| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | Billy Brennan | Club | None | Race Number | 14433 | Date | 26/10/2015 |
| Gender | Male | Gender Position | 7493 of 8910 | Category | M40 | Category Position | 1687 of 1919 |
| 10K | 01:08:01 | Stage Position | 11440 |
| Halfway | 02:23:40 | Stage Position | 11272 |
| 30K | 03:24:38 | Stage Position | 10775 |
| Gun Time | 04:49:17 | Overall Position | 10124 |
| Chip Time | 04:47:53 | Chip Position | 10108 |