| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Barry O' Brien | Club | Race Number | 5116 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 3484 of 8666 | Category | M35 | Category Position | 951 of 2039 |
| 10K | 00:52:48 | Stage Position | 4505 |
| Half | 01:51:32 | Stage Position | 4485 |
| 20Mile | 02:50:11 | Stage Position | 3930 |
| Gun Time | 03:50:00 | Overall Position | 3928 |
| Chip Time | 03:48:04 | Chip Position | 3797 |