 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
Kirtley J B | 23.1 | | | 35 | 1 | 0 | 0 | 0 | | |
| 1979 | | 23:06:08 | | Kirtley J B & Rixson | Royal Marines | 35 | | | | | |  |
Kirton Jack | 22.6 | | | 25 | 1 | 0 | 0 | 0 | | |
| 2016 | | 22:34:02 | | Hill Joe & Kirton Jack | Army Canoe Union | 25 | | | | | |  |
Kirvan M | 29.3 | | | 67 | 1 | 0 | 0 | 0 | | |
| 1997 | | 29:17:08 | | Kirvan M & Morris D R | Royal | 67 | | | | | |  |
Kitchener K | 27.3 | | | 28 | 1 | 0 | 0 | 0 | | |
| 1967 | | 27:17:30 | | Kitchener K & McKeague D | 11 Eng Bde (Hameln) | 28 | | | | | |  |
Kite Sandra Jane | 37.8 | | | 122 | 1 | 0 | 0 | 0 | | |
| 1992 | | 37:51:15 | | Kite Sandra Jane & Halliley S P | Pangbourne Advent. Dolphin | 122 | | | | | |  |
Knight A | 23.4 | | | 38 | 5 | 0 | 0 | 0 | | |
| 1986 | | 24:24:23 | | Knight A & Blakey C | Pangbourne Advent. Dolphin | 70 | | | | | |  |
| 1995 | | 25:25:10 | | Knight A & Bruckshaw C A | Windsor | 55 | | | | | |  |
| 1997 | | 23:27:20 | | Ford D N & Knight A | Windsor | 32 | | | | | |  |
| 1999 | | 21:27:47 | | Ford D N & Knight A | Windsor | 15 | | | | | |  |
| 2002 | | 22:14:50 | | Jolliffe Gary & Knight A | Windsor | 19 | | | | | |  |
Knight C B | 22.2 | | | 26 | 2 | 0 | 0 | 0 | | |
| 1979 | | 21:20:25 | | Knight C B & Browning C | 29 Commando RA | 21 | | | | | |  |
| 1981 | | 23:05:52 | | Knight C B & Ryan Mark | 29 Commando RA | 30 | | | | | |  |
Knight David | 25.7 | | | 32 | 2 | 0 | 0 | 0 | | |
| 2003 | C2 | 26:33:45 | | O'Cearbhaill Derek & Knight David | Dingle | 25 | | | | | |  |
| 2006 | C2 | 24:56:55 | | Cearbhaill Derek & Knight David | Independent | 39 | | | | | Canadian |  |
Knight G A | 21.3 | | | 28 | 3 | 0 | 0 | 0 | | |
| 1984 | | 22:21:40 | | Hilliard F & Knight G A | 8th Regiment RCT | 33 | | | | | |  |
| 1985 | | 20:33:34 | | Knight G A & Hilliard F | 8th Regiment RCT | 18 | | | | | |  |
| 1987 | | 20:59:10 | | Hilliard F & Knight G A | 8th Regiment RCT | 32 | | | | | |  |
Knight J R | 29.4 | | | 96 | 1 | 0 | 0 | 0 | | |
| 1989 | | 29:24:58 | | Knight J R & Raw T | Independent | 96 | | | | | |  |
Knight J W | 26.0 | | | 81 | 1 | 0 | 0 | 0 | | |
| 1985 | | 26:00:38 | | Hulkes A G & Knight J W | Stubbers | 81 | | | | | |  |
Knight Kyle | 26.0 | | | 75 | 1 | 0 | 0 | 0 | | |
| 2017 | | 25:58:22 | | Knight Kyle & Lourens Jack | RMKA | 75 | | | | | |  |
Knight L | 20.4 | | | 21 | 2 | 0 | 0 | 0 | | |
| 1982 | | 19:23:23 | | Knight L & Spence P | 32 G.W.Reg/RA | 11 | | | | | |  |
| 1986 | | 21:21:20 | | Knight L & Murphy C | Royal Engineers | 31 | | | | | |  |
Knight M R | 23.9 | | | 60 | 1 | 0 | 0 | 0 | | |
| 1985 | | 23:52:57 | | Knight M R & Haynes S J | Metropolitan Police | 60 | | | | | |  |
Knight R A | 36.5 | | | 40 | 1 | 0 | 0 | 0 | | |
| 1970 | | 36:30:07 | | Weeden M G & Knight R A | Culham College | 40 | | | | | |  |
Knights J | 32.8 | | | 31 | 1 | 0 | 0 | 0 | | |
| 1973 | | 32:51:45 | | Peacock L & Knights J | Oval Folk & Welsh Harp Sailing Base | 31 | | | | | |  |
Knights N D | 21.0 | | | 25 | 1 | 0 | 0 | 0 | | |
| 1995 | | 20:57:10 | | Woodward & Knights N D | Royal Engineers | 25 | | | | | |  |
Knowles D G | 20.8 | | | 24 | 4 | 0 | 0 | 0 | | |
| 1987 | | 20:26:38 | | Knowles D G & Hole D W G | Windsor | 25 | | | | | |  |
| 1988 | | 20:01:20 | | Knowles D G & Bryan T J | Windsor | 18 | | | | | |  |
| 1992 | | 21:54:05 | | McLaren Lyn & Knowles D G | Newbury & Windsor | 39 | | | | | |  |
| 1997 | | 20:50:35 | | Carter Steve & Knowles D G | Independent | 12 | | | | | Lee |  |
Knowles M | 35.4 | | | 97 | 1 | 0 | 0 | 0 | | |
| 1991 | | 35:24:47 | | Wright A & Knowles M | L&WMNTV | 97 | | | | | |  |
Knowlson P M | 38.6 | | | 5 | 2 | 0 | 0 | 0 | | |
| 1955 | | 39:06:00 | | Knowlson P M & Webber | Independent | 5 | | | | | |  |
| 1956 | | 38:03:00 | | Knowlson P M & Walter F B | Cambridge University | 5 | | | | | |  |
Knox-Johnston Robin | 44.3 | | | 38 | 1 | 0 | 0 | 0 | | |
| 1962 | | 44:19:30 | | Knox-Johnston Robin & Rawlingson-Plant D | RMA Sandhurst | 38 | | | | | |  |
Koberg V | 23.3 | | | 53 | 1 | 0 | 0 | 0 | | |
| 1985 | C2 | 23:15:38 | | Reponiemi M & Koberg V | Muonion Melojat, Finland | 53 | | | | | Canadian |  |
Kolar C | 21.2 | | | 5 | 1 | 0 | 0 | 0 | | |
| 1971 | | 21:12:56 | | Handyside J W & Kolar C | Richmond | 5 | | | | | |  |
Korologa Filimoni | 22.7 | | | 22 | 1 | 0 | 0 | 0 | | |
| 2005 | | 22:44:04 | | Korologa Filimoni & Lummes Ryan | Royal Engineers | 22 | | | | | |  |
Kosterman R | 57.7 | | | 144 | 1 | 0 | 0 | 0 | | |
| 1984 | | 57:43:00 | | Breij M G & Kosterman R | Holland | 144 | | | | | |  |
Kovacs Andras | 19.5 | | | 15 | 1 | 0 | 0 | 0 | | |
| 2023 | | 19:31:23 | | Kovacs Andras & Katona Daniel | Wey Kc & International | 15 | | | | | |  |
Kraaijenga Jaap | 19.8 | | | 13 | 2 | 0 | 0 | 0 | | |
| 1982 | | 19:22:21 | | Kraaijenga Jaap & Huizing Eise | Alskv Levitas | 10 | | | | | |  |
| 1985 | | 20:13:34 | | Kraaijenga Jaap & Huizing Eise | Alskv Levitas | 15 | | | | | |  |
Krappe T | 20.6 | | | 26 | 1 | 0 | 0 | 0 | | |
| 1987 | | 20:33:46 | | Krappe T & Vallin E | Rauman Seuden Melojat, Finland | 26 | | | | | |  |
Kreft Brynde | 17.4 | | | 2 | 1 | 0 | 1 | 0 | | |
| 2025 | | 17:21:27 | | Petersen Joe & Kreft Brynde | Banbury & District & Falcon | 2 | | | 1 | | |  |
Kriel Antoinette | 20.6 | | | 17 | 1 | 0 | 0 | 0 | | |
| 2010 | | 20:39:12 | | Bragg Mark & Kriel Antoinette | Integrate Paddling & Greenwich | 17 | | | | | |  |
Krige Christoff | 24.7 | | | 52 | 1 | 0 | 0 | 0 | | |
| 2016 | | 24:42:40 | | Derksen Ewoud & Krige Christoff | Dabulamanzi (South Africa) | 52 | | | | | |  |
Kristensen Martin | 22.0 | | | 27 | 2 | 0 | 0 | 0 | | |
| 2007 | | 22:30:56 | | Andersen Steen & Kristensen Martin | Strommen | 27 | | | | | European |  |
| 2009 | | 21:27:53 | | Kristensen Martin & Svane Pernille | Strommen Denmark | 27 | | | | | |  |
Kruszelnicki Peter | 22.8 | | | 30 | 1 | 0 | 0 | 0 | | |
| 2017 | C2 | 22:49:47 | | Corr Gary & Kruszelnicki Peter | Paddle Sport | 30 | | | | | |  |
Kucerova Jana | 32.8 | | | 96 | 1 | 0 | 0 | 0 | | |
| 2012 | | 32:50:52 | | Henshaw Paul & Kucerova Jana | Independent | 96 | | | | | |  |
Kyte Adam | 20.1 | | | 7 | 1 | 0 | 0 | 0 | | |
| 2006 | | 20:07:12 | | Kelly Christopher & Kyte Adam | Leaside | 7 | | | | | |  |
Kyte G | 48.1 | | | 59 | 1 | 0 | 0 | 0 | | |
| 1978 | C2 | 48:04:00 | | Mees G M & Kyte G | Woolwich | 59 | | | | | |  |
Kyte Patricia Anne | 37.5 | | | 139 | 1 | 0 | 0 | 0 | | |
| 1990 | | 37:28:59 | | Thorne R M & Kyte Patricia Anne | North Avon & Independent | 139 | | | | | |  |
Laban Howard | 27.8 | | | 85 | 1 | 0 | 0 | 0 | | |
| 2013 | C2 | 27:45:25 | | Bateman Warren & Laban Howard | Independent | 85 | | | | | |  |
Labbe C J | 22.8 | | | 57 | 2 | 0 | 0 | 0 | | |
| 1987 | | 23:39:47 | | Mooney S D & Labbe C J | Taunton | 72 | | | | | |  |
| 1988 | | 21:57:45 | | Mooney S D & Labbe C J | Taunton | 42 | | | | | |  |
Lace Toby | 28.7 | | | 90 | 1 | 0 | 0 | 0 | | |
| 2013 | | 28:40:14 | | Higgins James & Lace Toby | Independent | 90 | | | | | |  |
Laenen Jan | 18.0 | | | 4 | 1 | 0 | 0 | 0 | | |
| 2013 | | 17:59:29 | | Laenen Jan & Verduyckt Erik | Independent | 4 | | | | | Overseas |  |
Lake P R | 24.9 | | | 54 | 1 | 0 | 0 | 0 | | |
| 1994 | | 24:56:44 | | Lake P R & Morton D H S | Richmond | 54 | | | | | |  |