| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Barry O' Brien | Club | Race Number | 3810 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 7034 of 8666 | Category | M35 | Category Position | 1784 of 2039 |
| 10K | 01:00:38 | Stage Position | 8783 |
| Half | 02:09:27 | Stage Position | 8975 |
| 20Mile | 03:24:59 | Stage Position | 8948 |
| Gun Time | 04:40:23 | Overall Position | 9212 |
| Chip Time | 04:36:58 | Chip Position | 8962 |