| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Derek O' Halloran | Club | Race Number | 751 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 469 of 8666 | Category | M40 | Category Position | 91 of 1790 |
| 10K | 00:42:19 | Stage Position | 617 |
| Half | 01:30:07 | Stage Position | 590 |
| 20Mile | 02:17:20 | Stage Position | 507 |
| Gun Time | 03:04:49 | Overall Position | 485 |
| Chip Time | 03:04:32 | Chip Position | 485 |