| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Dermot Twomey | Club | Race Number | 723 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 211 of 8666 | Category | M35 | Category Position | 58 of 2039 |
| 10K | 00:41:54 | Stage Position | 470 |
| Half | 01:29:21 | Stage Position | 479 |
| 20Mile | 02:15:25 | Stage Position | 342 |
| Gun Time | 02:56:24 | Overall Position | 218 |
| Chip Time | 02:56:12 | Chip Position | 215 |