 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
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 | | | | | |  |
| 1982 | | 19:45:32 | | Wibrew Michael & Richardson David | Gillingham | 15 | | | | | |  |
| 1987 | | 21:13:39 | | Richardson David & Olsen R | Gillingham | 35 | | | | | |  |
| 1990 | | 20:33:58 | | Richardson David & Terry P | Maidstone | 15 | | | | | |  |
| 2009 | | 29:28:47 | | Richardson David & Hayden Max | Hemel Hempstead | 114 | | | | | |  |
Richardson Deborah | 22.2 | | | 29 | 1 | 0 | 0 | 0 | | |
| 1994 | | 22:14:38 | | Richardson Deborah & Moore D | Freestyle | 29 | | | | | |  |
Richardson J | 39.6 | | | 39 | 1 | 0 | 0 | 0 | | |
| 1968 | | 39:34:30 | | Richardson J & Perry T | 4 Admirals | 39 | | | | | |  |
Richardson Jack | 28.5 | | | 8 | 3 | 0 | 1 | 0 | | |
| 1954 | | 30:10:00 | | Richardson Jack & White G W | Royal Marines | 2 | | | 1 | | |  |
| 1960 | | 29:29:00 | | Richardson Jack & Michie J | Royal Marines | 12 | | | | | |  |
| 1961 | | 25:53:00 | | Richardson Jack & Emslie H | Royal Marines | 10 | | | | | |  |
Richardson John | 24.4 | | | 35 | 1 | 0 | 0 | 0 | | |
| 2008 | | 24:25:50 | | Priddis David & Richardson John | Jersey | 35 | | | | | |  |
Richardson M E | 21.1 | | | 22 | 1 | 0 | 0 | 0 | | |
| 1990 | | 21:08:31 | | Richardson M E & Smith D | Royal Engineers | 22 | | | | | |  |
Richardson P | 23.0 | | | 49 | 1 | 0 | 0 | 0 | | |
| 1986 | | 22:58:15 | | Bradborn A H & Richardson P | GATW | 49 | | | | | |  |
Richardson R J | 24.0 | | | 30 | 1 | 0 | 0 | 0 | | |
| 1972 | | 23:59:20 | | Richardson R J & Bulbeck J | 21 (Artists) | 30 | | | | | |  |
Richardson S | 25.9 | | | 52 | 1 | 0 | 0 | 0 | | |
| 1999 | | 25:51:13 | | Richardson S & Bunn A | Freestyle | 52 | | | | | |  |
Richardson Steve | 28.8 | | | 51 | 1 | 0 | 0 | 0 | | |
| 2008 | | 28:49:59 | | Richardson Steve & Trussler Dean | Wokingham | 51 | | | | | |  |
Richardson Will | 26.9 | | | 39 | 1 | 0 | 0 | 0 | | |
| 2026 | FB | 26:56:30 | | Richardson Will & Titman Elliot | Rmka | 39 | | | | | Navy,Tyne |  |
Richardson Will (Teddington) | 23.7 | | | 40 | 1 | 0 | 0 | 0 | | |
| 2024 | FB | 23:43:24 | | Richardson Will & Titman Elliot | Rmka | 40 | | | | | |  |
Richarson Will (Teddington) | 25.9 | | | 44 | 1 | 0 | 0 | 0 | | |
| 2022 | FB | 25:52:21 | | Tittman Elliott & Richarson Will | Royal Marines Kayak Association | 44 | | | | | |  |
Richman Mike (Teddington) | 17.4 | | | 9 | 1 | 0 | 0 | 0 | | |
| 2024 | | 17:21:40 | | Whitehead Robert & Richman Mike | Newbury | 9 | | | | | Century |  |
Richman P J | 22.9 | | | 25 | 1 | 0 | 0 | 0 | | |
| 1975 | | 22:52:03 | | Love D E & Richman P J | Royal Navy | 25 | | | | | |  |
Richmond Martin | 22.9 | | | 31 | 1 | 0 | 0 | 0 | | |
| 2013 | | 22:54:21 | | Perry Simon & Richmond Martin | Reading | 31 | | | | | |  |
Richmond R | 25.4 | | | 19 | 2 | 0 | 0 | 0 | | |
| 1970 | FB | 27:29:54 | | Proudfoot K G & Richmond R | 21 (Artists) | 24 | | | | | Tyne |  |
| 1973 | | 23:22:51 | | Bulbeck J & Richmond R | 21 (Artists) | 14 | | | | | |  |
Richter Sarah | 24.2 | | | 50 | 2 | 0 | 0 | 0 | | |
| 2017 | | 24:40:15 | | Richter Sarah & Spanton Rachael | RAF & Reading | 57 | | | | | |  |
| 2019 | | 23:43:40 | | Richter Sarah & Astbury John | RAF | 43 | | | | | RAF |  |
Rickard D | 34.0 | | | 32 | 1 | 0 | 0 | 0 | | |
| 1961 | | 34:00:00 | | Williams P & Rickard D | RAF South Cerney | 32 | | | | | |  |
Rickards A | 50.3 | | | 42 | 1 | 0 | 0 | 0 | | |
| 1964 | | 50:20:51 | | Rickards A & Stainsby Thomas Alan | Hornsey Rover Scouts | 42 | | | | | |  |
Riddell Rory | 23.3 | | | 35 | 2 | 0 | 0 | 0 | | |
| 2008 | | 24:14:36 | | Everson Ben & Riddell Rory | Bristol UOTC | 32 | | | | | Reserve |  |
| 2009 | | 22:17:08 | | Blackburn Kieron & Riddell Rory | Bristol UOTC | 37 | | | | | Reserve |  |
Ridge Donna | 26.4 | | | 83 | 1 | 0 | 0 | 0 | | |
| 1992 | | 26:22:01 | | Ridge Donna & Yates Tracey | RAF CA | 83 | | | | | RAF |  |
Ridgley G C | 28.6 | | | 70 | 2 | 0 | 0 | 0 | | |
| 1992 | FB | 34:48:20 | | Webster B & Ridgley G C | Artists Rifles | 106 | | | | | |  |
| 1994 | FB | 22:26:34 | | Spinks R H & Ridgley G C | Artists Rifles | 34 | | | | | Tyne |  |
Ridgway J M | 32.6 | | | 18 | 2 | 0 | 0 | 0 | | |
| 1960 | | 38:05:00 | | Thomson C G & Ridgway J M | 3 Para | 21 | | | | | |  |
| 1961 | | 27:05:00 | | Ridgway J M & Thomson C G | 3 Para | 15 | | | | | |  |
Ridley R | 27.3 | | | 15 | 1 | 0 | 0 | 0 | | |
| 1963 | | 27:19:51 | | Ridley R & McEvoy A | RAF Oakington | 15 | | | | | |  |
Rigby P A | 36.6 | | | 79 | 1 | 0 | 0 | 0 | | |
| 1999 | | 36:37:33 | | Green M J W & Rigby P A | Nottingham | 79 | | | | | |  |
Rigg Alexander | 36.7 | | | 117 | 1 | 0 | 0 | 0 | | |
| 2015 | | 36:40:58 | | Rigg Alexander & Shirley Christopher | Royal Marines Reserve City Of London | 117 | | | | | |  |
Rigg Andy | 26.8 | | | 26 | 1 | 0 | 0 | 0 | | |
| 2003 | | 26:49:09 | | Rigg Andy & Rudd Dave | Artists Rifles | 26 | | | | | Reserve |  |
Riley Emma | 24.9 | | | 31 | 1 | 0 | 0 | 0 | | |
| 2026 | | 24:53:22 | | Riley Emma & Trower Amy | Fowey River & Tam | 31 | | | | | |  |
Riley M | 33.5 | | | 23 | 1 | 0 | 0 | 0 | | |
| 1963 | | 33:30:57 | | Riley M & Singleton P | St Marys College | 23 | | | | | |  |
Ringer-Hewitt P | 28.2 | | | 58 | 1 | 0 | 0 | 0 | | |
| 1997 | | 28:14:56 | | Monaghan Henry & Ringer-Hewitt P | Braintree | 58 | | | | | |  |
Ringer Alistair | 19.0 | | | 3 | 1 | 0 | 0 | 1 | | |
| 2004 | | 19:00:29 | | Ringer Alistair & Williams James | Cambridge University | 3 | | | | 1 | University |  |
Ringrose-Voase Christopher | 24.8 | | | 54 | 2 | 0 | 0 | 0 | | |
| 1992 | | 25:51:25 | | Creagh M P N & Ringrose-Voase Christopher | Winchester & District | 78 | | | | | |  |
| 2002 | | 23:50:02 | | Howe Barrie & Ringrose-Voase Christopher | Winchester & District | 29 | | | | | |  |
Rippington Samantha | 24.2 | | | 49 | 1 | 0 | 0 | 0 | | |
| 2017 | C2 | 24:11:02 | | Price Lisa & Rippington Samantha | Royal Leamington Spa | 49 | | | | | Ladies C2 |  |
Ritchie W | 34.6 | | | 29 | 1 | 0 | 0 | 0 | | |
| 1963 | | 34:36:56 | | Nuttall J W & Ritchie W | RAF Melksham | 29 | | | | | |  |
Ritson Stephen | 36.0 | | | 80 | 1 | 0 | 0 | 0 | | |
| 2002 | FB | 36:01:20 | | Ritson Stephen & Venus David | Royal Marines Reserve - Tyne | 80 | | | | | |  |
Rive R | 57.4 | | | 10 | 1 | 0 | 0 | 0 | | |