| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | John O Byrne | Club | Star of the Sea A.C. | Race Number | 7550 | Date | 26/10/2015 |
| Gender | Male | Gender Position | 8021 of 8910 | Category | M45 | Category Position | 1209 of 1330 |
| 10K | 00:59:20 | Stage Position | 8225 |
| Halfway | 02:02:41 | Stage Position | 7710 |
| 30K | 03:15:02 | Stage Position | 9845 |
| Gun Time | 05:07:44 | Overall Position | 11126 |
| Chip Time | 05:06:25 | Chip Position | 11077 |