 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
Metcalf P | 25.4 | | | 78 | 1 | 0 | 0 | 0 | | |
| 1990 | | 25:22:49 | | Matthews G & Metcalf P | Bath Triathlon Club | 78 | | | | | |  |
Metcalfe J | 50.5 | | | 78 | 1 | 0 | 0 | 0 | | |
| 1996 | | 50:32:38 | | Howells J & Metcalfe J | Independent & West Yorkshire Police | 78 | | | | | |  |
Metcalfe Liam | 26.1 | | | 86 | 1 | 0 | 0 | 0 | | |
| 2010 | | 26:06:25 | | Venables Daniel & Metcalfe Liam | JCSC | 86 | | | | | Navy |  |
Metcalfe R J | 22.1 | | | 25 | 1 | 0 | 0 | 0 | | |
| 1980 | | 22:04:35 | | Robbins K & Metcalfe R J | Chippenham | 25 | | | | | |  |
Metcalfe S | 25.6 | | | 22 | 4 | 0 | 0 | 0 | | |
| 1974 | | 32:31:16 | | Metcalfe S & Pilditch M I | Royal Military Col. of Science | 24 | | | | | |  |
| 1975 | | 21:31:32 | | Metcalfe S & Hope N K | Royal Military Col. of Science | 16 | | | | | |  |
| 1976 | | 25:14:05 | | Metcalfe S & Pilditch M I | Royal Military Col. of Science | 17 | | | | | |  |
| 1978 | | 23:10:55 | | Pilditch M I & Metcalfe S | Royal Military Col. of Science | 29 | | | | | |  |
Metcalfe Vicky | 26.0 | | | 64 | 6 | 0 | 0 | 0 | | |
| 2004 | | 27:21:44 | | Blatchley Ian & Metcalfe Vicky | Pangbourne | 57 | | | | | |  |
| 2007 | | 26:06:52 | | Metcalfe Vicky & Thomas Sian Louise | Pangbourne | 64 | | | | | |  |
| 2015 | C2 | 26:27:13 | | Metcalfe Vicky & Murnaghan Liz | Pangbourne & Basingstoke Canal | 87 | | | | | Ladies C2 |  |
| 2016 | C2 | 27:17:14 | | Metcalfe Vicky & Gillespie Janet | Pangbourne | 80 | | | | | Ladies C2 |  |
| 2019 | C2 | 25:01:14 | | Murnaghan Liz & Metcalfe Vicky | Basingstoke Canal & Pangbourne | 65 | | | | | Ladies C2 |  |
| 2023 | C2 | 23:58:25 | | Murnaghan Liz & Metcalfe Vicky | Taunton & Pangbourne | 28 | | | | | Ladies,Ladies C2,Vet Ladies |  |
Mew Stephen | 29.1 | | | 111 | 1 | 0 | 0 | 0 | | |
| 2009 | FB | 29:09:30 | | Payne Mark & Mew Stephen | Artists Rifles | 111 | | | | | Tyne |  |
Mews Tobias | 25.6 | | | 82 | 1 | 0 | 0 | 0 | | |
| 2010 | | 25:39:10 | | Goss Jonathan & Mews Tobias | Independent | 82 | | | | | |  |
Meyer Russell | 18.6 | | | 8 | 1 | 0 | 0 | 0 | | |
| 2023 | | 18:39:41 | | Meyer Russell & Gilbert-Johns Jack | Southampton | 8 | | | | | |  |
Meynaar I | 22.4 | | | 26 | 1 | 0 | 0 | 0 | | |
| 1991 | C2 | 22:24:43 | | Feenstra H & Meynaar I | Alskv Levitas | 26 | | | | | |  |
Michaela D | 21.2 | | | 15 | 1 | 0 | 0 | 0 | | |
| 1991 | | 21:11:46 | | Firth N D & Michaela D | Royal Engineers | 15 | | | | | |  |
Michie J | 29.5 | | | 12 | 1 | 0 | 0 | 0 | | |
| 1960 | | 29:29:00 | | Richardson Jack & Michie J | Royal Marines | 12 | | | | | |  |
Michiels F | 34.7 | | | 41 | 2 | 0 | 0 | 0 | | |
| 1970 | | 34:45:30 | | Michiels F & Comblez V | Para-Commando Belgium | 34 | | | | | |  |
| 1971 | | 34:38:33 | | Regnier J P & Michiels F | Para-Commando Belgium | 48 | | | | | |  |
Mickleburgh J R | 34.7 | | | 51 | 1 | 0 | 0 | 0 | | |
| 1998 | | 34:45:47 | | Mickleburgh J R & Roberts C J | Independent | 51 | | | | | |  |
Micolson M M | 29.9 | | | 94 | 1 | 0 | 0 | 0 | | |
| 1992 | C2 | 29:55:20 | | Micolson M M & Neale G R | North Avon | 94 | | | | | |  |
Middlehurst Susan | 22.5 | | | 28 | 2 | 0 | 0 | 0 | | |
| 2011 | | 23:57:17 | | Middlehurst Susan & Pollock Andrew | Addlestone | 38 | | | | | |  |
| 2014 | | 21:09:53 | | Middlehurst Susan & Martin Beth | Richmond | 17 | | | | | Ladies |  |
Middlemast Lynda M | 36.3 | | | 116 | 1 | 0 | 0 | 0 | | |
| 1986 | | 36:19:01 | | Dalrymple D V & Middlemast Lynda M | Itchen Valley | 116 | | | | | |  |
Middleton Andrew | 27.1 | | | 55 | 1 | 0 | 0 | 0 | | |
| 2006 | | 27:06:55 | | Croft Peter & Middleton Andrew | Yorkies | 55 | | | | | |  |
Middleton C R | 18.6 | | | 3 | 2 | 1 | 0 | 0 | | |
| 1990 | | 18:58:05 | | Ellard S K & Middleton C R | Royal Leamington Spa | 4 | | | | | Lee |  |
| 1991 | | 18:20:19 | | Freeman R A & Middleton C R | Fladbury & Royal Leamington Spa | 1 | | 1 | | | Civilian,Lee |  |
Middleton Jeremy | 25.0 | | | 70 | 1 | 0 | 0 | 0 | | |
| 2009 | | 24:59:12 | | Middleton Jeremy & Baldwin Simon | Independent & Aberfan | 70 | | | | | |  |
Middleton P | 34.5 | | | 35 | 1 | 0 | 0 | 0 | | |
| 1961 | | 34:30:00 | | Meston J & Middleton P | Royal Marines Forces Volunteer Reserve | 35 | | | | | |  |
Middleton R P | 23.8 | | | 76 | 1 | 0 | 0 | 0 | | |
| 1987 | | 23:47:05 | | Booles K L & Middleton R P | Metropolitan Police AA | 76 | | | | | |  |
Middleton W | 29.9 | | | 55 | 1 | 0 | 0 | 0 | | |
| 1981 | | 29:53:57 | | Aldam I D & Middleton W | Newham | 55 | | | | | |  |
Midgeley R M | 50.8 | | | 108 | 1 | 0 | 0 | 0 | | |
| 1994 | | 50:49:45 | | Midgeley R M & Townsend Sarah Jane | Bristol & Independent | 108 | | | | | |  |
Midwood P | 22.0 | | | 27 | 1 | 0 | 0 | 0 | | |
| 1979 | | 22:01:06 | | Joy G S & Midwood P | I M Marsh College | 27 | | | | | |  |
Miemicki D | 26.1 | | | 72 | 1 | 0 | 0 | 0 | | |
| 1982 | | 26:05:39 | | Bassett A & Miemicki D | New York CRA/US CA | 72 | | | | | |  |
Miklos Renata | 20.4 | | | 10 | 3 | 0 | 0 | 0 | | |
| 2011 | | 20:59:34 | | Hall Kathryn & Miklos Renata | Wokingham | 12 | | | | | |  |
| 2012 | | 21:52:00 | | Hall Kathryn & Miklos Renata | Wokingham | 13 | | | | | |  |
| 2014 | | 18:24:53 | | Greenham Brian & Miklos Renata | Reading | 4 | | | | | Mixed |  |
Milbank Chris | 27.8 | | | 79 | 2 | 0 | 0 | 0 | | |
| 2011 | C2 | 29:34:35 | | Milbank Chris & Westwater Tom | Longridge | 93 | | | | | |  |
| 2012 | C2 | 26:00:58 | | Milbank Chris & Campbell Mark | Longridge | 64 | | | | | |  |
Milder C S | 32.6 | | | 119 | 1 | 0 | 0 | 0 | | |
| 1988 | | 32:37:45 | | Milder C S & Williams R S | RMA Sandhurst | 119 | | | | | |  |
Miles | 25.6 | | | 84 | 1 | 0 | 0 | 0 | | |
| 1990 | | 25:36:03 | | Miles & Thorn J | Falcon | 84 | | | | | |  |
Miles J | 23.6 | | | 55 | 2 | 0 | 0 | 0 | | |
| 1993 | | 24:39:50 | | Styles P G & Miles J | HM Coastguard Porthcawl | 74 | | | | | |  |
| 1994 | | 22:34:53 | | Styles P G & Miles J | HM Coastguard & RNLI Porthcawl | 36 | | | | | |  |
Milford C M | 27.3 | | | 23 | 5 | 0 | 0 | 0 | | |
| 1968 | | 40:08:30 | | Coleridge P & Milford C M | Outward Bound School Holne Park | 40 | | | | | |  |
| 1971 | | 28:59:32 | | Milford C M & Dyball E | Outward Bound School Holne Park | 32 | | | | | |  |
| 1974 | | 23:09:15 | | Milford C M & Stanier N | Outward Bound Devon | 7 | | | | | |  |
| 1976 | | 21:52:15 | | Stanier N & Milford C M | Independent | 6 | | | | | |  |
| 1984 | | 22:13:36 | | Cook S & Milford C M | Bath | 32 | | | | | |  |
Milford C W | 21.9 | | | 18 | 1 | 0 | 0 | 0 | | |
| 1977 | | 21:52:15 | | Milford C W & McBride J S | 21 (Artists) | 18 | | | | | |  |
Milford J | 23.6 | | | 6 | 1 | 0 | 0 | 0 | | |
| 1966 | | 23:39:15 | | Raines F & Milford J | Royal Marines Poole | 6 | | | | | |  |
Milgate J | 34.3 | | | 16 | 3 | 0 | 0 | 0 | | |
| 1957 | | 39:43:00 | | Milgate J & Scott P | Metropolitan Police Engineers | 11 | | | | | |  |
| 1959 | | 30:48:05 | | Milgate J & Hardy J S | Thames Police Athletic Club | 22 | | | | | |  |
| 1960 | | 32:22:00 | | Milgate J & Scott P | Metropolitan River Police | 14 | | | | | |  |
Mill D T | 22.4 | | | 52 | 1 | 0 | 0 | 0 | | |
| 1987 | | 22:24:38 | | Humell R & Mill D T | D Coy 2 Wessex (V) | 52 | | | | | Reserve |  |
Millar G | 29.1 | | | 13 | 1 | 0 | 0 | 0 | | |
| 1964 | | 29:03:25 | | Millar G & Woods J | HMS Caledonia | 13 | | | | | |  |
Millbourn J A | 0.0 | | | 0 | 1 | 0 | 0 | 0 | | |
| 1966 | | | | Millbourn J A & | Barn Cottage Boat Club & | | | | | | |  |
Miller A R | 23.5 | | | 37 | 1 | 0 | 0 | 0 | | |
| 1980 | | 23:29:25 | | Templeton Susan & Miller A R | Itchen Valley | 37 | | | | | |  |
Miller Barry | 28.6 | | | 86 | 1 | 0 | 0 | 0 | | |