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| Class Type | Date | SailorName | Rank | FleetSize | EventName | |
| Optimist | March,2003 | Nathan Ackroyd | 103 | 271 | National Rankings 2003 incl 15 year-olds | View |
| Optimist | May,2003 | Nathan Ackroyd | 99 | 255 | IOCA National Squad Selection Rankings 2003/4 | View |
| Optimist | May,2003 | Nathan Ackroyd | 120 | 222 | Inlands | View |
| Optimist | August,2003 | Nathan Ackroyd | 101 | 120 | Nationals - Senior Fleet | View |
| Optimist | August,2003 | Nathan Ackroyd | 101 | 120 | Volvo Musto Optimist Open and National Championships - Senior Fleet | View |
| Optimist | October,2003 | Nathan Ackroyd | 95 | 217 | Volvo Musto Optimist End of Season Championships - Main Fleet | View |
| Optimist | May,2004 | Nathan Ackroyd | 57 | 266 | IOCA National Squad Selection Rankings 2004/5 | View |
| Optimist | May,2004 | Nathan Ackroyd | 57 | 221 | Volvo Musto Optimist Inland Championships - Main Fleet | View |
| Optimist | October,2004 | Nathan Ackroyd | 54 | 238 | Volvo Musto Optimist End of Season Championships - Main Fleet | View |
| Optimist | December,2004 | Nathan Ackroyd | 28 | 44 | Bowmoor Winter Open 2004 - Main Fleet | View |
| Optimist | May,2005 | Nathan Ackroyd | 29 | 232 | Volvo Musto Optimist Inland Championships 2005 Main Fleet | View |
| RS Feva | May,2005 | Nathan Ackroyd | 23 | 68 | Nationals | View |
| Topper | July,2005 | Nathan Ackroyd | 28 | 152 | Sunsail Nationwide 3 | View |
| Topper | August,2005 | Nathan Ackroyd | 17 | 126 | Nationals - Silver Fleet | View |
| Topper | December,2005 | Nathan Ackroyd | 108 | 262 | Nationwide Ranking Series | View |