 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
Reilly S | 21.7 | | | 30 | 1 | 0 | 0 | 0 | | |
| 1985 | | 21:40:24 | | Reilly S & Watson L | Metropolitan Police | 30 | | | | | Police |  |
Rendell Tom | 29.6 | | | 68 | 2 | 0 | 0 | 0 | | |
| 2019 | | 37:17:19 | | Rendell Tom & Johnson Ross | None | 111 | | | | | |  |
| 2023 | FB | 21:53:37 | | Rendell Tom & Maynard Joe | RMKA | 25 | | | | | Navy,Tyne |  |
Rendell Tom (Teddington) | 20.7 | | | 24 | 1 | 0 | 0 | 0 | | |
| 2022 | FB | 20:40:57 | | Rendell Tom & Barker Rob | Royal Marines Kayak Association | 24 | | | | | Tyne |  |
Renko Miha | 24.7 | | | 26 | 2 | 0 | 0 | 0 | | |
| 2025 | | 24:40:00 | | Robinson Brennan & Renko Miha | Cambridge | 22 | | | | | |  |
| 2026 | | 24:40:05 | | Jones Joanna & Renko Miha | Cambridge | 29 | | | | | |  |
Rentiers A | 36.8 | | | 43 | 3 | 0 | 0 | 0 | | |
| 1969 | | 40:14:41 | | Rentiers A & Leroy V | Para-Commando Belgium | 46 | | | | | |  |
| 1970 | | 36:44:32 | | Rentiers A & Leroy V | Para-Commando Belgium | 41 | | | | | |  |
| 1971 | | 33:22:25 | | Rentiers A & Leroy V | Para-Commando Belgium | 42 | | | | | |  |
Reponiemi M | 23.3 | | | 53 | 1 | 0 | 0 | 0 | | |
| 1985 | C2 | 23:15:38 | | Reponiemi M & Koberg V | Muonion Melojat, Finland | 53 | | | | | Canadian |  |
Repper K E | 25.7 | | | 8 | 2 | 0 | 0 | 0 | | |
| 1960 | | 25:07:00 | | Keay R J & Repper K E | 1 Para | 5 | | | | | Home Built |  |
| 1961 | | 26:17:00 | | Carty P & Repper K E | 1 Para | 11 | | | | | |  |
Restall G | 25.0 | | | 29 | 1 | 0 | 0 | 0 | | |
| 1996 | | 25:02:05 | | Unwin Nigel & Restall G | Precision Drifters | 29 | | | | | |  |
Restall Gary | 34.7 | | | 41 | 1 | 0 | 0 | 0 | | |
| 2003 | | 34:42:15 | | Cook Richard & Restall Gary | Cheltenham | 41 | | | | | |  |
Revell J D | 57.5 | | | 32 | 1 | 0 | 0 | 0 | | |
| 1965 | | 57:32:00 | | Revell J D & Bufton T | RAF Henlow | 32 | | | | | |  |
Rex A | 36.3 | | | 39 | 1 | 0 | 0 | 0 | | |
| 1970 | | 36:19:09 | | Longley P O & Rex A | Itchen South Venture Scouts | 39 | | | | | |  |
Rex A K | 37.4 | | | 82 | 2 | 0 | 0 | 0 | | |
| 1980 | | 40:08:45 | | Rex A K & Leach S L | Independent | 68 | | | | | |  |
| 1982 | | 34:41:38 | | Rex A K & Corbin D J | Independent | 96 | | | | | |  |
Rexworthy C D | 32.8 | | | 16 | 1 | 0 | 0 | 0 | | |
| 1965 | | 32:46:10 | | Rexworthy C D & Richards M S | Caterham & District Rover Scouts | 16 | | | | | |  |
Reynolds B | 27.0 | | | 90 | 1 | 0 | 0 | 0 | | |
| 1986 | | 26:59:37 | | Butt J R & Reynolds B | Alton & Basingstoke Canal | 90 | | | | | |  |
Reynolds Beverley J | 33.3 | | | 146 | 1 | 0 | 0 | 0 | | |
| 1987 | | 33:20:57 | | Reynolds Beverley J & Guthrie M | Griffon | 146 | | | | | |  |
Reynolds J P | 31.3 | | | 62 | 2 | 0 | 0 | 0 | | |
| 1980 | | 38:01:25 | | Cook K G & Reynolds J P | Woolacombe SLSC | 64 | | | | | |  |
| 1982 | | 24:37:10 | | Cook K G & Reynolds J P | Woolacombe SLSC | 59 | | | | | |  |
Reynolds M J | 22.7 | | | 36 | 1 | 0 | 0 | 0 | | |
| 1995 | | 22:41:10 | | Fletcher R & Reynolds M J | RMCF | 36 | | | | | |  |
Reynolds O | 39.8 | | | 18 | 5 | 0 | 0 | 0 | | |
| 1957 | | 60:24:30 | | Reynolds O & Campbell A | RMA Sandhurst | 18 | | | | | |  |
| 1959 | | 44:43:40 | | Reynolds O & Balem E F | Somerset Light Inf | 25 | | | | | |  |
| 1960 | | 36:22:00 | | Reynolds O & Jackson W D | 4th Wilts (TA) | 19 | | | | | |  |
| 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 |  |
Reynolds Rob | 28.5 | | | 85 | 1 | 0 | 0 | 0 | | |
| 2011 | | 28:30:23 | | Reynolds Rob & Harraway Pete | 1 Rifles & Independent | 85 | | | | | |  |
Reynolds Tim | 23.9 | | | 46 | 1 | 0 | 0 | 0 | | |
| 2019 | | 23:53:59 | | Reynolds Tim & Stormont Kit | Barking & Dagenham | 46 | | | | | |  |
Rhoades A B | 26.9 | | | 56 | 3 | 0 | 0 | 0 | | |
| 1989 | | 22:35:34 | | Rhoades A B & Potter M | Kingston Polytechnic | 48 | | | | | |  |
| 1991 | | 22:18:44 | | Dennis G J & Rhoades A B | Richmond | 23 | | | | | |  |
| 1994 | | 35:54:30 | | Rhoades A B & Wells M | Kingston University | 97 | | | | | |  |
Rhodes J E S | 34.5 | | | 101 | 2 | 0 | 0 | 0 | | |
| 1993 | C2 | 35:04:05 | | Spokes S J & Rhodes J E S | North Avon | 106 | | | | | |  |
| 1994 | C2 | 33:54:24 | | Spokes S J & Rhodes J E S | North Avon | 95 | | | | | |  |
Rhodes R | 36.2 | | | 33 | 1 | 0 | 0 | 0 | | |
| 1964 | | 36:12:35 | | Rhodes R & Thompson P | RAF Cranwell | 33 | | | | | |  |
Riach R | 21.1 | | | 14 | 1 | 0 | 0 | 0 | | |
| 1977 | | 21:05:10 | | Haines F J & Riach R | Royal Marines | 14 | | | | | |  |
Riall Matt | 24.8 | | | 58 | 1 | 0 | 0 | 0 | | |
| 2017 | | 24:46:10 | | Jones Sam & Riall Matt | Independent | 58 | | | | | |  |
Richards B D | 31.8 | | | 96 | 1 | 0 | 0 | 0 | | |
| 1992 | C2 | 31:49:50 | | Hobbs P G & Richards B D | Cam | 96 | | | | | |  |
Richards C M | 20.1 | | | 28 | 1 | 0 | 0 | 0 | | |
| 1993 | | 20:09:45 | | Ryan P & Richards C M | Royal Engineers | 28 | | | | | |  |
Richards C N | 19.6 | | | 15 | 3 | 0 | 0 | 0 | | |
| 1989 | | 19:51:15 | | Goodall P D & Richards C N | RNKA | 15 | | | | | Navy |  |
| 1990 | | 20:45:43 | | Richards C N & Goodall P D | Royal Marines | 20 | | | | | Navy |  |
| 1993 | | 18:12:55 | | Richards C N & Goodall P D | Royal Marines & Royal Navy | 11 | | | | | Navy |  |
Richards D | 30.5 | | | 122 | 1 | 0 | 0 | 0 | | |
| 1990 | FB | 30:30:22 | | White O & Richards D | Artists Rifles | 122 | | | | | |  |
Richards E W J | 25.0 | | | 76 | 4 | 0 | 0 | 0 | | |
| 1987 | | 28:32:28 | | Richards E W J & McCarthy T | Gwendraeth Valley Paddlers | 136 | | | | | |  |
| 1988 | | 23:00:59 | | Richards E W J & McCarthy T | Gwendraeth Valley Paddlers | 59 | | | | | |  |
| 1989 | | 23:52:56 | | Richards E W J & Pigdon J M | Gwendraeth Valley Paddlers & Bridgend | 63 | | | | | |  |
| 1991 | | 24:45:39 | | Pigdon J M & Richards E W J | Bridgend & Gwendraeth Valley Paddlers | 46 | | | | | |  |
Richards Gavin | 27.0 | | | 95 | 1 | 0 | 0 | 0 | | |
| 2009 | C2 | 26:57:45 | | Toomey James & Richards Gavin | Independent | 95 | | | | | |  |
Richards J M | 26.7 | | | 23 | 1 | 0 | 0 | 0 | | |
| 1973 | | 26:40:11 | | Lewis C & Richards J M | Independent | 23 | | | | | |  |
Richards L R | 24.4 | | | 45 | 1 | 0 | 0 | 0 | | |
| 1979 | | 24:21:40 | | Hobba R J & Richards L R | Endeavour | 45 | | | | | |  |
Richards M A | 33.9 | | | 43 | 4 | 0 | 0 | 0 | | |
| 1976 | | 48:44:20 | | Freeman R D & Richards M A | Endeavour | 43 | | | | | |  |
| 1977 | | 36:11:13 | | Richards M A & Hobba R J | Endeavour | 46 | | | | | |  |
| 1978 | | 27:31:40 | | Bonney C & Richards M A | Endeavour | 48 | | | | | |  |
| 1979 | | 23:00:13 | | Bonney C & Richards M A | Endeavour | 34 | | | | | |  |
Richards M S | 32.8 | | | 16 | 1 | 0 | 0 | 0 | | |
| 1965 | | 32:46:10 | | Rexworthy C D & Richards M S | Caterham & District Rover Scouts | 16 | | | | | |  |
Richards P | 26.4 | | | 54 | 2 | 0 | 0 | 0 | | |
| 1967 | | 26:47:00 | | Stainsby Thomas Alan & Richards P | Metropolitan Police | 26 | | | | | |  |
| 1985 | | 26:06:07 | | Richards P & Glover N | Independent | 82 | | | | | |  |
Richardson A W | 37.2 | | | 105 | 1 | 0 | 0 | 0 | | |
| 1982 | | 37:12:02 | | Richardson A W & East J M | Military Works Force | 105 | | | | | |  |
Richardson David | 22.7 | | | 39 | 6 | 0 | 0 | 0 | | |
| 1979 | | 23:12:30 | | Richardson David & Wibrew Michael | Maidstone | 36 | | | | | |  |
| 1981 | | 22:08:02 | | Wibrew Michael & Richardson David | Maidstone | 18 | | | | | |  |