 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
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 | | |
| 2017 | | 20:27:05 | | Freeland Jeremy & Leissing Thomas | Falcon | 13 | | | | | |  |
Lemin Jim | 27.9 | | | 85 | 5 | 0 | 0 | 0 | | |
| 1990 | | 38:13:18 | | Lemin Jim & Bales R | Pangbourne Advent. Dolphin | 144 | | | | | |  |
| 1994 | | 23:41:59 | | Lemin Jim & Lambley Judy | Pangbourne | 46 | | | | | |  |
| 1997 | | 26:45:12 | | Lemin Jim & Boatman Esther Jean | Reading | 50 | | | | | Vet Ladies,Veteran |  |
| 2000 | | 21:45:00 | | Purchase Maureen & Lemin Jim | Pangbourne | | | | | | |  |
| 2017 | | 29:07:16 | | Lemin Jim & Stacey Ruth | Pangbourne | 98 | | | | | |  |
Lenart Jozsef | 22.1 | | | 21 | 1 | 0 | 0 | 0 | | |
| 2013 | | 22:05:19 | | Ivanics Casaba & Lenart Jozsef | Ealing & Cardiff Bay Kayakers | 21 | | | | | |  |
Lenn C | 23.4 | | | 51 | 1 | 0 | 0 | 0 | | |
| 1990 | | 23:24:08 | | Lenn C & Beard R J | Viking | 51 | | | | | |  |
Lenn C P | 26.1 | | | 83 | 1 | 0 | 0 | 0 | | |
| 1989 | | 26:08:32 | | Lenn C P & Gufeert A R | Scrap Merchants | 83 | | | | | |  |
Lennon Camilla | 29.7 | | | 56 | 1 | 0 | 0 | 0 | | |
| 2008 | | 29:43:53 | | Henson Erica & Lennon Camilla | Hemel Hempstead | 56 | | | | | |  |
Leo M C J | 29.3 | | | 93 | 1 | 0 | 0 | 0 | | |
| 1992 | | 29:16:25 | | Ward C A & Leo M C J | Independent | 93 | | | | | |  |
Leroy V | 34.5 | | | 42 | 4 | 0 | 0 | 0 | | |
| 1969 | | 40:14:41 | | Rentiers A & Leroy V | Para-Commando Belgium | 46 | | | | | |  |
| 1970 | | 36:44:32 | | Rentiers A & Leroy V | Para-Commando Belgium | 41 | | | | | |  |
| 1971 | | 33:22:25 | | Rentiers A & Leroy V | Para-Commando Belgium | 42 | | | | | |  |
| 1975 | | 27:39:35 | | Leroy V & Comblez V | Para-Commando Belgium | 39 | | | | | |  |
Leslie D | 29.5 | | | 68 | 2 | 0 | 0 | 0 | | |
| 1982 | | 27:26:54 | | Leslie D & Roche D | 47th Newham Scouts | 81 | | | | | |  |
| 1983 | | 31:32:04 | | Leslie D & Johnson C | Independent | 55 | | | | | |  |
Leslie David | 32.1 | | | 64 | 1 | 0 | 0 | 0 | | |
| 2004 | | 32:08:40 | | Leslie David & Sullivan Peter | Independent | 64 | | | | | |  |
Lester Wiktoria | 21.0 | | | 34 | 1 | 0 | 0 | 0 | | |
| 1993 | | 20:57:10 | | Daniels Nick & Lester Wiktoria | Reading and Leighton Park | 34 | | | | | |  |
Letts R D | 39.4 | | | 17 | 1 | 0 | 0 | 0 | | |
| 1959 | | 39:25:10 | | Letts R D & Hume R J | RMA Sandhurst | 17 | | | | | |  |
Levai Gabor | 18.6 | | | 3 | 1 | 0 | 0 | 1 | | |
| 2011 | | 18:35:41 | | Neale Clive & Levai Gabor | Tonbridge | 3 | | | | 1 | |  |
Lewandowskyj I | 21.8 | | | 36 | 1 | 0 | 0 | 0 | | |
| 1986 | | 21:50:45 | | Lewandowskyj I & Jeyes J | 8th Regiment RCT | 36 | | | | | |  |
Lewin M A | 39.5 | | | 69 | 1 | 0 | 0 | 0 | | |
| 1983 | | 39:32:00 | | Lewin M A & Janczak B R | RNA | 69 | | | | | |  |
Lewis A | 56.6 | | | 60 | 1 | 0 | 0 | 0 | | |
| 1961 | | 56:38:00 | | Lewis A & Phipps P | Barts Hospital | 60 | | | | | |  |
Lewis Alun | 26.8 | | | 69 | 1 | 0 | 0 | 0 | | |
| 2012 | | 26:45:20 | | Lewis Chris & Lewis Alun | Pangbourne | 69 | | | | | |  |
Lewis C | 26.7 | | | 23 | 1 | 0 | 0 | 0 | | |
| 1973 | | 26:40:11 | | Lewis C & Richards J M | Independent | 23 | | | | | |  |
Lewis C F M | 20.4 | | | 15 | 5 | 0 | 0 | 0 | | |
| 1986 | | 19:34:34 | | Tandy Ted & Lewis C F M | Devizes School | 10 | | | | | |  |
| 1987 | | 19:39:01 | | Tandy Ted & Lewis C F M | Old Timers | 17 | | | | | |  |
| 1988 | | 19:47:10 | | Tandy Ted & Lewis C F M | Royal Marine Association | 12 | | | | | |  |
| 1990 | | 20:41:40 | | Tandy Ted & Lewis C F M | Royal Marines | 19 | | | | | |  |
| 1996 | | 22:25:15 | | Tandy Ted & Lewis C F M | Royal Marines | 16 | | | | | Veteran |  |
Lewis Chris | 26.6 | | | 60 | 2 | 0 | 0 | 0 | | |
| 2004 | | 26:27:02 | | Acreman Malcolm & Lewis Chris | Poole Harbour | 50 | | | | | |  |
| 2012 | | 26:45:20 | | Lewis Chris & Lewis Alun | Pangbourne | 69 | | | | | |  |
Lewis Gavin | 27.9 | | | 70 | 3 | 0 | 0 | 0 | | |
| 2006 | | 26:07:13 | | Lewis Gavin & Clarke Nathan | Cotswold Outdoor.com & Independent | 48 | | | | | |  |
| 2008 | | 29:19:03 | | Jones Steven & Lewis Gavin | Cotswold Outdoor.com | 54 | | | | | |  |
| 2014 | C2 | 28:16:54 | | Jones Steven & Lewis Gavin | Independent & Stroud Valley | 109 | | | | | |  |
Lewis H | 23.5 | | | 11 | 1 | 0 | 0 | 0 | | |
| 1970 | | 23:31:03 | | Houldsworth A & Lewis H | 3 Para | 11 | | | | | |  |
Lewis H V | 19.4 | | | 9 | 1 | 0 | 0 | 0 | | |
| 1986 | | 19:22:48 | | Gargan Frank & Lewis H V | 63 Squad RCT | 9 | | | | | |  |
Lewis I | 38.8 | | | 38 | 1 | 0 | 0 | 0 | | |
| 1963 | | 38:46:14 | | Parker N & Lewis I | 11th Signals | 38 | | | | | |  |
Lewis I J | 24.1 | | | 15 | 1 | 0 | 0 | 0 | | |
| 1971 | | 24:06:24 | | Lewis I J & Robertson P | Royal Marines | 15 | | | | | |  |
Lewis J | 24.9 | | | 39 | 2 | 0 | 0 | 0 | | |
| 1998 | | 25:13:47 | | Cohen Lucas & Lewis J | Artists Rifles | 37 | | | | | |  |
| 1999 | | 24:35:01 | | Cohen Lucas & Lewis J | Artists Rifles | 40 | | | | | Reserve |  |
Lewis J A | 22.8 | | | 29 | 1 | 0 | 0 | 0 | | |
| 1999 | | 22:49:08 | | Rodden J P & Lewis J A | Royal Engineers | 29 | | | | | |  |
Lewis J B | 23.8 | | | 40 | 1 | 0 | 0 | 0 | | |
| 1979 | | 23:48:40 | | Thomas C & Lewis J B | Wiltshire Police | 40 | | | | | |  |
Lewis M A | 39.7 | | | 25 | 2 | 0 | 0 | 0 | | |
| 1958 | | 57:26:00 | | Lewis M A & Rive R | Hayes Youth Club | 10 | | | | | |  |
| 1989 | | 22:04:13 | | Webb R J & Lewis M A | Endeavour | 39 | | | | | |  |
Lewis P H | 24.1 | | | 44 | 1 | 0 | 0 | 0 | | |
| 1995 | | 24:09:10 | | Lewis P H & Critchley R D | 36 Engineer Regiment | 44 | | | | | |  |
Lewis Piers | 24.0 | | | 60 | 1 | 0 | 0 | 0 | | |