 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
McKenzie A | 29.4 | | | 16 | 1 | 0 | 0 | 0 | | |
| 1964 | | 29:23:35 | | McKenzie A & Peacock B | Metropolitan Police | 16 | | | | | |  |
McKenzie C | 27.0 | | | 14 | 1 | 0 | 0 | 0 | | |
| 1961 | | 26:58:00 | | McKenzie C & Godwin T | 1 Para | 14 | | | | | |  |
McKenzie I | 38.0 | | | 45 | 2 | 0 | 0 | 0 | | |
| 1961 | | 43:33:00 | | McKenzie I & Towes J | Metropolitan River Police | 48 | | | | | |  |
| 1967 | | 32:24:30 | | Peacock B & McKenzie I | Metropolitan Police AA | 41 | | | | | |  |
McKerr Darryl | 38.6 | | | 107 | 2 | 0 | 0 | 0 | | |
| 2007 | | 33:31:47 | | Hoey Stephen & McKerr Darryl | RMA Sandhurst | 80 | | | | | |  |
| 2009 | FB | 43:40:59 | | McKerr Darryl & Street Martin | 23 Engineer Regiment (Air Asslt) | 133 | | | | | |  |
McKinlay | 38.2 | | | 11 | 1 | 0 | 0 | 0 | | |
| 1951 | | 38:15:00 | | McKinlay & Acton | HMS Lochinvar | 11 | | | | | |  |
McKinley D B | 40.5 | | | 56 | 1 | 0 | 0 | 0 | | |
| 1967 | | 40:33:00 | | Oliphant M R & McKinley D B | Britannia College Dartmouth | 56 | | | | | |  |
McLaren Lyn | 23.0 | | | 60 | 4 | 0 | 0 | 0 | | |
| 1987 | | 24:04:09 | | Laycock Carol & McLaren Lyn | Windsor | 80 | | | | | |  |
| 1988 | | 23:51:00 | | McLaren Lyn & Laycock Carol | Windsor | 74 | | | | | |  |
| 1989 | | 22:22:36 | | McLaren Lyn & Eastgate J C | Newbury & Windsor | 45 | | | | | |  |
| 1992 | | 21:54:05 | | McLaren Lyn & Knowles D G | Newbury & Windsor | 39 | | | | | |  |
McLaughlin Paul | 23.9 | | | 30 | 1 | 0 | 0 | 0 | | |
| 2002 | | 23:51:01 | | Cole Peter & McLaughlin Paul | Dogleap | 30 | | | | | |  |
Mclellan Gina | 30.2 | | | 97 | 1 | 0 | 0 | 0 | | |
| 2011 | | 30:14:12 | | Mclellan Gina & Wilson Angus | AUOTC | 97 | | | | | |  |
McLellend P H | 20.9 | | | 28 | 1 | 0 | 0 | 0 | | |
| 1992 | | 20:56:35 | | McLellend P H & Praslick J G | RMCF | 28 | | | | | |  |
Mcleod Greg | 38.0 | | | 116 | 1 | 0 | 0 | 0 | | |
| 2017 | FB | 38:00:25 | | Hellin Darren & Mcleod Greg | Artists Rifles | 116 | | | | | |  |
McLeod Neil | 24.8 | | | 38 | 1 | 0 | 0 | 0 | | |
| 2006 | | 24:46:22 | | Fletcher Matthew & McLeod Neil | Richmond | 38 | | | | | |  |
McLeod R M | 61.7 | | | 85 | 1 | 0 | 0 | 0 | | |
| 1983 | | 61:40:35 | | Moreton R & McLeod R M | Basingstoke Canal | 85 | | | | | |  |
Mcllveen P A | 29.2 | | | 68 | 2 | 0 | 0 | 0 | | |
| 1991 | C2 | 36:53:50 | | Mcllveen P A & Jones Carol | Independent | 104 | | | | | |  |
| 1992 | | 21:28:30 | | Smith D & Mcllveen P A | Royal Engineers | 32 | | | | | |  |
Mcllwrick A C | 27.0 | | | 70 | 2 | 0 | 0 | 0 | | |
| 1991 | | 29:30:55 | | Cook A J & Mcllwrick A C | Mainstream | 71 | | | | | |  |
| 1992 | | 24:33:48 | | Cook A J & Mcllwrick A C | Mainstream | 69 | | | | | |  |
McMaberley M C | 40.2 | | | 162 | 1 | 0 | 0 | 0 | | |
| 1987 | | 40:11:50 | | McMaberley M C & Peet G | C. Coy 5 RRF | 162 | | | | | |  |
McMahon Katrina | 28.3 | | | 129 | 1 | 0 | 0 | 0 | | |
| 1987 | | 28:17:17 | | McMahon Katrina & Harden Helen | Windsor & Castle Hill | 129 | | | | | |  |
McManus Duncan | 25.0 | | | 40 | 1 | 0 | 0 | 0 | | |
| 2006 | | 24:59:21 | | McManus Duncan & Dyke John | Hamble Sea Scouts | 40 | | | | | |  |
McManus E | 34.1 | | | 84 | 1 | 0 | 0 | 0 | | |
| 1995 | | 34:05:55 | | McManus E & Sullivan M J | Independent | 84 | | | | | |  |
Mcmichael Peter | 23.5 | | | 37 | 1 | 0 | 0 | 0 | | |
| 2016 | | 23:27:02 | | Clarke Harvey & Mcmichael Peter | Army Canoe Union | 37 | | | | | |  |
McMillan J R | 36.1 | | | 115 | 1 | 0 | 0 | 0 | | |
| 1989 | | 36:04:57 | | McMillan J R & Tillman M C | Independent | 115 | | | | | |  |
McMulkin Tom | 21.4 | | | 12 | 1 | 0 | 0 | 0 | | |
| 2008 | | 21:22:00 | | McMulkin Tom & Mellor Guy | Royal Engineers | 12 | | | | | |  |
McMullon J | 34.9 | | | 83 | 1 | 0 | 0 | 0 | | |
| 1997 | | 34:53:47 | | Withers R & McMullon J | Marlow Rowing Club & Independent | 83 | | | | | |  |
McNab S | 22.7 | | | 49 | 1 | 0 | 0 | 0 | | |
| 1989 | | 22:44:54 | | McNab S & Cadwallader A | independent | 49 | | | | | |  |
McNeil D | 26.4 | | | 46 | 2 | 0 | 0 | 0 | | |
| 1996 | | 28:09:00 | | Brown R & McNeil D | Royal Marines Reserve | 50 | | | | | |  |
| 1999 | | 24:43:39 | | Tayler Harry & McNeil D | Royal Marines Reserve - London | 42 | | | | | |  |
McNuff Susan | 25.0 | | | 47 | 1 | 0 | 0 | 0 | | |
| 1991 | | 25:01:56 | | Johncox G P & McNuff Susan | Royal | 47 | | | | | |  |
McPartland F | 53.4 | | | 37 | 1 | 0 | 0 | 0 | | |
| 1960 | | 53:26:00 | | Wren J & McPartland F | Duke of Wellington Ad Tg Club | 37 | | | | | |  |
McPhee Stephen | 24.6 | | | 50 | 1 | 0 | 0 | 0 | | |
| 2012 | | 24:39:24 | | Hipkins Kevin & McPhee Stephen | Longridge | 50 | | | | | |  |
McPherson L | 20.6 | | | 14 | 1 | 0 | 0 | 0 | | |
| 1980 | | 20:34:55 | | Black Dave & McPherson L | 21 (Artists) | 14 | | | | | |  |
Mcpherson Paul | 39.8 | | | 111 | 1 | 0 | 0 | 0 | | |
| 2011 | | 39:48:00 | | George William & Mcpherson Paul | Royal Artillery | 111 | | | | | |  |
McQueen R | 28.2 | | | 58 | 3 | 0 | 0 | 0 | | |
| 1976 | | 35:10:25 | | McQueen R & Stosiek D J | Royal Navy | 37 | | | | | Navy |  |
| 1980 | | 24:13:30 | | McQueen R & Bethell R J | Royal Navy | 42 | | | | | Navy |  |
| 1987 | | 25:07:45 | | Marsden A & McQueen R | HMS Osprey/RNKA | 96 | | | | | |  |
McQueenie Terry | 20.8 | | | 7 | 4 | 0 | 0 | 0 | | |
| 1973 | | 20:47:37 | | Edwards A J & McQueenie Terry | 21 (Artists) | 7 | | | | | |  |
| 1974 | | 23:41:09 | | McQueenie Terry & Thake M J | 21 (Artists) | 8 | | | | | |  |
| 1980 | | 19:04:35 | | Andrews D E & McQueenie Terry | 21 (Artists) | 6 | | | | | Reserve |  |
| 1981 | | 19:36:16 | | Andrews D E & McQueenie Terry | 21 (Artists) | 5 | | | | | Reserve |  |
McQuhae S G | 39.4 | | | 161 | 1 | 0 | 0 | 0 | | |
| 1987 | | 39:25:18 | | Creighton R & McQuhae S G | Independent | 161 | | | | | |  |
McStravick J | 37.2 | | | 136 | 1 | 0 | 0 | 0 | | |
| 1990 | | 37:11:24 | | McStravick J & Cuthbert S C | A. Sqn. (RWY) | 136 | | | | | |  |
Mcsweeney Micheal | 24.9 | | | 32 | 3 | 0 | 0 | 0 | | |
| 2026 | | 24:54:30 | | Mcsweeney Micheal & Burke Ian | International | 32 | | | | | |  |
| 2026 | | 24:54:30 | | Mcsweeney Micheal & Burke Ian | International | 32 | | | | | |  |
| 2026 | | 24:54:30 | | Mcsweeney Micheal & Burke Ian | International | 32 | | | | | |  |
Meacock David | 36.2 | | | 103 | 2 | 0 | 0 | 0 | | |
| 2006 | | 35:01:02 | | Drennan Zoe & Meacock David | Royal Artillery | 74 | | | | | |  |
| 2009 | | 37:23:24 | | Elliott Bryan & Meacock David | Royal Artillery | 131 | | | | | |  |
Mead Antony | 34.9 | | | 82 | 1 | 0 | 0 | 0 | | |
| 2007 | C2 | 34:56:45 | | Palmer Clive & Mead Antony | Independent | 82 | | | | | |  |
Meadows G | 22.5 | | | 30 | 1 | 0 | 0 | 0 | | |
| 1997 | | 22:32:41 | | Pilgram S & Meadows G | Cambridge University & Glamorgan University | 30 | | | | | |  |
Meardon J A | 50.8 | | | 60 | 1 | 0 | 0 | 0 | | |
| 1975 | | 50:46:44 | | Beale A R & Meardon J A | Endeavour | 60 | | | | | Veteran |  |
Mears R G | 60.0 | | | 142 | 1 | 0 | 0 | 0 | | |
| 1989 | | 60:01:17 | | Mears R G & Pascoe R G | Devon & Cornwall Police | 142 | | | | | |  |
Medicott C J | 25.5 | | | 11 | 1 | 0 | 0 | 0 | | |
| 1966 | | 25:31:20 | | Medicott C J & Coutts D F | Culham College | 11 | | | | | |  |
Medland Chole | 25.4 | | | 67 | 1 | 0 | 0 | 0 | | |
| 2019 | | 25:23:13 | | Medland Chole & Anderson Julian | Poole Harbour | 67 | | | | | |  |