 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
Martin S | 21.0 | | | 12 | 1 | 0 | 0 | 0 | | |
| 1996 | | 21:01:20 | | Ayres F D & Martin S | Royal Engineers | 12 | | | | | |  |
Martin Sandra | 31.1 | | | 99 | 1 | 0 | 0 | 0 | | |
| 1993 | | 31:09:00 | | Martin Sandra & Bower Pamela Karen | Snowdonia | 99 | | | | | |  |
Martin Sean | 19.7 | | | 11 | 5 | 0 | 0 | 0 | | |
| 1991 | | 20:45:15 | | Martin Sean & Thring T L | Richmond | 11 | | | | | |  |
| 1992 | | 20:14:10 | | Martin Sean & Houston P | Richmond | 21 | | | | | |  |
| 1994 | | 17:34:37 | | Martin Sean & Houston P | Richmond | 7 | | | | | |  |
| 1997 | | 19:16:03 | | Martin Sean & Cahill S | Richmond | 5 | | | | | |  |
| 1999 | | 20:55:45 | | Martin Sean & Greasby Elizabeth | Richmond | 12 | | | | | |  |
Martin T | 29.1 | | | 86 | 1 | 0 | 0 | 0 | | |
| 1994 | | 29:04:21 | | Martin T & Williams P I | Army Trg. Regt. Winchester | 86 | | | | | |  |
Martin Tom | 27.0 | | | 46 | 1 | 0 | 0 | 0 | | |
| 2008 | | 26:59:20 | | Kersey Tom & Martin Tom | Independent | 46 | | | | | |  |
Martin Wiliam | 26.6 | | | 72 | 1 | 0 | 0 | 0 | | |
| 2013 | | 26:37:22 | | Martin Wiliam & Dawnay Lewis | Bristol | 72 | | | | | |  |
Martine R M | 32.8 | | | 100 | 1 | 0 | 0 | 0 | | |
| 1985 | | 32:49:32 | | Burton E D F & Martine R M | 4th Batt. Royal Green Jackets | 100 | | | | | |  |
Masey Richard | 25.1 | | | 73 | 2 | 0 | 0 | 0 | | |
| 2014 | | 24:27:00 | | Masey Richard & Hawkins Jonathan | Henley | | | | | | |  |
| 2019 | | 25:44:34 | | Masey Richard & Zalewska Joanna | Henley | 73 | | | | | |  |
Maslen R | 57.8 | | | 11 | 1 | 0 | 0 | 0 | | |
| 1956 | | 57:50:00 | | Noyes H & Maslen R | Wilts Gazette | 11 | | | | | |  |
Mason | 43.5 | | | 6 | 1 | 0 | 0 | 0 | | |
| 1956 | | 43:27:00 | | Edwards S A & Mason | RAC Boys Squad | 6 | | | | | |  |
Mason B | 32.5 | | | 80 | 1 | 0 | 0 | 0 | | |
| 1991 | | 32:31:35 | | Lloyd P & Mason B | Independent | 80 | | | | | |  |
Mason Ben | 24.7 | | | 54 | 1 | 0 | 0 | 0 | | |
| 2016 | | 24:44:23 | | Woods Max & Mason Ben | Independent | 54 | | | | | |  |
Mason Bruce | 29.8 | | | 58 | 1 | 0 | 0 | 0 | | |
| 2005 | C2 | 29:45:34 | | Halliday Robin & Mason Bruce | Independent | 58 | | | | | |  |
Mason Chanel | 24.4 | | | 52 | 1 | 0 | 0 | 0 | | |
| 2014 | | 24:22:00 | | Crompton Lee & Mason Chanel | Army Canoe Union | 52 | | | | | |  |
Mason David | 29.3 | | | 102 | 4 | 0 | 0 | 0 | | |
| 2009 | C2 | 28:41:56 | | Priestley Graham & Mason David | Independent | 109 | | | | | |  |
| 2011 | | 30:44:20 | | Mason David & Kennedy Jonathan | Independent | 101 | | | | | |  |
| 2012 | | 28:28:53 | | Lock Jaine & Mason David | Independent | 84 | | | | | |  |
| 2014 | | 29:12:45 | | Mason David & Nelson Laurence | Independent & Land Warfare Centre RAPTC | 113 | | | | | |  |
Mason J W | 38.7 | | | 14 | 4 | 0 | 0 | 0 | | |
| 1957 | | 50:46:00 | | Campbell J & Mason J W | Hewell Grange | 14 | | | | | |  |
| 1958 | | 39:20:00 | | Campbell J & Mason J W | Independent | 7 | | | | | |  |
| 1959 | | 31:14:20 | | Campbell J & Mason J W | Independent | 7 | | | | | |  |
| 1961 | | 33:20:00 | | Mason J W & Holden I | Independent | 29 | | | | | |  |
Mason N A | 24.8 | | | 17 | 1 | 0 | 0 | 0 | | |
| 1971 | | 24:46:45 | | Mason N A & Doughty A R | Nottingham | 17 | | | | | |  |
Mason R | 53.0 | | | 47 | 1 | 0 | 0 | 0 | | |
| 1976 | | 53:00:40 | | Mason R & Rees T | Plymstock School | 47 | | | | | |  |
Mason SQMS L | 37.2 | | | 10 | 1 | 0 | 0 | 0 | | |
| 1957 | | 37:13:00 | | Edwards Lt S & Mason SQMS L | Whippet | 10 | | | | | |  |
Massam P E | 51.1 | | | 109 | 1 | 0 | 0 | 0 | | |
| 1994 | | 51:05:15 | | Massam P E & Green S T | University of Plymouth | 109 | | | | | |  |
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 | | |