 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
|---|
 Masser K A | 26.5 | | | 2 | 1 | 0 | 1 | 0 | | |
| 1957 | | 26:29:30 | | Chase J A & Masser K A | Cambridge University | 2 | | | 1 | | Home Built | |
| Masters M | 25.4 | | | 27 | 4 | 0 | 0 | 0 | | |
| 1973 | | 32:02:57 | | Henderson A P & Masters M | WSSC | 30 | | | | | | |
| 1976 | | 24:27:20 | | Church Marcus & Masters M | Worthies S & S C | 14 | | | | | | |
| 1978 | | 21:13:47 | | Church Marcus & Masters M | Worthies S & S C | 21 | | | | | | |
| 1980 | | 24:05:20 | | Masters M & Stewart M | Worthies S & S C & Hampshire Association | 41 | | | | | | |
| Masters PJ | 35.3 | | | 58 | 1 | 0 | 0 | 0 | | |
| 1983 | | 35:17:10 | | Newman J W & Masters PJ | Deben | 58 | | | | | | |
| Masters R J | 20.4 | | | 26 | 1 | 0 | 0 | 0 | | |
| 1988 | | 20:26:40 | | Pearson S R & Masters R J | Reading and Leighton Park | 26 | | | | | | |
| Matfait R | 37.7 | | | 128 | 1 | 0 | 0 | 0 | | |
| 1986 | | 37:44:35 | | Johnson N & Matfait R | St John's Centre | 128 | | | | | | |
| Mather J C | 57.7 | | | 119 | 1 | 0 | 0 | 0 | | |
| 1991 | C2 | 57:43:05 | | Emms S N L & Mather J C | Independent | 119 | | | | | | |
| Matheve R | 38.2 | | | 43 | 1 | 0 | 0 | 0 | | |
| 1970 | | 38:11:38 | | Fitzgibbon J S & Matheve R | Phoenix | 43 | | | | | | |
| Mathewman D | 70.0 | | | 149 | 1 | 0 | 0 | 0 | | |
| 1989 | | 70:01:40 | | Mathewman D & Healy K | 22 Ordnance Company (V) | 149 | | | | | | |
| Matkin M P | 49.2 | | | 135 | 1 | 0 | 0 | 0 | | |
| 1989 | | 49:11:58 | | Deeks Lynda Karen & Matkin M P | Plymouth Polytechnic & Southampton University | 135 | | | | | | |
| Matthes Alan | 22.0 | | | 18 | 1 | 0 | 0 | 0 | | |
| 2011 | | 22:01:31 | | Topham Nik J & Matthes Alan | Independent | 18 | | | | | | |
| Matthewman E | 23.1 | | | 12 | 1 | 0 | 0 | 0 | | |
| 1967 | | 23:03:00 | | Matthewman E & Gallagher L | 9th Ind Para Sqn RE | 12 | | | | | | |
| Matthews D | 22.3 | | | 40 | 1 | 0 | 0 | 0 | | |
| 1986 | | 22:20:33 | | Cook K G & Matthews D | Woolacombe SLSC | 40 | | | | | | |
| Matthews G | 25.4 | | | 78 | 1 | 0 | 0 | 0 | | |
| 1990 | | 25:22:49 | | Matthews G & Metcalf P | Bath Triathlon Club | 78 | | | | | | |
| Matthews I G | 26.6 | | | 86 | 2 | 0 | 0 | 0 | | |
| 1984 | | 27:08:19 | | Matthews I G & Colenso G T | Bideford Centre | 93 | | | | | | |
| 1985 | | 25:59:38 | | Matthews I G & Colenso G T | Bideford Centre | 79 | | | | | | |
| Matthews M J | 23.2 | | | 20 | 1 | 0 | 0 | 0 | | |
| 1972 | | 23:12:25 | | Matthews M J & Matthews R A | RAF Abington | 20 | | | | | Home Built | |
| Matthews M J A | 22.0 | | | 35 | 2 | 0 | 0 | 0 | | |
| 1985 | | 22:42:35 | | Hicks Charles & Matthews M J A | Basingstoke Canal | 44 | | | | | | |
| 1986 | | 21:12:26 | | Hicks Charles & Matthews M J A | Basingstoke Canal | 25 | | | | | | |
| Matthews Owen | 33.4 | | | 98 | 1 | 0 | 0 | 0 | | |
| 2012 | C2 | 33:26:30 | | Browning George & Matthews Owen | Independent | 98 | | | | | | |
| Matthews R A | 28.1 | | | 31 | 2 | 0 | 0 | 0 | | |
| 1971 | | 32:55:50 | | Stevenson J A & Matthews R A | RAF Abington | 41 | | | | | | |
| 1972 | | 23:12:25 | | Matthews M J & Matthews R A | RAF Abington | 20 | | | | | Home Built | |
| 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 | | |