 | | | | Av Time | | | Place | Races | 1st | 2nd | 3rd | Trophies | |
Singleton P | 33.5 | | | 23 | 1 | 0 | 0 | 0 | | |
| 1963 | | 33:30:57 | | Riley M & Singleton P | St Marys College | 23 | | | | | |  |
Sinnett-Jones Polly | 22.7 | | | 36 | 2 | 0 | 0 | 0 | | |
| 2010 | | 22:46:49 | | Ball Mark & Sinnett-Jones Polly | Devizes | 46 | | | | | |  |
| 2013 | | 22:39:57 | | Ball Mark & Sinnett-Jones Polly | Devizes | 26 | | | | | |  |
Sinon R | 25.5 | | | 9 | 1 | 0 | 0 | 0 | | |
| 1965 | | 25:28:06 | | Leach D & Sinon R | 1st Royal Welch F | 9 | | | | | |  |
Skates S J | 26.9 | | | 39 | 1 | 0 | 0 | 0 | | |
| 1983 | | 26:54:01 | | Skates S J & Lomax N J | Wokingham Scouts | 39 | | | | | |  |
Skeath Colin | 27.9 | | | 80 | 1 | 0 | 0 | 0 | | |
| 2012 | | 27:55:59 | | Skeath Colin & Skeath Katrina | Pennine | 80 | | | | | |  |
Skeath Katrina | 27.9 | | | 80 | 1 | 0 | 0 | 0 | | |
| 2012 | | 27:55:59 | | Skeath Colin & Skeath Katrina | Pennine | 80 | | | | | |  |
Skeels Kevin | 25.2 | | | 61 | 3 | 0 | 0 | 0 | | |
| 2013 | | 25:29:12 | | Cheetham Alan & Skeels Kevin | Army Canoe Union | 59 | | | | | |  |
| 2014 | | 25:33:30 | | Cheetham Alan & Skeels Kevin | Army Canoe Union | 73 | | | | | |  |
| 2016 | | 24:37:37 | | Threadgill Paul & Skeels Kevin | Army Canoe Union | 50 | | | | | |  |
Skelhorn D A | 24.6 | | | 66 | 1 | 0 | 0 | 0 | | |
| 1990 | | 24:38:59 | | Skelhorn D A & Allen P D | 1st St. Austell Scouts | 66 | | | | | |  |
Skidmore K F | 29.4 | | | 100 | 3 | 0 | 0 | 0 | | |
| 1984 | | 37:27:12 | | Crooks D A & Skidmore K F | Independent | 126 | | | | | |  |
| 1986 | | 25:53:28 | | Skidmore K F & Davies P L | Independent | 82 | | | | | |  |
| 1987 | C2 | 25:00:43 | | Skidmore K F & Davies P L | Bowline Climbing Club | 93 | | | | | |  |
Skilton Mark | 31.2 | | | 92 | 1 | 0 | 0 | 0 | | |
| 2012 | FB | 31:10:16 | | Bridger Andrew & Skilton Mark | Independent | 92 | | | | | Tyne |  |
Skilton S J | 22.8 | | | 31 | 1 | 0 | 0 | 0 | | |
| 1979 | | 22:45:18 | | Skilton S J & Bazire G A | Independent | 31 | | | | | |  |
Skinner A C | 49.0 | | | 146 | 1 | 0 | 0 | 0 | | |
| 1988 | C2 | 49:01:30 | | Smith P R S & Skinner A C | Rudmans Joinery | 146 | | | | | |  |
Skinner B | 42.0 | | | 36 | 1 | 0 | 0 | 0 | | |
| 1962 | | 41:58:00 | | Williams T & Skinner B | 29 Commando RA | 36 | | | | | |  |
Skinner G | 44.9 | | | 105 | 3 | 0 | 0 | 0 | | |
| 1982 | | 52:56:17 | | Beale A R & Skinner G | Endeavour | 110 | | | | | Veteran |  |
| 1984 | | 52:08:50 | | Powell R J & Skinner G | Leaside & Strand | 141 | | | | | Veteran |  |
| 1999 | | 29:35:56 | | Smith B1 & Skinner G | Canalside Activity Centre | 64 | | | | | |  |
Skinner Sheila | 28.9 | | | 65 | 4 | 0 | 0 | 0 | | |
| 1981 | | 33:55:14 | | Lambert Sharon & Skinner Sheila | Independent | 63 | | | | | |  |
| 1982 | | 28:48:13 | | Skinner Sheila & Herbert Janet | Independent | 89 | | | | | Ladies |  |
| 1984 | | 24:18:53 | | Skinner Sheila & Wallace K | Independent | 57 | | | | | |  |
| 1996 | | 28:27:43 | | Skinner Sheila & Farrall R | Independent & Port of Plymouth C A | 51 | | | | | |  |
Skipworth P H | 25.8 | | | 62 | 3 | 0 | 0 | 0 | | |
| 1993 | FB | 25:39:50 | | Roberts R & Skipworth P H | Artists Rifles | 81 | | | | | Tyne |  |
| 1994 | FB | 26:28:44 | | Haley K J & Skipworth P H | Artists Rifles | 70 | | | | | |  |
| 1996 | FB | 25:08:25 | | Skipworth P H & Briggs J M | Artists Rifles | 34 | | | | | Reserve,Tyne |  |
Skuse Matthew | 31.9 | | | 71 | 1 | 0 | 0 | 0 | | |
| 2006 | | 31:55:16 | | Hook David & Skuse Matthew | RNKA | 71 | | | | | |  |
Slade C J | 38.4 | | | 26 | 1 | 0 | 0 | 0 | | |
| 1965 | | 38:22:29 | | Slade C J & Greenwood J P | RMA Sandhurst | 26 | | | | | |  |
Slader K V | 37.7 | | | 14 | 1 | 0 | 0 | 0 | | |
| 1959 | | 37:42:40 | | Slader K V & Ethelstan M E | Royal Marines | 14 | | | | | |  |
Slader Thomas | 27.5 | | | 101 | 1 | 0 | 0 | 0 | | |
| 2014 | | 27:28:52 | | Chappel Jeremy & Slader Thomas | Independent | 101 | | | | | |  |
Slaten Curt | 21.2 | | | 21 | 1 | 0 | 0 | 0 | | |
| 2023 | C2 | 21:13:51 | | Geisinger Joseph & Slaten Curt | International | 21 | | | | | |  |
Slater Andrew | 22.6 | | | 34 | 1 | 0 | 0 | 0 | | |
| 2015 | | 22:39:07 | | Newman Ben & Slater Andrew | Royal Marines | 34 | | | | | |  |
Slater J | 24.4 | | | 47 | 2 | 0 | 0 | 0 | | |
| 1983 | | 24:38:19 | | Slater J & Spiller A G | Longridge | 27 | | | | | |  |
| 1985 | | 24:05:44 | | Slater J & Pease C | Richmond | 66 | | | | | |  |
Slater K | 22.5 | | | 40 | 3 | 0 | 0 | 0 | | |
| 1991 | C2 | 26:07:37 | | Slater K & Jones P B | Poole Harbour | 59 | | | | | |  |
| 1992 | C2 | 22:07:25 | | Slater K & Jones P B | Poole Harbour | 42 | | | | | Canadian |  |
| 1993 | C2 | 19:22:55 | | Slater K & Jones P B | Poole Harbour | 19 | | | | | Canadian |  |
Slater M | 21.6 | | | 27 | 1 | 0 | 0 | 0 | | |
| 1984 | | 21:35:50 | | Pratt B & Slater M | Anker Valley | 27 | | | | | |  |
Slater W | 27.8 | | | 42 | 1 | 0 | 0 | 0 | | |
| 1983 | | 27:45:28 | | Catlin N & Slater W | Highfields School | 42 | | | | | |  |
Sleney Paul | 22.5 | | | 41 | 1 | 0 | 0 | 0 | | |
| 2009 | | 22:32:49 | | Sleney Paul & Tolhurst Ben | Pennine | 41 | | | | | |  |
Sloan Daniel | 27.3 | | | 94 | 1 | 0 | 0 | 0 | | |
| 2015 | | 27:19:53 | | Penfold Matthew & Sloan Daniel | Devizes | 94 | | | | | |  |
Slowey C | 32.3 | | | 100 | 1 | 0 | 0 | 0 | | |
| 1993 | | 32:19:10 | | Stephenson J & Slowey C | St. Mark & St. John College | 100 | | | | | |  |
Smail John | 27.8 | | | 105 | 1 | 0 | 0 | 0 | | |
| 2014 | C2 | 27:50:02 | | Crankshaw Mike & Smail John | Stour Valley & RMCTC | 105 | | | | | |  |
Smalley D | 41.3 | | | 71 | 2 | 0 | 0 | 0 | | |
| 1971 | | 31:02:17 | | Blyth A & Smalley D | Outward Bound School Holne Park | 37 | | | | | |  |
| 1997 | | 51:34:36 | | Smalley D & Collyer J R | Royal Signals | 105 | | | | | |  |
Smallman Luke | 24.6 | | | 33 | 1 | 0 | 0 | 0 | | |
| 2006 | | 24:34:01 | | Grouteau Julien & Smallman Luke | Tower Hamlets | 33 | | | | | |  |
Smart G W | 23.9 | | | 17 | 1 | 0 | 0 | 0 | | |
| 1967 | | 23:56:00 | | Smart G W & O'Sullivan B B | 9th Ind Para Sqn RE | 17 | | | | | |  |
Smart H | 33.2 | | | 57 | 2 | 0 | 0 | 0 | | |
| 1978 | | 36:13:30 | | Bailey T & Smart H | Melksham Adventure Unit | 55 | | | | | |  |
| 1979 | | 30:15:57 | | Bailey T & Smart H | Melksham Adventure Unit & Syms Transport | 59 | | | | | |  |
Smart J | 39.7 | | | 16 | 2 | 0 | 0 | 0 | | |
| 1958 | | 58:46:00 | | Nuttall J W & Smart J | Melksham Rover Scouts | 12 | | | | | |  |
| 1985 | | 20:34:57 | | Hayward M & Smart J | Independent | 19 | | | | | |  |
Smart J A | 25.2 | | | 77 | 1 | 0 | 0 | 0 | | |
| 1993 | C2 | 25:11:50 | | Hobbs P G & Smart J A | Cam | 77 | | | | | |  |
Smart Robert | 36.1 | | | 68 | 1 | 0 | 0 | 0 | | |
| 2005 | | 36:04:16 | | Willis Stephen & Smart Robert | Richmond | 68 | | | | | |  |
Smart Simon | 27.8 | | | 59 | 1 | 0 | 0 | 0 | | |
| 2004 | | 27:46:29 | | Storer Timothy & Smart Simon | Independent | 59 | | | | | |  |
Smeaton Ruaraidh | 24.9 | | | 44 | 1 | 0 | 0 | 0 | | |
| 2011 | | 24:52:37 | | Smeaton Ruaraidh & Wood James | Richmond | 44 | | | | | |  |
Smedley A | 26.1 | | | 22 | 1 | 0 | 0 | 0 | | |
| 1971 | | 26:05:30 | | Moon D & Smedley A | Crawley Boys Club | 22 | | | | | |  |
Smedley Charles | 22.7 | | | 24 | 1 | 0 | 0 | 0 | | |
| 2004 | | 22:42:22 | | Ronald Carl & Smedley Charles | RMA Sandhurst | 24 | | | | | |  |