 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
Matthews Russell (Teddington) | 24.7 | | | 41 | 1 | 0 | 0 | 0 | | |
| 2024 | C2 | 24:43:11 | | Turner Lloyd & Matthews Russell | Independent | 41 | | | | | Scouts |  |
Matthews T R | 19.5 | | | 4 | 1 | 0 | 0 | 0 | | |
| 1984 | | 19:31:11 | | Matthews T R & Haycock J | CTC RM Lympstone | 4 | | | | | |  |
Maughan Jack | 24.9 | | | 55 | 1 | 0 | 0 | 0 | | |
| 2016 | | 24:51:49 | | Lawton Daniel & Maughan Jack | Army Canoe Union | 55 | | | | | |  |
Maule P | 29.7 | | | 19 | 1 | 0 | 0 | 0 | | |
| 1961 | | 29:42:00 | | Maule P & Hyde C | RAF South Cerney | 19 | | | | | |  |
Maund K | 34.6 | | | 31 | 1 | 0 | 0 | 0 | | |
| 1964 | | 34:35:32 | | Garnish R & Maund K | Leander Sea Scouts | 31 | | | | | |  |
Maunderson G W | 19.9 | | | 15 | 1 | 0 | 0 | 0 | | |
| 1988 | | 19:55:55 | | Perry S J & Maunderson G W | Royal Marines | 15 | | | | | |  |
Maurice Louise | 27.4 | | | 74 | 1 | 0 | 0 | 0 | | |
| 2012 | | 27:23:40 | | Maurice Louise & Jordan James | Falcon | 74 | | | | | |  |
Mavra Boris | 24.7 | | | 59 | 4 | 0 | 0 | 0 | | |
| 2015 | | 26:03:12 | | Mavra Boris & Webster Ian | Richmond & Army Canoe Union | 84 | | | | | |  |
| 2016 | | 23:00:01 | | Marcinowicz Adam & Mavra Boris | Richmond | 31 | | | | | |  |
| 2017 | | 25:36:30 | | Workman Mark & Mavra Boris | Richmond | 68 | | | | | |  |
| 2019 | | 24:11:07 | | Impey Vanessa & Mavra Boris | Richmond | 51 | | | | | |  |
Mavrogordato Mark | 26.1 | | | 84 | 1 | 0 | 0 | 0 | | |
| 2009 | | 26:03:32 | | Mavrogordato Mark & Wright Peter | Southampton | 84 | | | | | |  |
Mawer A E | 21.4 | | | 10 | 3 | 0 | 0 | 0 | | |
| 1970 | | 24:25:12 | | Waterton E & Mawer A E | Royal Engineers | 16 | | | | | |  |
| 1972 | | 21:06:38 | | Mawer A E & Waterton E | Royal Engineers | 9 | | | | | |  |
| 1975 | | 18:46:12 | | Mawer A E & Norton C | Royal Engineers | 4 | | | | | |  |
Mawer Gary | 17.0 | | | 1 | 1 | 1 | 0 | 0 | | |
| 2005 | | 17:01:27 | | Baker Steve & Mawer Gary | Elmbridge & Salmon Leap | 1 | | 1 | | | Civilian |  |
Maxwell D C | 31.9 | | | 22 | 1 | 0 | 0 | 0 | | |
| 1974 | | 31:54:20 | | Pomeroy N P & Maxwell D C | Salisbury & Belfast | 22 | | | | | |  |
May D F | 35.7 | | | 111 | 1 | 0 | 0 | 0 | | |
| 1992 | | 35:42:26 | | Jones M R & May D F | Wiltshire Police | 111 | | | | | |  |
May K D | 24.0 | | | 58 | 2 | 0 | 0 | 0 | | |
| 1993 | | 23:47:40 | | Brunning G W & May K D | Meridian | 66 | | | | | |  |
| 1994 | | 24:13:02 | | Brunning G W & May K D | Meridian | 50 | | | | | |  |
May P A | 26.6 | | | 11 | 1 | 0 | 0 | 0 | | |
| 1965 | | 26:36:02 | | Higgs P T & May P A | Independent | 11 | | | | | |  |
May R H | 30.0 | | | 21 | 1 | 0 | 0 | 0 | | |
| 1968 | | 29:59:30 | | Rose T J & May R H | Reading | 21 | | | | | |  |
Maycock D G | 31.5 | | | 117 | 1 | 0 | 0 | 0 | | |
| 1988 | | 31:29:30 | | Cornwell J V & Maycock D G | Axe Vale & Exeter | 117 | | | | | |  |
Maycock D J | 23.5 | | | 52 | 1 | 0 | 0 | 0 | | |
| 1990 | | 23:32:59 | | Green I & Maycock D J | Royal Electrical & Mechanical Engineers | 52 | | | | | |  |
Maycock Peter | 17.2 | | | 1 | 1 | 1 | 0 | 0 | | |
| 2016 | | 17:10:25 | | Maycock Peter & Turner Tristram | Exeter & Bristol | 1 | | 1 | | | Civilian |  |
Maye Katherine J | 26.6 | | | 87 | 1 | 0 | 0 | 0 | | |
| 1986 | | 26:35:09 | | Guerin M T & Maye Katherine J | National Childrens Home | 87 | | | | | |  |
Mayer A | 21.1 | | | 9 | 1 | 0 | 0 | 0 | | |
| 1973 | | 21:03:17 | | Mayer A & Waterton E | Royal Engineers | 9 | | | | | |  |
Mayes Jon | 22.1 | | | 26 | 2 | 0 | 0 | 0 | | |
| 2017 | | 23:53:07 | | Mayes Jon & Schubert Max | RMKA | 40 | | | | | |  |
| 2019 | | 20:20:42 | | Morgan James & Mayes Jon | Royal Marines | 11 | | | | | |  |
Mayhew P | 19.2 | | | 9 | 5 | 0 | 0 | 0 | | |
| 1979 | | 20:01:40 | | Cronin T & Mayhew P | Chalfont Park | 17 | | | | | |  |
| 1980 | | 18:23:37 | | Capps Des & Mayhew P | Windsor | 5 | | | | | Lee |  |
| 1985 | | 19:57:08 | | Mayhew P & Tannock C G | Windsor | 12 | | | | | |  |
| 1987 | | 18:57:13 | | Mayhew P & Capps Des | Windsor | 9 | | | | | |  |
| 1988 | | 18:39:40 | | Mayhew P & Capps Des | Windsor | 4 | | | | | Lee |  |
Maynard A G | 36.4 | | | 67 | 1 | 0 | 0 | 0 | | |
| 1979 | | 36:25:15 | | Maynard A G & Beer J A | BLESMA | 67 | | | | | |  |
Maynard B | 27.9 | | | 66 | 1 | 0 | 0 | 0 | | |
| 1995 | | 27:55:25 | | Wigg M & Maynard B | Independent | 66 | | | | | |  |
Maynard Chris | 25.4 | | | 68 | 1 | 0 | 0 | 0 | | |
| 2019 | FB | 25:23:45 | | Maynard Joe & Maynard Chris | Royal Marines | 68 | | | | | Tyne |  |
Maynard Joe | 24.0 | | | 51 | 3 | 0 | 0 | 0 | | |
| 2017 | | 24:51:49 | | Warwick Jack & Maynard Joe | RMKA | 60 | | | | | |  |
| 2019 | FB | 25:23:45 | | Maynard Joe & Maynard Chris | Royal Marines | 68 | | | | | Tyne |  |
| 2023 | FB | 21:53:37 | | Rendell Tom & Maynard Joe | RMKA | 25 | | | | | Navy,Tyne |  |
Maynard Joe (Teddington) | 24.3 | | | 42 | 1 | 0 | 0 | 0 | | |
| 2022 | FB | 24:20:29 | | Maynard Joe & Shingler Al | Royal Marines Kayak Association | 42 | | | | | |  |
Maynard Nigel (Teddington) | 23.3 | | | 38 | 1 | 0 | 0 | 0 | | |
| 2022 | | 23:19:04 | | Rutledge Alan & Maynard Nigel | Raf Canoe Association | 38 | | | | | |  |
Maynard R D | 38.3 | | | 16 | 1 | 0 | 0 | 0 | | |
| 1959 | | 38:19:15 | | Peacock B & Maynard R D | Thames Police Athletic Club | 16 | | | | | |  |
Mayne Jonathan | 28.3 | | | 34 | 1 | 0 | 0 | 0 | | |
| 2003 | | 28:17:58 | | Mayne Jonathan & Paterson Fiona | Richmond | 34 | | | | | |  |
Mayne R | 63.2 | | | 20 | 1 | 0 | 0 | 0 | | |
| 1957 | | 63:10:15 | | Peacock B & Mayne R | Thames Police Athletic Club | 20 | | | | | |  |
Mayneford R W | 37.7 | | | 89 | 1 | 0 | 0 | 0 | | |
| 1997 | | 37:42:35 | | Price R C & Mayneford R W | Independent | 89 | | | | | |  |
Mayo K A | 19.5 | | | 14 | 1 | 0 | 0 | 0 | | |
| 1987 | | 19:30:53 | | Iles E G & Mayo K A | Independent | 14 | | | | | |  |
Mayrhofer G | 50.3 | | | 46 | 1 | 0 | 0 | 0 | | |
| 1976 | | 50:20:50 | | Mayrhofer G & Harper M | Independent | 46 | | | | | |  |
Mazurk J E | 41.6 | | | 43 | 2 | 0 | 0 | 0 | | |
| 1966 | | 37:09:05 | | Mazurk J E & Horton M P | RAF Cranwell | 28 | | | | | |  |
| 1967 | | 46:01:30 | | Mazurk J E & Hibbert C J | RAF Oakington | 58 | | | | | |  |
McAllister-Hewlings B | 17.4 | | | 6 | 1 | 0 | 0 | 0 | | |
| 1994 | | 17:25:23 | | Newbutt D & McAllister-Hewlings B | Nottingham | 6 | | | | | |  |
McAllister-Hewlings D | 20.3 | | | 10 | 1 | 0 | 0 | 0 | | |
| 1997 | | 20:18:47 | | McAllister-Hewlings D & Chapman S M | Nottingham | 10 | | | | | |  |
McAllister-Hewlings J H | 21.1 | | | 27 | 1 | 0 | 0 | 0 | | |
| 1989 | | 21:07:18 | | Wesley D & McAllister-Hewlings J H | Nottingham | 27 | | | | | |  |
McAllister-Hewlings T | 21.4 | | | 33 | 1 | 0 | 0 | 0 | | |
| 1988 | | 21:22:10 | | Bacon D & McAllister-Hewlings T | Nottingham | 33 | | | | | |  |
McAllister Elizabeth | 29.2 | | | 88 | 1 | 0 | 0 | 0 | | |
| 2012 | C2 | 29:14:00 | | Sutherland Robert & McAllister Elizabeth | Wokingham & Independent | 88 | | | | | |  |
McAllister Robert | 35.9 | | | 78 | 1 | 0 | 0 | 0 | | |
| 2002 | C2 | 35:55:15 | | McAllister Robert & Roleston Stuart | 3 Royal Irish | 78 | | | | | |  |
McArthur J C | 25.3 | | | 44 | 2 | 0 | 0 | 0 | | |
| 1980 | | 25:12:55 | | Wood W R & McArthur J C | Royal Navy | 45 | | | | | |  |