 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
Macleod Nicola | 27.6 | | | 102 | 1 | 0 | 0 | 0 | | |
| 2014 | | 27:38:53 | | Leijerstam Maria & Macleod Nicola | Army Canoe Union | 102 | | | | | |  |
MacMillan G | 25.0 | | | 52 | 1 | 0 | 0 | 0 | | |
| 1995 | | 24:58:40 | | MacMillan G & Norris G | RNKA | 52 | | | | | |  |
Macmillan R C | 28.9 | | | 115 | 1 | 0 | 0 | 0 | | |
| 1990 | | 28:53:17 | | Macmillan R C & Taylor M C | Independent | 115 | | | | | |  |
MacNaughton R | 59.2 | | | 50 | 1 | 0 | 0 | 0 | | |
| 1968 | | 59:12:00 | | Crawshay R & MacNaughton R | 20 CDO (AO) Bty RA | 50 | | | | | |  |
Macpherson L | 21.6 | | | 34 | 1 | 0 | 0 | 0 | | |
| 1986 | | 21:33:51 | | Black Dave & Macpherson L | Artists Rifles | 34 | | | | | |  |
MacPherson M | 22.4 | | | 51 | 1 | 0 | 0 | 0 | | |
| 1987 | | 22:22:00 | | Black & MacPherson M | Hemel Hempstead | 51 | | | | | |  |
Macpherson W A | 30.7 | | | 2 | 1 | 0 | 1 | 0 | | |
| 1956 | FB | 30:41:00 | | Macpherson W A & Marriot R | 21 (Artists) | 2 | | | 1 | | Tyne |  |
Macqueen Ian | 26.1 | | | 74 | 2 | 0 | 0 | 0 | | |
| 2015 | | 24:50:17 | | Macqueen Ian & Macqueen Jacqueline | Devizes | 66 | | | | | |  |
| 2016 | C2 | 27:24:40 | | Macqueen Ian & Macqueen Jacky | Devizes | 82 | | | | | |  |
Macqueen Jacky | 27.4 | | | 82 | 1 | 0 | 0 | 0 | | |
| 2016 | C2 | 27:24:40 | | Macqueen Ian & Macqueen Jacky | Devizes | 82 | | | | | |  |
Macqueen Jacqueline | 24.8 | | | 66 | 1 | 0 | 0 | 0 | | |
| 2015 | | 24:50:17 | | Macqueen Ian & Macqueen Jacqueline | Devizes | 66 | | | | | |  |
MacSorley Fred (Teddington) | 24.1 | | | 41 | 1 | 0 | 0 | 0 | | |
| 2022 | | 24:07:23 | | King Derek & MacSorley Fred | Canoe Association of Northern Island | 41 | | | | | Veteran |  |
Maddison H | 25.6 | | | 51 | 1 | 0 | 0 | 0 | | |
| 1999 | | 25:37:30 | | Maddison H & Gibbs M P | Thunderer Squadron | 51 | | | | | |  |
Maddocks Lee (Teddington) | 17.2 | | | 4 | 1 | 0 | 0 | 0 | | |
| 2022 | | 17:11:37 | | Maddocks Lee & Bosworth William | Royal Marines Kayak Association | 4 | | | | | Lee,Navy,Services |  |
Magar Sangum Khapangi (Teddington) | 19.5 | | | 17 | 1 | 0 | 0 | 0 | | |
| 2022 | | 19:32:30 | | Magar Sangum Khapangi & Dalziel Oliver | Royal Engineers | 17 | | | | | |  |
Magil Jonathan | 25.2 | | | 68 | 1 | 0 | 0 | 0 | | |
| 2014 | | 25:13:25 | | Magil Jonathan & Thompson Stuart | Army Canoe Union | 68 | | | | | |  |
Magness D | 20.9 | | | 18 | 1 | 0 | 0 | 0 | | |
| 1978 | | 20:55:22 | | Stainsby Thomas Alan & Magness D | Metropolitan Police | 18 | | | | | |  |
Magrath Anthony | 26.0 | | | 46 | 1 | 0 | 0 | 0 | | |
| 2005 | C2 | 26:00:30 | | Wingham James & Magrath Anthony | Paddleplus | 46 | | | | | |  |
Maguire C R | 23.7 | | | 56 | 1 | 0 | 0 | 0 | | |
| 1982 | | 23:44:13 | | Maguire C R & Owsnett M | 28 A. E. Regt. | 56 | | | | | |  |
Maguire Kieran | 22.4 | | | 25 | 1 | 0 | 0 | 0 | | |
| 2007 | | 22:26:13 | | Blackman Peter & Maguire Kieran | Royal Engineers | 25 | | | | | |  |
Maher T | 48.1 | | | 59 | 1 | 0 | 0 | 0 | | |
| 1967 | | 48:05:00 | | Thorpe R N & Maher T | Richmond | 59 | | | | | |  |
Mahoney James | 23.9 | | | 42 | 2 | 0 | 0 | 0 | | |
| 2012 | | 25:04:39 | | Mahoney James & Todd Chris | Devizes | 54 | | | | | |  |
| 2013 | | 22:46:55 | | Mahoney James & Todd Chris | Devizes | 30 | | | | | |  |
Mahony Nicholas | 26.5 | | | 67 | 1 | 0 | 0 | 0 | | |
| 2013 | | 26:27:34 | | Mahony Nicholas & Warne Josh | Southampton | 67 | | | | | |  |
Maidment A P | 24.4 | | | 25 | 1 | 0 | 0 | 0 | | |
| 1996 | | 24:21:05 | | Light R G & Maidment A P | Cricket | 25 | | | | | |  |
Maidment D | 26.4 | | | 54 | 3 | 0 | 0 | 0 | | |
| 1983 | | 32:23:19 | | Maidment D & Walker H | Ealing Venture Sea Scouts U. | 56 | | | | | |  |
| 1984 | | 26:07:00 | | Griffiths G R & Maidment D | 4th New Forest N, V Scouts | 81 | | | | | |  |
| 1989 | | 20:43:29 | | Griffiths G R & Maidment D | Independent | 25 | | | | | |  |
Main Oliver | 21.8 | | | 30 | 4 | 0 | 0 | 0 | | |
| 2009 | | 24:36:50 | | Main Oliver & Bell David | Royal Marines | 66 | | | | | |  |
| 2010 | | 22:23:25 | | Main Oliver & Taylor Ian | Southampton | 39 | | | | | |  |
| 2012 | | 20:22:29 | | Main Oliver & Diaper Thomas | Army Canoe Union | 7 | | | | | Army,Services |  |
| 2017 | | 19:43:26 | | Diaper Thomas & Main Oliver | Army Canoe Union | 8 | | | | | Army,Services |  |
Main Ollie | 23.7 | | | 33 | 1 | 0 | 0 | 0 | | |
| 2011 | | 23:41:36 | | Main Ollie & Sargant Nigel | Southampton | 33 | | | | | |  |
Main Olly | 19.9 | | | 8 | 1 | 0 | 0 | 0 | | |
| 2014 | | 19:55:15 | | Diaper Thomas & Main Olly | Army Canoe Union | 8 | | | | | Army,Services |  |
Mair B | 20.9 | | | 25 | 3 | 0 | 0 | 0 | | |
| 1986 | | 22:09:49 | | Mair B & Andrews M | Royal Engineers | 39 | | | | | |  |
| 1987 | | 20:24:23 | | Mair B & Andrews M | Royal Engineers | 23 | | | | | |  |
| 1990 | | 20:13:04 | | Mair B & Wilkens P J | Royal Engineers | 12 | | | | | |  |
Maitland-Titterton R | 37.7 | | | 69 | 1 | 0 | 0 | 0 | | |
| 1996 | | 37:41:30 | | Maitland-Titterton R & Bayliss R | Independent | 69 | | | | | |  |
Major P A | 33.3 | | | 47 | 1 | 0 | 0 | 0 | | |
| 1975 | | 33:20:44 | | Major P A & Hackney T D | HMS Caledonia | 47 | | | | | |  |
Makin Ben | 26.6 | | | 80 | 1 | 0 | 0 | 0 | | |
| 2019 | | 26:37:35 | | Makin Ben & Hill Barry | Bradford On Avon | 80 | | | | | |  |
Malam C W | 47.7 | | | 113 | 1 | 0 | 0 | 0 | | |
| 1991 | | 47:45:47 | | Tissington P & Malam C W | Independent | 113 | | | | | |  |
Malduca R | 23.6 | | | 30 | 1 | 0 | 0 | 0 | | |
| 1978 | | 23:34:09 | | Malduca R & Hodge A M | Aylesbury | 30 | | | | | |  |
Male P J | 23.2 | | | 58 | 3 | 0 | 0 | 0 | | |
| 1985 | | 23:59:52 | | Male P J & Gray A | Independent | 62 | | | | | |  |
| 1987 | | 23:46:24 | | Male P J & Male R | Independent | 75 | | | | | |  |
| 1989 | | 21:46:55 | | Taylor M B & Male P J | Independent | 37 | | | | | |  |
Male R | 23.8 | | | 75 | 1 | 0 | 0 | 0 | | |
| 1987 | | 23:46:24 | | Male P J & Male R | Independent | 75 | | | | | |  |
Males Stuart | 29.0 | | | 62 | 1 | 0 | 0 | 0 | | |
| 2004 | | 29:01:27 | | Bidgood Tony & Males Stuart | RAF Honington | 62 | | | | | RAF |  |
Malin R | 27.0 | | | 13 | 4 | 0 | 0 | 0 | | |
| 1962 | FB | 29:41:00 | | Reynolds O & Malin R | 2 Para | 11 | | | | | Tyne |  |
| 1963 | FB | 28:02:45 | | Malin R & Reynolds O | 16 Para | 17 | | | | | Tyne |  |
| 1964 | | 26:25:23 | | Malin R & Malin W R | Abingdonions Canoeists | 8 | | | | | |  |
| 1970 | | 24:02:09 | | Malin W R & Malin R | Abingdon Riverside | 15 | | | | | Home Built |  |
Malin W R | 25.2 | | | 13 | 3 | 0 | 0 | 0 | | |
| 1964 | | 26:25:23 | | Malin R & Malin W R | Abingdonions Canoeists | 8 | | | | | |  |
| 1969 | | 25:09:05 | | Hanson A G & Malin W R | Culham College | 16 | | | | | |  |
| 1970 | | 24:02:09 | | Malin W R & Malin R | Abingdon Riverside | 15 | | | | | Home Built |  |
Malka Tracey | 33.9 | | | 107 | 2 | 0 | 0 | 0 | | |
| 2017 | C2 | 33:21:58 | | Malka Tracey & Vater-Lambert Adele | Independent | 108 | | | | | |  |
| 2019 | C2 | 34:31:36 | | Malka Tracey & Vater-Lambert Adele | Independent | 106 | | | | | |  |
Mallett H | 20.5 | | | 27 | 2 | 0 | 0 | 0 | | |
| 1992 | | 20:44:15 | | Rydin P A M & Mallett H | Exeter | 24 | | | | | |  |
| 1993 | | 20:11:50 | | Mallett H & Harding D | Exeter | 29 | | | | | |  |
Mallott L | 26.1 | | | 48 | 1 | 0 | 0 | 0 | | |
| 1997 | | 26:08:19 | | Pryde F & Mallott L | Royal Marines | 48 | | | | | |  |