| Event | 2015 SSE Airtricity Dublin - Marathon |
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| Name | John Colgan | Club | None | Race Number | 14061 | Date | 26/10/2015 |
| Gender | Male | Gender Position | 8774 of 8910 | Category | M55 | Category Position | 339 of 349 |
| 10K | 01:33:30 | Stage Position | 12888 |
| Halfway | 03:17:28 | Stage Position | 12809 |
| 30K | 04:51:18 | Stage Position | 12800 |
| Gun Time | 07:03:06 | Overall Position | 12827 |
| Chip Time | 07:01:14 | Chip Position | 12752 |