| 3rd Aug 2008 | 2008 Pearce Cycles #5 & English Champs | Hopton | Junior | K9 Industries | 8th | 39 | 82% | 2:42.95 |
| 20th Jul 2008 | Pearce Cycles - UK National Champs '08 | Bala | Junior | K9 Industries | 8th | 47 | 85% | 3:07.00 |
| 15th Jun 2008 | 2008 Pearce Cycles #4 | Bala | Junior | K9 Industries | 3rd | 32 | 94% | 2:56.28 |
| 9th Sep 2007 | UCI - World Championships '07 | Fort William | Junior | Great Britain | - | 65 | 0% | |
| 12th Aug 2007 | 2007 NPS #3 | Moelfre | Junior | | 3rd | 40 | 95% | 2:34.43 |
| 8th Jul 2007 | 2007 Nissan World Cup #4 | Schladming | Elite | | - | 208 | 0% | |
| 24th Jun 2007 | Dragon Downhill - Welsh Champs '07 | Rheola | Junior | | 18th | 37 | 53% | 4:03.46 |
| 10th Jun 2007 | 2007 Nissan World Cup #2 | Champéry | Elite | | - | 188 | 0% | |
| 13th May 2007 | 2007 Nissan World Cup #1 | Vigo | Elite | | - | 180 | 0% | |
| 22nd Apr 2007 | 2007 NPS #1 | Innerleithen | Junior | | 8th | 43 | 83% | 3:24.05 |
| 18th Feb 2007 | 2007 Pearce Cycles winter #2 | Bringewood | Junior | | 4th | 36 | 91% | 2:39.00 |
| 21st Jan 2007 | 2007 Pearce Cycles winter #1 | Hopton | Junior | | 4th | 35 | 91% | 3:31.62 |
| 22nd Oct 2006 | NACC Events - English Champs | Bratton | Youth | | 1st | 25 | 100% | 2:05.63 |
| 15th Oct 2006 | Sirrah D - 24Seven urban | Bridgnorth | Youth | | 10th | 41 | 78% | 34.96s |
| 8th Oct 2006 | 2006 Midlands Series #6 | Kinnerton | Youth | | 5th | 74 | 95% | 3:14.42 |
| 30th Sep 2006 | 2006 Dragon Downhill #12 | Mountain Ash | Youth | | 8th | 37 | 81% | 4:31.24 |
| 24th Sep 2006 | 2006 CRC NPS #5 | Fort William | Youth | | 9th | 59 | 86% | 5:03.31 |
| 17th Sep 2006 | Aston Hill - DH3 | Aston Hill | Youth | | 3rd | 42 | 95% | 1:33.96 |
| 27th Aug 2006 | 2006 Midlands Series #5 | Kinnerton | Youth | | 8th | 49 | 85% | 3:28.56 |
| 13th Aug 2006 | 2006 CRC NPS #4 | Caersws | Youth | | 6th | 33 | 84% | 2:23.64 |
| 30th Jul 2006 | 2006 Dragon Downhill #9 | Taff Buggy | Youth | | 2nd | 24 | 96% | 1:47.22 |
| 23rd Jul 2006 | 2006 Midlands Series #4 | Caersws | Youth | | 4th | 48 | 94% | 2:30.16 |
| 16th Jul 2006 | NACC Events - UK National Champs '06 | Moelfre | Youth | | 5th | 31 | 87% | 2:46.33 |
| 18th Jun 2006 | 2006 Midlands Series #3 | Bala | Youth | | 10th | 58 | 84% | 3:09.26 |
| 14th May 2006 | 2006 CRC NPS #2 | Innerleithen | Youth | | - | 40 | 0% | |
| 30th Apr 2006 | 2006 Midlands Series #2 | Pen-Y-Bont-Fawr | Youth | | 9th | 58 | 86% | 2:56.97 |
| 2nd Apr 2006 | 2006 Midlands Series #1 & Midland Champs | Hopton | Youth | | 3rd | 64 | 97% | 3:33.13 |
| 26th Mar 2006 | 2006 CRC NPS #1 | Rugog Farm | Youth | | 3rd | 34 | 94% | 3:26.02 |
| 19th Feb 2006 | 2006 Specialized winter #2 | Bringewood | Youth | | 16th | 44 | 65% | 3:07.61 |
| 22nd Jan 2006 | 2006 Specialized winter #1 | Hopton | Youth | | 20th | 53 | 63% | 3:42.86 |
| 31st Jul 2005 | 2005 NPS #4 | Moelfre | Youth | | 4th | 26 | 88% | 3:04.35 |
| 17th Jul 2005 | Pearce Cycles - UK National Champs '05 | Bringewood | Open | | 5th | 30 | 86% | 2:29.99 |
Marcus WILLIAMS
