| Event | 2012 Dublin - Marathon |
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| Name | Graham Byrne | Club | Down Syndrome Ireland | Race Number | 13405 | Date | 29/10/2012 |
| Gender | Male | Gender Position | 3178 of 8779 | Category | MS | Category Position | 1134 of 3002 |
| to 10K | 00:49:50 | Stage Position | 2894 |
| 10K to Half | 00:56:17 | Stage Position | 3423 |
| Half to 20Mile | 00:59:38 | Stage Position | 4021 |
| Gun Time | 03:44:21 | Overall Position | 3531 |
| Chip Time | 03:43:40 | Chip Position | 3522 |