | | | | |  |
| 1962 | | 39:18:30 | | Leaver R & Aylmer O E | Royal Marines Forces Volunteer Reserve | 33 | | | | | |  |
| 1963 | | 36:40:51 | | Leaver R & Aylmer O E | Royal Marines Forces Volunteer Reserve - City of London | 34 | | | | | |  |
Leblanche Scott | 19.5 | | | 9 | 2 | 0 | 0 | 0 | | |
| 2023 | | 18:57:33 | | Leblanche Scott & Balla Almir | Barking & Dagenham | 11 | | | | | |  |
| 2025 | | 20:02:17 | | Balla Almir & Leblanche Scott | Barking & Dagenham | 7 | | | | | |  |
Leddy J | 23.0 | | | 48 | 2 | 0 | 0 | 0 | | |
| 1993 | | 23:20:00 | | Leddy J & Swain P | Leaside YMYC | 61 | | | | | |  |
| 1995 | | 22:37:20 | | Leddy J & Rediker Claudia | Leaside | 35 | | | | | |  |
Ledger J | 39.0 | | | 68 | 1 | 0 | 0 | 0 | | |
| 1983 | | 39:01:50 | | Hicks G & Ledger J | Basingstoke Canal | 68 | | | | | |  |
Ledger Jo | 30.4 | | | 56 | 1 | 0 | 0 | 0 | | |
| 1981 | | 30:23:00 | | Booth Ann-Marie & Ledger Jo | Independent | 56 | | | | | Veteran |  |
Ledger M J | 36.1 | | | 54 | 1 | 0 | 0 | 0 | | |
| 1978 | | 36:08:30 | | Craw Gillian & Ledger M J | Westel | 54 | | | | | |  |
Ledlie Nick | 22.9 | | | 46 | 1 | 0 | 0 | 0 | | |