 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
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 | | |
| 1958 | | 57:26:00 | | Lewis M A & Rive R | Hayes Youth Club | 10 | | | | | |  |
Rixson | 23.1 | | | 35 | 1 | 0 | 0 | 0 | | |
| 1979 | | 23:06:08 | | Kirtley J B & Rixson | Royal Marines | 35 | | | | | |  |
Robbins C D J | 50.2 | | | 119 | 1 | 0 | 0 | 0 | | |
| 1993 | C2 | 50:15:10 | | Robbins C D J & Norman R E | 1st Parkstone Scout Group | 119 | | | | | Veteran |  |
Robbins J C | 30.3 | | | 13 | 1 | 0 | 0 | 0 | | |
| 1965 | | 30:20:40 | | Robbins J C & Bradshaw E H | Culham College | 13 | | | | | |  |
Robbins K | 22.1 | | | 25 | 1 | 0 | 0 | 0 | | |
| 1980 | | 22:04:35 | | Robbins K & Metcalfe R J | Chippenham | 25 | | | | | |  |
Robbins P | 26.5 | | | 63 | 1 | 0 | 0 | 0 | | |
| 1995 | C2 | 26:28:50 | | Robbins P & Green N | Poole Harbour | 63 | | | | | |  |
Roberfroid J | 29.4 | | | 29 | 2 | 0 | 0 | 0 | | |
| 1974 | | 31:31:43 | | Roberfroid J & Speeckaert G | Para-Commando Belgium | 21 | | | | | |  |
| 1975 | | 27:14:09 | | Roberfroid J & Speeckaert G | Para-Commando Belgium | 36 | | | | | |  |
Roberson S N | 24.9 | | | 57 | 2 | 0 | 0 | 0 | | |
| 1991 | | 25:36:29 | | Watt D J & Roberson S N | Royal Marines Reserve - London | 53 | | | | | |  |
| 1992 | | 24:10:53 | | Roberson S N & Rudman P J | Royal Marines Reserve - London | 61 | | | | | |  |
Robert Iain | 23.2 | | | 18 | 1 | 0 | 0 | 0 | | |
| 2025 | | 23:12:45 | | Clarke Peter & Robert Iain | Devizes & Sutton Bingham and District | 18 | | | | | |  |
Robertfraid L | 36.0 | | | 51 | 1 | 0 | 0 | 0 | | |
| 1972 | | 35:58:00 | | Robertfraid L & Speeckaert G | Para-Commando Belgium | 51 | | | | | |  |
Roberts | 43.5 | | | 28 | 1 | 0 | 0 | 0 | | |
| 1965 | | 43:33:25 | | Roberts & Powell | 1st Bn Queens Own Buffs | 28 | | | | | |  |
Roberts A | 37.8 | | | 32 | 2 | 0 | 0 | 0 | | |
| 1964 | | 33:44:36 | | Roberts C & Roberts A | Sundowners Canoe Racing Club | 28 | | | | | |  |
| 1966 | | 41:54:09 | | Hooper C A & Roberts A | RAF Cranwell | 35 | | | | | |  |
Roberts A D | 26.3 | | | 109 | 1 | 0 | 0 | 0 | | |
| 1987 | | 26:15:30 | | Price R & Roberts A D | Independent | 109 | | | | | |  |
Roberts A W | 24.9 | | | 11 | 2 | 0 | 0 | 0 | | |
| 1968 | | 25:34:00 | | Roberts A W & Prance R J | Reading | 9 | | | | | |  |
| 1969 | | 24:14:52 | | Roberts A W & Prance R J | Reading | 12 | | | | | |  |
Roberts Andrew | 23.8 | | | 52 | 3 | 0 | 0 | 0 | | |
| 2009 | | 27:23:58 | | Morton Benjamin & Roberts Andrew | Independent | 100 | | | | | |  |
| 2010 | | 21:56:43 | | Roberts Andrew & Brown Rupert | Independent | 29 | | | | | |  |
| 2014 | | 22:04:36 | | Brown Rupert & Roberts Andrew | Independent | 26 | | | | | |  |
Roberts BJ | 21.0 | | | 19 | 1 | 0 | 0 | 0 | | |
| 1984 | | 21:01:45 | | Bannister Peter & Roberts BJ | Hadlow Venture Sea Scouts | 19 | | | | | |  |
Roberts C | 33.7 | | | 28 | 1 | 0 | 0 | 0 | | |
| 1964 | | 33:44:36 | | Roberts C & Roberts A | Sundowners Canoe Racing Club | 28 | | | | | |  |
Roberts C G | 36.4 | | | 46 | 3 | 0 | 0 | 0 | | |
| 1972 | | 25:26:51 | | Tucker A F & Roberts C G | Reading | 36 | | | | | |  |
| 1975 | | 47:59:17 | | Tucker A F & Roberts C G | Reading | 59 | | | | | |  |
| 1977 | C2 | 35:44:10 | | Tucker A F & Roberts C G | Reading and Leighton Park | 44 | | | | | Canadian |  |
Roberts C J | 34.7 | | | 51 | 1 | 0 | 0 | 0 | | |
| 1998 | | 34:45:47 | | Mickleburgh J R & Roberts C J | Independent | 51 | | | | | |  |
Roberts C M | 28.6 | | | 108 | 1 | 0 | 0 | 0 | | |
| 1984 | | 28:38:06 | | Amold J M & Roberts C M | Wodifals | 108 | | | | | |  |
Roberts D | 33.5 | | | 30 | 1 | 0 | 0 | 0 | | |
| 1968 | | 33:32:00 | | Roberts D & Peacock L | Welsh Harp Sailing Base | 30 | | | | | |  |
Roberts D A | 26.1 | | | 80 | 1 | 0 | 0 | 0 | | |
| 1992 | | 26:07:31 | | Walker R F & Roberts D A | Independent | 80 | | | | | |  |
Roberts D M | 22.6 | | | 39 | 1 | 0 | 0 | 0 | | |
| 1984 | | 22:33:03 | | King P A E & Roberts D M | 8th Regiment RCT | 39 | | | | | |  |
Roberts Gareth | 38.8 | | | 67 | 1 | 0 | 0 | 0 | | |
| 2004 | | 38:51:49 | | Johnstone David & Roberts Gareth | Royal Marines (Henley Det) | 67 | | | | | |  |
Roberts Graham | 29.2 | | | 56 | 4 | 0 | 0 | 0 | | |
| 1996 | | 37:07:42 | | Roberts Graham & Murr Antony | Independent | 67 | | | | | |  |
| 1997 | | 26:46:07 | | Roberts Graham & Murr Antony | Independent | 51 | | | | | |  |
| 1999 | | 26:29:48 | | Roberts Graham & Murr Antony | Independent | 55 | | | | | |  |
| 2004 | | 26:30:49 | | Roberts Graham & Murr Antony | Independent | 52 | | | | | |  |
Roberts I E | 25.3 | | | 98 | 1 | 0 | 0 | 0 | | |
| 1988 | | 25:19:55 | | Ryan P J & Roberts I E | 59 IND.CDO.SQN.RE | 98 | | | | | |  |
Roberts Joanna | 29.5 | | | 92 | 1 | 0 | 0 | 0 | | |
| 2011 | | 29:32:08 | | Roberts Joanna & Pawlowski Nathan | Independent | 92 | | | | | |  |
Roberts Mike | 36.6 | | | 108 | 1 | 0 | 0 | 0 | | |
| 2012 | | 36:36:08 | | Roberts Mike & Parker Alistair | Tewkesbury Tri Club | 108 | | | | | |  |
Roberts N | 38.0 | | | 90 | 1 | 0 | 0 | 0 | | |
| 1981 | | 38:01:00 | | Roberts N & Carter M | Rushmoor Lifeguards | 90 | | | | | |  |
Roberts Nick | 23.6 | | | 32 | 1 | 0 | 0 | 0 | | |
| 2011 | | 23:33:32 | | Jones Sam & Roberts Nick | Oxford University | 32 | | | | | University |  |
Roberts P | 41.7 | | | 119 | 3 | 0 | 0 | 0 | | |
| 1989 | | 31:12:06 | | Perm R W & Roberts P | Independent | 102 | | | | | |  |
| 1990 | | 57:42:15 | | Roberts P & Leedham M A | Independent | 152 | | | | | |  |
| 1991 | | 36:10:30 | | Grenter G & Roberts P | 1st Woodley Venture Scouts | 102 | | | | | |  |
Roberts R | 25.6 | | | 81 | 1 | 0 | 0 | 0 | | |
| 1993 | FB | 25:39:50 | | Roberts R & Skipworth P H | Artists Rifles | 81 | | | | | Tyne |  |
Roberts R N | 59.5 | | | 58 | 1 | 0 | 0 | 0 | | |
| 1969 | | 59:30:34 | | Wells M S & Roberts R N | RAF West Raynham | 58 | | | | | |  |
Robertshaw N J | 21.1 | | | 24 | 1 | 0 | 0 | 0 | | |
| 1986 | | 21:03:27 | | Chichlowski W & Robertshaw N J | Independent | 24 | | | | | |  |
Robertshaw P | 18.0 | | | 2 | 1 | 0 | 1 | 0 | | |
| 1984 | | 17:58:10 | | Robertshaw P & Heath A | Royal Engineers | 2 | | | 1 | | Army,Services |  |
Robertson A S | 36.2 | | | 98 | 1 | 0 | 0 | 0 | | |
| 1995 | | 36:10:20 | | Wood A C & Robertson A S | Royal Engineers | 98 | | | | | |  |