 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
|---|
 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 | | |
| 2009 | | 22:56:36 | | Ledlie Nick & Grainger Jeff | Nottingham | 46 | | | | | | |
| Ledsom G | 31.5 | | | 14 | 1 | 0 | 0 | 0 | | |
| 1962 | | 31:27:00 | | Mackay D & Ledsom G | JLR RE | 14 | | | | | | |
| Lee-Gill Sam | 18.4 | | | 7 | 1 | 0 | 0 | 0 | | |
| 2023 | | 18:21:40 | | Freeman Anoushka & Lee-Gill Sam | Richmond | 7 | | | | | | |
| Lee C J | 19.1 | | | 7 | 2 | 0 | 0 | 0 | | |
| 1987 | | 18:41:02 | | Taylor M D & Lee C J | Marlow | 6 | | | | | | |
| 1990 | | 19:28:27 | | Lee C J & Taylor M D | Marlow | 8 | | | | | | |
| Lee C R | 49.9 | | | 149 | 1 | 0 | 0 | 0 | | |
| 1990 | | 49:56:15 | | Lee C R & Greenaway D L | Independent | 149 | | | | | | |
| Lee Ciara | 24.6 | | | 59 | 1 | 0 | 0 | 0 | | |
| 2019 | | 24:36:11 | | Harding Ollie & Lee Ciara | Longridge | 59 | | | | | Special | |
| Lee H D | 33.5 | | | 34 | 2 | 0 | 0 | 0 | | |
| 1966 | | 34:16:00 | | Hall J F & Lee H D | RAF West Raynham | 25 | | | | | | |
| 1967 | | 32:50:00 | | Larnach A & Lee H D | RAF West Raynham | 43 | | | | | | |
| Lee J P | 21.9 | | | 6 | 4 | 0 | 0 | 2 | | |
| 1967 | | 21:14:30 | | Green M J & Lee J P | ATURM Poole | 3 | | | | 1 | | |
| 1968 | | 22:54:30 | | Lee J P & Allen M | Royal Marines | 3 | | | | 1 | | |
| 1971 | | 21:39:46 | | Lee J P & Ennis E C | Royal Marines | 6 | | | | | | |
| 1973 | | 21:50:13 | | Dyke R J & Lee J P | Royal Marines | 10 | | | | | | |
| Lee M A | 26.8 | | | 57 | 3 | 0 | 0 | 0 | | |
| 1978 | | 27:26:36 | | Lee M A & Mankee T R | Independent | 47 | | | | | | |
| 1980 | | 23:12:40 | | Lee M A & Gardiner A C | Independent | 36 | | | | | | |
| 1994 | | 29:47:24 | | Hancox John & Lee M A | 2nd Btn Wessex Regt (V) | 88 | | | | | | |
| Lee M C J | 33.3 | | | 106 | 1 | 0 | 0 | 0 | | |
| 1989 | | 33:18:44 | | Parmenter J B & Lee M C J | Independent | 106 | | | | | | |
| Lee Michael | 23.9 | | | 47 | 1 | 0 | 0 | 0 | | |
| 2014 | | 23:54:26 | | Lee Michael & Sullivan Kieran | Army Canoe Union | 47 | | | | | | |
| Lee P W | 22.8 | | | 18 | 1 | 0 | 0 | 0 | | |
| 1972 | | 22:50:18 | | Guy M J & Lee P W | Longridge | 18 | | | | | Scouts | |
| Lee S | 26.5 | | | 97 | 1 | 0 | 0 | 0 | | |
| 1990 | | 26:27:17 | | Fallesen D & Lee S | Independent | 97 | | | | | | |
| Lee William | 25.2 | | | 40 | 1 | 0 | 0 | 0 | | |
| 2005 | | 25:12:21 | | Lee William & Caldwell Anthony | Royal Engineers | 40 | | | | | | |
| Leech A J | 48.6 | | | 74 | 2 | 0 | 0 | 0 | | |
| 1998 | | 59:35:19 | | Streather Peter & Leech A J | Independent | 62 | | | | | | |
| 1999 | | 37:40:27 | | Streather Peter & Leech A J | Independent | 85 | | | | | | |
| Leech Andrew | 30.0 | | | 70 | 1 | 0 | 0 | 0 | | |
| 2002 | | 30:02:44 | | Streather Peter & Leech Andrew | Wokingham & Independent | 70 | | | | | | |
| Leedham M A | 57.7 | | | 152 | 1 | 0 | 0 | 0 | | |
| 1990 | | 57:42:15 | | Roberts P & Leedham M A | Independent | 152 | | | | | | |
| Leek J M | 34.7 | | | 109 | 1 | 0 | 0 | 0 | | |
| 1986 | | 34:45:02 | | Leek J M & Brownhill S R | Tooting & Balham | 109 | | | | | | |
| Leeke Gary | 22.9 | | | 33 | 2 | 0 | 0 | 0 | | |
| 2010 | | 22:03:42 | | Grover Liam & Leeke Gary | Worcester | 32 | | | | | | |
| 2012 | | 23:42:16 | | Grover Liam & Leeke Gary | Worcester | 34 | | | | | | |
| Leeke Gary (Teddington) | 22.3 | | | 32 | 1 | 0 | 0 | 0 | | |
| 2022 | | 22:15:31 | | Leeke Gary & Gregory Paul | Worcester | 32 | | | | | | |
| Legate PR | 33.8 | | | 79 | 2 | 0 | 0 | 0 | | |
| 1982 | | 36:59:44 | | Legate PR & Tonkin Mike | Solent | 104 | | | | | | |
| 1983 | | 30:40:47 | | Legate PR & Tonkin Mike | Solent | 53 | | | | | | |
| Legge Hamish | 25.8 | | | 61 | 1 | 0 | 0 | 0 | | |
| 2013 | | 25:47:02 | | Chappel Jeremy & Legge Hamish | Independent | 61 | | | | | | |
| Leggott J | 35.8 | | | 82 | 3 | 0 | 0 | 0 | | |
| 1978 | | 25:27:50 | | Leggott J & Dixon G K | Bromley & Thameside | 39 | | | | | | |
| 1982 | | 54:45:52 | | Leggott J & Smith Theresa | Bromley | 111 | | | | | | |
| 1984 | | 27:15:21 | | Leggott J & Laughlin M | Bromley | 95 | | | | | | |
| Legrove B | 25.7 | | | 101 | 1 | 0 | 0 | 0 | | |
| 1987 | | 25:40:35 | | Pretty F C & Legrove B | HMS Dolphin/RNKA | 101 | | | | | | |
| Leijerstam Maria | 27.6 | | | 102 | 1 | 0 | 0 | 0 | | |
| 2014 | | 27:38:53 | | Leijerstam Maria & Macleod Nicola | Army Canoe Union | 102 | | | | | | |
 Leissing Thomas | 20.5 | | | 13 | 1 | 0 | 0 | 0 | | |