 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
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 | | |
| 1979 | | 29:37:10 | | Gordon N & Jenkins N | Llantwit Major SLSC | 58 | | | | | |  |
| 1983 | | 27:53:38 | | Jenkins N & Rowlands D | Rhoose Surf Saving C. | 44 | | | | | |  |
| 1984 | | 23:16:26 | | Jenkins N & Rowlands D | Surf Life Saving C of GB | 47 | | | | | |  |
Jenkins P | 19.0 | | | 16 | 2 | 0 | 0 | 0 | | |
| 1993 | | 19:26:25 | | Jenkins P & Hayward I C | Lowestoft & District | 21 | | | | | |  |
| 1994 | | 18:30:32 | | Jenkins P & Hayward I C | Lowestoft & District | 11 | | | | | |  |
Jenner R | 35.7 | | | 77 | 1 | 0 | 0 | 0 | | |
| 1981 | | 35:43:09 | | Jenner R & Johnson P | Independent (Royal Oak) | 77 | | | | | |  |
Jennings N P | 27.5 | | | 89 | 2 | 0 | 0 | 0 | | |
| 1987 | | 27:27:28 | | Jennings N P & Farmer P D | Pangbourne Youth Centre | 122 | | | | | |  |
| 1997 | | 27:32:05 | | Jennings N P & Farmer P D | Pangbourne | 55 | | | | | |  |
Jennings P | 29.4 | | | 39 | 1 | 0 | 0 | 0 | | |
| 1976 | | 29:22:45 | | Brettle L & Jennings P | Calshot | 39 | | | | | |  |
Jennings S A | 37.0 | | | 103 | 1 | 0 | 0 | 0 | | |
| 1991 | | 37:02:38 | | Jennings S A & Fisher J P | North Wiltshire TA | 103 | | | | | |  |
Jennings Susan Margaret | 35.9 | | | 100 | 1 | 0 | 0 | 0 | | |
| 1991 | | 35:56:45 | | Jennings Susan Margaret & Russell K J | Stoke Hammond Racing | 100 | | | | | |  |
Jenson P A | 25.9 | | | 56 | 1 | 0 | 0 | 0 | | |
| 1991 | | 25:56:47 | | Archer N & Jenson P A | Richmond | 56 | | | | | |  |
Jesson Chris | 32.4 | | | 103 | 2 | 0 | 0 | 0 | | |
| 2017 | FB | 32:28:12 | | Adams Matt & Jesson Chris | RMKA | 105 | | | | | |  |
| 2019 | FB | 32:19:08 | | Adams Matt & Jesson Chris | Royal Marines | 100 | | | | | |  |
Jesson Chris (Teddington) | 25.4 | | | 42 | 1 | 0 | 0 | 0 | | |
| 2024 | FB | 25:21:10 | | Adams Matt & Jesson Chris | Rmka | 42 | | | | | |  |
Jewell P | 42.5 | | | 37 | 1 | 0 | 0 | 0 | | |
| 1962 | | 42:33:00 | | Burns P & Jewell P | Royal Signals | 37 | | | | | |  |
Jewson G | 25.9 | | | 101 | 2 | 0 | 0 | 0 | | |
| 1987 | | 27:48:29 | | Jewson G & Blackburn P | Independent | 125 | | | | | |  |
| 1988 | | 24:04:59 | | Jewson G & Blackburn P | Independent | 76 | | | | | |  |
Jeyes J | 22.2 | | | 39 | 2 | 0 | 0 | 0 | | |
| 1985 | | 22:31:13 | | Lowandowskyj I & Jeyes J | 8th Regiment RCT | 41 | | | | | |  |
| 1986 | | 21:50:45 | | Lewandowskyj I & Jeyes J | 8th Regiment RCT | 36 | | | | | |  |
Johansen Mark | 21.2 | | | 14 | 1 | 0 | 0 | 0 | | |
| 2002 | | 21:12:41 | | Damant Simon & Johansen Mark | Artists Rifles | 14 | | | | | |  |
John Barry | 26.5 | | | 51 | 1 | 0 | 0 | 0 | | |
| 2004 | | 26:28:35 | | Wilkens Simon & John Barry | Soar Valley | 51 | | | | | |  |
John Morris | 29.3 | | | 113 | 1 | 0 | 0 | 0 | | |
| 2009 | C2 | 29:18:17 | | McCue Ian & John Morris | GVP & 5th Carmarthen | 113 | | | | | |  |
John Robert | 29.7 | | | 115 | 1 | 0 | 0 | 0 | | |
| 2009 | | 29:42:52 | | John Robert & Hutchings Andrew | GORDANO SCOUTS | 115 | | | | | |  |
John S A | 26.1 | | | 50 | 1 | 0 | 0 | 0 | | |
| 1979 | | 26:03:08 | | Morley J P & John S A | 2nd Woodley Venture Scouts | 50 | | | | | |  |
Johncock S A | 24.7 | | | 71 | 1 | 0 | 0 | 0 | | |
| 1989 | | 24:43:27 | | Johncock S A & Tretease R J | Devon Fire and Rescue Service | 71 | | | | | |  |
Johncox G P | 25.0 | | | 47 | 1 | 0 | 0 | 0 | | |
| 1991 | | 25:01:56 | | Johncox G P & McNuff Susan | Royal | 47 | | | | | |  |
Johns D M | 35.3 | | | 103 | 1 | 0 | 0 | 0 | | |
| 1985 | | 35:19:03 | | Deeming S J & Johns D M | British Seamans Boys Home | 103 | | | | | |  |
Johns Robert | 21.5 | | | 26 | 1 | 0 | 0 | 0 | | |
| 2009 | | 21:27:02 | | Johns Robert & Stonestreet Andrew | Royal Engineers | 26 | | | | | |  |
Johnson-Ferguson J H | 37.9 | | | 135 | 1 | 0 | 0 | 0 | | |
| 1988 | | 37:54:45 | | Gunn M J S & Johnson-Ferguson J H | Independent & Royal | 135 | | | | | |  |
Johnson A | 59.2 | | | 94 | 1 | 0 | 0 | 0 | | |
| 1981 | | 59:10:56 | | Crawford A & Johnson A | 6 Fd. force Ordnance Coy. | 94 | | | | | |  |
Johnson Alan | 27.1 | | | 78 | 1 | 0 | 0 | 0 | | |
| 1982 | | 27:07:32 | | Colegate M & Johnson Alan | Tonbridge | 78 | | | | | |  |
Johnson Andrew | 23.8 | | | 40 | 2 | 0 | 0 | 0 | | |
| 2004 | | 21:53:28 | | Baugh William & Johnson Andrew | Royal Engineers | 17 | | | | | |  |
| 2012 | | 25:41:56 | | Petty Steven & Johnson Andrew | Royal Navy Kayak Association & Independent | 62 | | | | | |  |
Johnson B | 37.0 | | | 25 | 1 | 0 | 0 | 0 | | |
| 1965 | | 36:58:40 | | Johnson B & Braithwaite D | RMA Sandhurst | 25 | | | | | |  |
Johnson Barry | 33.2 | | | 45 | 2 | 0 | 0 | 0 | | |
| 1975 | | 39:59:32 | | Hossack D J & Johnson Barry | 12th Windsor VSU | 57 | | | | | |  |
| 1977 | | 26:24:03 | | Johnson Barry & Johnson Diana | Leverton | 33 | | | | | |  |
Johnson C | 31.5 | | | 55 | 1 | 0 | 0 | 0 | | |
| 1983 | | 31:32:04 | | Leslie D & Johnson C | Independent | 55 | | | | | |  |
Johnson Carter | 18.1 | | | 3 | 1 | 0 | 0 | 1 | | |
| 2009 | | 18:07:09 | | Kelly David & Johnson Carter | Easy Living | 3 | | | | 1 | Overseas |  |
Johnson D | 34.6 | | | 27 | 3 | 0 | 1 | 0 | | |
| 1961 | | 47:43:30 | | Johnson D & Larder J | Independent | 54 | | | | | |  |
| 1964 | | 23:01:03 | | Gmach J & Johnson D | New Zealand & BCU | 2 | | | 1 | | Civilian |  |
| 1968 | | 32:59:30 | | Johnson D & Ashley S | 4 Admirals | 26 | | | | | |  |
Johnson Diana | 28.8 | | | 33 | 2 | 0 | 0 | 0 | | |
| 1976 | | 31:06:00 | | Hossack Maurene & Johnson Diana | Leverton | 33 | | | | | |  |
| 1977 | | 26:24:03 | | Johnson Barry & Johnson Diana | Leverton | 33 | | | | | |  |
Johnson G C | 50.3 | | | 149 | 1 | 0 | 0 | 0 | | |
| 1988 | C2 | 50:21:20 | | White T & Johnson G C | Independent | 149 | | | | | |  |
Johnson Gary | 23.3 | | | 34 | 11 | 0 | 0 | 0 | | |
| 2013 | | 24:58:50 | | Aldridge Keith & Johnson Gary | Independent | 51 | | | | | |  |
| 2014 | | 23:49:26 | | Johnson Gary & Livingstone Duncan | Independent | 46 | | | | | |  |
| 2015 | | 24:53:18 | | Johnson Gary & Williams Edward | Artists Rifles | 67 | | | | | |  |
| 2016 | | 23:29:43 | | Johnson Gary & Murphy Alan | Independent | 38 | | | | | |  |
| 2017 | | 23:57:23 | | Johnson Gary & Livingstone Duncan | Artists Rifles | 43 | | | | | |  |
| 2019 | | 23:01:28 | | Johnson Gary & Livingstone Duncan | Artists Rifles | 33 | | | | | |  |