 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
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 | | | | | |  |
Robertson C | 29.6 | | | 17 | 1 | 0 | 0 | 0 | | |
| 1964 | | 29:39:45 | | McGaughey A & Robertson C | Royal Marines Eastney | 17 | | | | | |  |
Robertson P | 24.1 | | | 15 | 1 | 0 | 0 | 0 | | |
| 1971 | | 24:06:24 | | Lewis I J & Robertson P | Royal Marines | 15 | | | | | |  |
Robins Darrell | 25.4 | | | 58 | 1 | 0 | 0 | 0 | | |
| 2013 | | 25:22:24 | | Bucknall David & Robins Darrell | Independent | 58 | | | | | |  |
Robins Guy | 27.9 | | | 32 | 1 | 0 | 0 | 0 | | |
| 2003 | | 27:56:55 | | Pearce Ray & Robins Guy | Banbury | 32 | | | | | |  |
Robinson A | 54.3 | | | 98 | 2 | 0 | 0 | 0 | | |
| 1968 | | 57:57:00 | | Robinson A & Graham D | Dept & Training Est RMP | 46 | | | | | |  |
| 1988 | | 50:42:30 | | Robinson A & Lowings A | Kensington Rowing Club | 150 | | | | | |  |
Robinson A C | 23.6 | | | 26 | 1 | 0 | 0 | 0 | | |
| 1998 | | 23:38:31 | | Robinson A C & Harris Peter | Blackwater Valley | 26 | | | | | |  |
Robinson Alan | 26.7 | | | 76 | 1 | 0 | 0 | 0 | | |
| 2013 | | 26:44:14 | | Garthwaite Richard & Robinson Alan | Army Canoe Union | 76 | | | | | |  |
Robinson B | 49.4 | | | 56 | 1 | 0 | 0 | 0 | | |
| 1961 | | 49:25:00 | | Strain D & Robinson B | Wimbledon YMCA | 56 | | | | | |  |
Robinson Brennan | 24.7 | | | 22 | 1 | 0 | 0 | 0 | | |
| 2025 | | 24:40:00 | | Robinson Brennan & Renko Miha | Cambridge | 22 | | | | | |  |
Robinson C P | 24.0 | | | 78 | 1 | 0 | 0 | 0 | | |
| 1987 | | 23:59:44 | | Robinson C P & Paice A | Reading and Leighton Park | 78 | | | | | |  |
Robinson Kate | 25.7 | | | 80 | 1 | 0 | 0 | 0 | | |
| 2009 | | 25:43:16 | | Adams Tamsin & Robinson Kate | Oxford Brookes University | 80 | | | | | |  |
Robinson Kim | 29.8 | | | 68 | 1 | 0 | 0 | 0 | | |
| 2002 | | 29:50:01 | | Gourley Robert & Robinson Kim | Three Spires | 68 | | | | | Scouts |  |
Robinson R | 25.2 | | | 16 | 1 | 0 | 0 | 0 | | |
| 1976 | | 25:14:00 | | Hudson K J & Robinson R | Woking Sea Scouts | 16 | | | | | |  |
Robinson Richard | 20.9 | | | 20 | 2 | 0 | 0 | 0 | | |
| 2010 | | 22:10:49 | | Robinson Richard & Dillion Ian | Bradford On Avon | 35 | | | | | |  |
| 2014 | | 19:43:21 | | Hystek Tony & Robinson Richard | International | 5 | | | | | Overseas |  |
Robinson S | 37.1 | | | 54 | 1 | 0 | 0 | 0 | | |
| 1998 | | 37:06:43 | | Deninson J & Robinson S | Independent | 54 | | | | | |  |
Robinson T | 35.4 | | | 122 | 1 | 0 | 0 | 0 | | |
| 1984 | | 35:26:15 | | Hutchinson J & Robinson T | Queens University Air Sqn. | 122 | | | | | |  |
Robinson Tolly | 24.4 | | | 47 | 1 | 0 | 0 | 0 | | |
| 2012 | | 24:26:22 | | Robinson Tolly & Haywood Stuart | University Of Liverpool & Liverpool | 47 | | | | | |  |
Robson Alan | 23.0 | | | 36 | 1 | 0 | 0 | 0 | | |
| 2007 | | 23:02:04 | | Robson Alan & Harris Robin | Addlestone | 36 | | | | | |  |
Robson Daniel | 24.7 | | | 51 | 1 | 0 | 0 | 0 | | |
| 2012 | | 24:43:52 | | Borrett William & Robson Daniel | Meridian | 51 | | | | | |  |
Robson M | 25.5 | | | 37 | 1 | 0 | 0 | 0 | | |
| 1996 | | 25:28:50 | | Robson M & Taylor A | Royal Marine Association | 37 | | | | | |  |
Roche D | 27.4 | | | 81 | 1 | 0 | 0 | 0 | | |
| 1982 | | 27:26:54 | | Leslie D & Roche D | 47th Newham Scouts | 81 | | | | | |  |
Rodda R | 36.6 | | | 9 | 1 | 0 | 0 | 0 | | |
| 1957 | FB | 36:36:00 | | Rodda R & Finished Alone | 21 (Artists) | 9 | | | | | Special |  |
Rodden J P | 22.8 | | | 29 | 1 | 0 | 0 | 0 | | |
| 1999 | | 22:49:08 | | Rodden J P & Lewis J A | Royal Engineers | 29 | | | | | |  |
Rodgers J | 25.3 | | | 41 | 1 | 0 | 0 | 0 | | |
| 1997 | | 25:17:18 | | Rodgers J & Helmer Ray | Truro & Hayle Racing | 41 | | | | | |  |
Rodgers Janet | 63.5 | | | 148 | 1 | 0 | 0 | 0 | | |
| 1984 | | 63:28:45 | | Pyer M H & Rodgers Janet | Independent | 148 | | | | | |  |
Rodgers Jim | 25.4 | | | 76 | 1 | 0 | 0 | 0 | | |
| 2009 | | 25:21:56 | | Fuszard Mark & Rodgers Jim | Truro & Hayle Racing | 76 | | | | | |  |
Rodinger Heinz | 21.9 | | | 42 | 3 | 0 | 0 | 0 | | |