| Event | 2012 Dublin - Marathon |
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| Name | Derek Ryan | Club | Gardai | Race Number | 17804 | Date | 29/10/2012 |
| Gender | Male | Gender Position | 3628 of 8779 | Category | MS | Category Position | 1295 of 3002 |
| to 10K | 00:51:48 | Stage Position | 3705 |
| 10K to Half | 00:58:06 | Stage Position | 4096 |
| Half to 20Mile | 01:01:11 | Stage Position | 4666 |
| Gun Time | 03:48:57 | Overall Position | 4099 |
| Chip Time | 03:48:53 | Chip Position | 4151 |