 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
|---|
 James P C | 38.1 | | | 15 | 1 | 0 | 0 | 0 | | |
| 1959 | | 38:05:50 | | Hodgkinson K J & James P C | Royal Marines | 15 | | | | | | |
| James Peter | 21.7 | | | 16 | 2 | 0 | 0 | 0 | | |
| 2002 | | 21:42:51 | | James Peter & Norona Dave | Bristol & Deep Cove | 16 | | | | | | |
| 2004 | | 21:38:19 | | James Peter & Taylor Jules | Bristol | 15 | | | | | | |
| James R | 38.0 | | | 36 | 1 | 0 | 0 | 0 | | |
| 1964 | | 38:02:12 | | James R & Shepherd B | 8th Ruislip Sea Scouts | 36 | | | | | | |
| James Robert | 30.0 | | | 95 | 2 | 0 | 0 | 0 | | |
| 2016 | FB | 30:08:05 | | Ellis James & James Robert | Artists Rifles | 89 | | | | | | |
| 2017 | FB | 29:48:41 | | James Robert & Lynch Rory | Artists Rifles | 101 | | | | | | |
| James Sean | 33.0 | | | 97 | 1 | 0 | 0 | 0 | | |
| 2012 | | 33:03:34 | | Payne Mark & James Sean | Independent | 97 | | | | | | |
| James W R | 28.5 | | | 67 | 1 | 0 | 0 | 0 | | |
| 1991 | C2 | 28:32:02 | | Neate R G & James W R | Independent | 67 | | | | | | |
| Jameson Mark | 25.2 | | | 57 | 1 | 0 | 0 | 0 | | |
| 2012 | | 25:10:46 | | Jameson Robert & Jameson Mark | Avon and Somerset Constabulary & Royal Navy Kayak Association | 57 | | | | | | |
| Jameson Robert | 25.2 | | | 57 | 1 | 0 | 0 | 0 | | |
| 2012 | | 25:10:46 | | Jameson Robert & Jameson Mark | Avon and Somerset Constabulary & Royal Navy Kayak Association | 57 | | | | | | |
| Janczak B R | 39.5 | | | 69 | 1 | 0 | 0 | 0 | | |
| 1983 | | 39:32:00 | | Lewin M A & Janczak B R | RNA | 69 | | | | | | |
| Janssen M | 47.8 | | | 49 | 1 | 0 | 0 | 0 | | |
| 1970 | | 47:50:30 | | Janssen M & Nobilio P | Para-Commando Belgium | 49 | | | | | | |
| Jardine G | 21.0 | | | 14 | 3 | 0 | 0 | 0 | | |
| 1981 | | 20:12:11 | | Oliver P A & Jardine G | Royal Engineers | 8 | | | | | | |
| 1983 | | 23:24:36 | | Smith S & Jardine G | Royal Engineers | 21 | | | | | | |
| 1987 | | 19:17:30 | | Bird A & Jardine G | Royal Engineers | 13 | | | | | Army | |
| Jardine Matthew | 23.5 | | | 24 | 3 | 0 | 0 | 0 | | |
| 2026 | | 23:28:58 | | Smith Harry & Jardine Matthew | Independent | 24 | | | | | | |
| 2026 | | 23:28:58 | | Smith Harry & Jardine Matthew | Independent | 24 | | | | | | |
| 2026 | | 23:28:58 | | Smith Harry & Jardine Matthew | Independent | 24 | | | | | | |
| Jarratt Connor | 21.0 | | | 11 | 1 | 0 | 0 | 0 | | |
| 2016 | | 20:58:02 | | Jarratt Connor & Amies Jay | Army Canoe Union | 11 | | | | | Army | |
| Jarratt P R | 35.8 | | | 49 | 1 | 0 | 0 | 0 | | |
| 1972 | | 35:50:15 | | Jarratt P R & Williams | Sheffield | 49 | | | | | | |
| Jarratt Theo | 25.9 | | | 48 | 4 | 0 | 0 | 0 | | |
| 2017 | | 29:31:05 | | Jarratt Theo & Beeson Andrew | Lincoln | 100 | | | | | | |
| 2026 | | 24:42:58 | | Jarratt Theo & Carter Gary | Lincoln | 30 | | | | | | |
| 2026 | | 24:42:58 | | Jarratt Theo & Carter Gary | Lincoln | 30 | | | | | | |
| 2026 | | 24:42:58 | | Jarratt Theo & Carter Gary | Lincoln | 30 | | | | | | |
| Jarratt Theo (Teddington) | 21.0 | | | 29 | 2 | 0 | 0 | 0 | | |
| 2022 | | 22:17:01 | | Jarratt Theo & Carter Gary | Lincoln | 33 | | | | | | |
| 2024 | | 19:48:30 | | Jarratt Theo & Carter Gary | Lincoln | 25 | | | | | | |
| Jarvis Ben | 22.9 | | | 36 | 2 | 0 | 0 | 0 | | |
| 2010 | | 23:44:18 | | Homersham Paul & Jarvis Ben | Reading & Independent | 58 | | | | | | |
| 2012 | | 21:59:33 | | Homersham Paul & Jarvis Ben | Reading & Independent | 14 | | | | | | |
| Jarvis R D | 24.2 | | | 70 | 4 | 0 | 0 | 0 | | |
| 1987 | | 25:40:48 | | Young J I & Jarvis R D | Aylesbury | 102 | | | | | | |
| 1988 | | 26:00:00 | | Young J I & Jarvis R D | Aylesbury | 104 | | | | | | |
| 1989 | | 21:51:19 | | Jarvis R D & Inns S L | Milton Keynes | 38 | | | | | | |
| 1991 | | 23:20:46 | | Jarvis R D & Angrisano M | Aylesbury | 35 | | | | | | |
| Jay K | 37.0 | | | 60 | 1 | 0 | 0 | 0 | | |
| 1983 | | 37:01:38 | | Evans D & Jay K | Independent | 60 | | | | | | |
| Jayne Helen | 29.0 | | | 99 | 1 | 0 | 0 | 0 | | |
| 1986 | | 28:59:22 | | Cockerton Paula D & Jayne Helen | Pangbourne Advent. Dolphin | 99 | | | | | Ladies | |
| Jeacock S W | 22.6 | | | 24 | 2 | 0 | 0 | 0 | | |
| 1978 | | 22:40:48 | | Jeacock S W & Noxon C F | Aylesbury | 27 | | | | | | |
| 1981 | | 22:26:31 | | Jeacock S W & Beckett A J | Milton Keynes | 21 | | | | | | |
| Jeavons S C | 73.1 | | | 113 | 1 | 0 | 0 | 0 | | |
| 1994 | | 73:07:00 | | Jeavons S C & Waterhouse E C | University of Plymouth | 113 | | | | | | |
| Jeddere-Rsher K C | 29.9 | | | 98 | 1 | 0 | 0 | 0 | | |
| 1989 | | 29:52:23 | | Jeddere-Rsher K C & Lyddiatt D | Marlow | 98 | | | | | | |
| Jefferies G | 51.0 | | | 30 | 1 | 0 | 0 | 0 | | |
| 1974 | | 51:00:30 | | Moore D & Jefferies G | Melksham Rover Scouts | 30 | | | | | | |
| Jefferies S | 24.7 | | | 73 | 1 | 0 | 0 | 0 | | |
| 1986 | | 24:40:02 | | Pratt A & Jefferies S | Independent | 73 | | | | | | |
| Jeffery Lizzy | 24.3 | | | 25 | 3 | 0 | 0 | 0 | | |
| 2026 | | 24:17:00 | | Williams Ben & Jeffery Lizzy | Churchers | 25 | | | | | | |
| 2026 | | 24:17:00 | | Williams Ben & Jeffery Lizzy | Churchers | 25 | | | | | | |
| 2026 | | 24:17:00 | | Williams Ben & Jeffery Lizzy | Churchers | 25 | | | | | | |
| Jeffreson Graham | 22.7 | | | 28 | 1 | 0 | 0 | 0 | | |
| 2013 | | 22:43:37 | | Jeffreson Nigel & Jeffreson Graham | Southampton | 28 | | | | | | |
| Jeffreson Nigel | 24.0 | | | 43 | 2 | 0 | 0 | 0 | | |
| 2012 | | 25:17:08 | | Jeffreson Nigel & Murrell Jim | Southampton | 58 | | | | | | |
| 2013 | | 22:43:37 | | Jeffreson Nigel & Jeffreson Graham | Southampton | 28 | | | | | | |
| Jeffries G J | 33.3 | | | 106 | 1 | 0 | 0 | 0 | | |
| 1986 | | 33:20:21 | | Jeffries G J & Hayward R E | Independent | 106 | | | | | | |
| Jeffs Simon | 26.8 | | | 92 | 1 | 0 | 0 | 0 | | |
| 2009 | | 26:47:24 | | Jeffs Simon & Gearing Robert | Marlow | 92 | | | | | | |
| Jelf Richard | 25.9 | | | 41 | 1 | 0 | 0 | 0 | | |
| 2008 | | 25:56:38 | | Baxter Michael & Jelf Richard | Richmond | 41 | | | | | | |
| Jenkin Dan | 25.1 | | | 39 | 1 | 0 | 0 | 0 | | |
| 2008 | | 25:08:56 | | Jenkin Dan & Murray Dave | TWC | 39 | | | | | | |
| Jenkins Anita | 23.6 | | | 50 | 1 | 0 | 0 | 0 | | |
| 2015 | | 23:36:28 | | Heath Roger & Jenkins Anita | Independent | 50 | | | | | | |
| Jenkins Carl | 34.3 | | | 72 | 1 | 0 | 0 | 0 | | |
| 2006 | C2 | 34:20:02 | | Jenkins Carl & Searight William | Independent | 72 | | | | | | |
| Jenkins D | 25.8 | | | 103 | 1 | 0 | 0 | 0 | | |
| 1988 | | 25:50:30 | | Atkinson N & Jenkins D | Princess Marina College | 103 | | | | | | |
| Jenkins G R | 23.5 | | | 59 | 1 | 0 | 0 | 0 | | |
| 1989 | | 23:28:31 | | Jenkins G R & Rogers J P R | Friends of Allonby . & Blackwater Valley | 59 | | | | | | |
| Jenkins Harry | 29.0 | | | 87 | 1 | 0 | 0 | 0 | | |
| 2016 | | 28:59:40 | | Jenkins Harry & Woodward Matt | Army Canoe Union | 87 | | | | | | |
| Jenkins Jay | 20.1 | | | 5 | 1 | 0 | 0 | 0 | | |
| 2012 | | 20:04:58 | | Lavarack Michael & Jenkins Jay | Richmond & Natal | 5 | | | | | | |
| Jenkins John | 57.2 | | | 4 | 1 | 0 | 0 | 0 | | |
| 1954 | | 57:10:00 | | Jenkins John & Gerraed Eric | County Tech Stafford | 4 | | | | | | |
| Jenkins Linda Karen | 50.7 | | | 125 | 2 | 0 | 0 | 0 | | |
| 1990 | | 74:20:42 | | Lewis Susan Elizabeth & Jenkins Linda Karen | Independent | 160 | | | | | | |
| 1993 | | 26:59:45 | | Walkers R G & Jenkins Linda Karen | Independent | 89 | | | | | | |
 Jenkins N | 26.9 | | | 50 | 3 | 0 | 0 | 0 | | |