| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | Tom O Brien | Club | Ballintotis Fit4Life | Race Number | 11430 | Date | 26/10/2015 |
| Gender | Male | Gender Position | 4152 of 8910 | Category | M50 | Category Position | 307 of 742 |
| 10K | 00:51:41 | Stage Position | 3641 |
| Halfway | 01:49:37 | Stage Position | 3857 |
| 30K | 02:37:13 | Stage Position | 3651 |
| Gun Time | 03:58:14 | Overall Position | 4885 |
| Chip Time | 03:57:25 | Chip Position | 4979 |