| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Harry O' Brien | Club | Race Number | 9662 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 6107 of 8666 | Category | M40 | Category Position | 1294 of 1790 |
| 10K | 01:00:51 | Stage Position | 8871 |
| Half | 02:05:41 | Stage Position | 8242 |
| 20Mile | 03:15:16 | Stage Position | 7849 |
| Gun Time | 04:22:56 | Overall Position | 7684 |
| Chip Time | 04:21:36 | Chip Position | 7653 |