 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
Kelly N | 30.0 | | | 102 | 2 | 0 | 0 | 0 | | |
| 1988 | | 34:26:30 | | Kelly N & Popowicz J | Independent | 122 | | | | | |  |
| 1989 | | 25:32:02 | | Kelly N & Gray D | Wiltshire Fire Brigade | 82 | | | | | |  |
Kelly Nanette | 19.8 | | | 8 | 2 | 0 | 0 | 0 | | |
| 2008 | | 19:44:03 | | Kelly Nanette & Shelley Piran | Richmond | 9 | | | | | Mixed |  |
| 2014 | | 19:48:35 | | Kelly Nanette & Stainsby Robert | Richmond | 7 | | | | | |  |
Kelly P A | 41.3 | | | 34 | 1 | 0 | 0 | 0 | | |
| 1966 | | 41:19:00 | | March J C & Kelly P A | RAF Cranwell | 34 | | | | | |  |
Kelly Peter | 22.0 | | | 28 | 1 | 0 | 0 | 0 | | |
| 2015 | | 22:01:55 | | Derham Simon & Kelly Peter | Independent | 28 | | | | | |  |
Kelly R D | 22.0 | | | 15 | 1 | 0 | 0 | 0 | | |
| 1972 | | 22:02:04 | | Andrews M J & Kelly R D | Royal Marines | 15 | | | | | |  |
Kelly Steve | 25.4 | | | 70 | 1 | 0 | 0 | 0 | | |
| 2014 | | 25:25:56 | | Kelly Steve & Sanigar Andrew | National & Devizes | 70 | | | | | |  |
Kelly Thomas | 22.1 | | | 18 | 3 | 0 | 0 | 0 | | |
| 2026 | | 22:04:13 | | Johnson Gary & Kelly Thomas | Independent & Tonbridge | 18 | | | | | |  |
| 2026 | | 22:04:13 | | Johnson Gary & Kelly Thomas | Independent & Tonbridge | 18 | | | | | |  |
| 2026 | | 22:04:13 | | Johnson Gary & Kelly Thomas | Independent & Tonbridge | 18 | | | | | |  |
Kemlo Robert | 23.4 | | | 54 | 1 | 0 | 0 | 0 | | |
| 2010 | | 23:24:45 | | Kemlo Robert & Clark William | Reading University & Reading | 54 | | | | | University |  |
Kemp A H | 23.3 | | | 46 | 1 | 0 | 0 | 0 | | |
| 1984 | | 23:16:01 | | Brown K & Kemp A H | University of York | 46 | | | | | |  |
Kemp Charlie | 26.6 | | | 56 | 1 | 0 | 0 | 0 | | |
| 1999 | | 26:39:10 | | Kemp Charlie & Jackson Sarah | Royal | 56 | | | | | |  |
Kemp G J | 24.3 | | | 63 | 1 | 0 | 0 | 0 | | |
| 1990 | | 24:16:40 | | Boarer M & Kemp G J | Jersey | 63 | | | | | |  |
Kemp N | 41.0 | | | 100 | 1 | 0 | 0 | 0 | | |
| 1997 | FB | 41:01:19 | | Kemp N & Deshmukh A | Artists Rifles | 100 | | | | | |  |
Kenna Matthew | 27.9 | | | 75 | 1 | 0 | 0 | 0 | | |
| 2011 | | 27:56:57 | | Kenna Matthew & Winslade Glenn | Independent | 75 | | | | | |  |
Kennedy B | 54.1 | | | 54 | 1 | 0 | 0 | 0 | | |
| 1977 | | 54:08:50 | | Westlake-Toms J S & Kennedy B | 22 Lt AD REgt & S Wales Echo | 54 | | | | | |  |
Kennedy C J | 26.8 | | | 23 | 1 | 0 | 0 | 0 | | |
| 1969 | | 26:49:00 | | Davies M & Kennedy C J | RAF Cranwell | 23 | | | | | |  |
Kennedy G | 20.9 | | | 12 | 1 | 0 | 0 | 0 | | |
| 1977 | | 20:55:48 | | Kennedy G & Hogdson R | Newham | 12 | | | | | |  |
Kennedy J J | 19.2 | | | 2 | 2 | 1 | 1 | 0 | | |
| 1983 | | 19:56:50 | | O'Donovan D & Kennedy J J | Argonauts - Cork | 1 | | 1 | | | Civilian |  |
| 1985 | | 18:27:10 | | O'Donovan D & Kennedy J J | Richmond | 2 | | | 1 | | |  |
Kennedy J P | 40.7 | | | 72 | 1 | 0 | 0 | 0 | | |
| 1996 | | 40:43:15 | | Kennedy J P & Hamilton R | Independent | 72 | | | | | |  |
Kennedy Jonathan | 30.7 | | | 101 | 1 | 0 | 0 | 0 | | |
| 2011 | | 30:44:20 | | Mason David & Kennedy Jonathan | Independent | 101 | | | | | |  |
Kennedy Robert | 25.6 | | | 75 | 1 | 0 | 0 | 0 | | |
| 2014 | | 25:36:20 | | Barnes Ross & Kennedy Robert | Pea Brain Endurance | 75 | | | | | |  |
Kenny Megan | 22.8 | | | 23 | 3 | 0 | 0 | 0 | | |
| 2026 | | 22:50:29 | | Eames Tom & Kenny Megan | Exeter | 23 | | | | | |  |
| 2026 | | 22:50:29 | | Eames Tom & Kenny Megan | Exeter | 23 | | | | | |  |
| 2026 | | 22:50:29 | | Eames Tom & Kenny Megan | Exeter | 23 | | | | | |  |
Kent-Woolsey R | 27.3 | | | 74 | 2 | 0 | 0 | 0 | | |
| 1989 | | 31:17:57 | | Stainsby J & Kent-Woolsey R | Metropolitan Police | 103 | | | | | |  |
| 1990 | | 23:14:21 | | Kent-Woolsey R & Stainsby J | Metropolitan Police | 45 | | | | | |  |
Kent Richard | 21.7 | | | 36 | 2 | 0 | 0 | 0 | | |
| 1982 | | 25:29:08 | | Kent Richard & Parker J M | Cricket & Itchen V. Scouts | 67 | | | | | |  |
| 1992 | | 17:50:00 | | Kent Richard & Butt A P | Woodmill | 4 | | | | | |  |
Kenyon Joseph | 23.1 | | | 13 | 1 | 0 | 0 | 0 | | |
| 1967 | | 23:09:00 | | Kenyon Joseph & Daniels B | 16 Para | 13 | | | | | |  |
Kenyon R | 46.6 | | | 78 | 3 | 0 | 0 | 0 | | |
| 1996 | | 50:21:31 | | Kenyon R & Ovington K | 67 Stores Sqn (V) | 77 | | | | | |  |
| 1997 | | 49:00:52 | | Kenyon R & Simpson J | 63 Stores Sqn (V) | 101 | | | | | |  |
| 1998 | | 40:26:56 | | Simpson J & Kenyon R | 67 Stores Sqn (V) | 56 | | | | | |  |
Kerby G | 23.1 | | | 12 | 1 | 0 | 0 | 0 | | |
| 1973 | | 23:03:40 | | Kerby G & Green D | Pangbourne | 12 | | | | | |  |
Kerr-Shaw Ben | 24.3 | | | 71 | 1 | 0 | 0 | 0 | | |
| 2010 | | 24:20:48 | | Kerr-Shaw Ben & Melley Matthew | AGC & Royal Engineers | 71 | | | | | |  |
Kerr-Shaw Benjamin | 21.5 | | | 17 | 1 | 0 | 0 | 0 | | |
| 2007 | | 21:28:37 | | Kerr-Shaw Benjamin & Lucas Edward | RMA Sandhurst | 17 | | | | | |  |
Kerr Paul | 37.5 | | | 112 | 1 | 0 | 0 | 0 | | |
| 2019 | | 37:28:30 | | Kerr Paul & Power Niall | Wild Water | 112 | | | | | |  |
Kerr William | 25.8 | | | 62 | 1 | 0 | 0 | 0 | | |
| 2013 | | 25:48:12 | | Kerr William & Daniell George | Canal Side Activity Centre | 62 | | | | | Scouts |  |
Kersey James | 27.2 | | | 29 | 1 | 0 | 0 | 0 | | |
| 2003 | | 27:14:27 | | Kersey Peter & Kersey James | Snerdlers | 29 | | | | | |  |
Kersey Peter | 27.2 | | | 29 | 1 | 0 | 0 | 0 | | |
| 2003 | | 27:14:27 | | Kersey Peter & Kersey James | Snerdlers | 29 | | | | | |  |
Kersey Tom | 27.0 | | | 46 | 1 | 0 | 0 | 0 | | |
| 2008 | | 26:59:20 | | Kersey Tom & Martin Tom | Independent | 46 | | | | | |  |
Kershaw-Naylor J P | 21.6 | | | 22 | 2 | 0 | 0 | 0 | | |
| 1980 | | 22:50:05 | | Kershaw-Naylor J P & Pead A N | Royal Military Col. of Science | 34 | | | | | |  |
| 1981 | | 20:25:12 | | Kershaw-Naylor J P & Pead A N | Royal Military Col. of Science | 9 | | | | | |  |
Kershaw Ian | 21.5 | | | 13 | 3 | 0 | 0 | 0 | | |
| 2026 | | 21:32:50 | | Kershaw Ian & Cotton Stephen | Gloucester & Bradford on Avon | 13 | | | | | |  |
| 2026 | | 21:32:50 | | Kershaw Ian & Cotton Stephen | Gloucester & Bradford on Avon | 13 | | | | | |  |
| 2026 | | 21:32:50 | | Kershaw Ian & Cotton Stephen | Gloucester & Bradford on Avon | 13 | | | | | |  |
Kershaw Ruth Esther | 25.2 | | | 76 | 1 | 0 | 0 | 0 | | |
| 1990 | | 25:13:23 | | Kershaw Ruth Esther & Pike S D | Kingston Polytechnic | 76 | | | | | |  |
Kesterman R | 53.5 | | | 96 | 1 | 0 | 0 | 0 | | |
| 1999 | | 53:30:18 | | Blom S & Kesterman R | Independent | 96 | | | | | |  |
Ketels M | 39.7 | | | 45 | 1 | 0 | 0 | 0 | | |
| 1969 | FB | 39:41:47 | | Ketels M & Comblez V | Para-Commando Belgium | 45 | | | | | Tyne |  |
Kew Alex | 26.7 | | | 82 | 2 | 0 | 0 | 0 | | |
| 2010 | | 24:43:34 | | Kew James & Kew Alex | Metropolitan Police | 77 | | | | | |  |
| 2012 | | 28:40:07 | | Kew Alex & Jones Adam | Metropolitan Police | 87 | | | | | |  |
Kew James | 24.7 | | | 77 | 1 | 0 | 0 | 0 | | |
| 2010 | | 24:43:34 | | Kew James & Kew Alex | Metropolitan Police | 77 | | | | | |  |
Kew Joanne | 28.3 | | | 83 | 1 | 0 | 0 | 0 | | |
| 2012 | | 28:17:01 | | Kew Joanne & Tozer Nathan | Metropolitan Police | 83 | | | | | |  |
Key D N | 25.5 | | | 15 | 2 | 0 | 0 | 0 | | |
| 1966 | | 27:18:00 | | Davis I T & Key D N | Kennet Valley | 14 | | | | | Home Built |  |
| 1967 | | 23:45:00 | | Davis D T & Key D N | Kennet Valley | 15 | | | | | |  |