| Event | 2017 SSE Airtricity Dublin - Marathon |
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| Name | John Hennessy | Club | Race Number | 4870 | Date | 29/10/2017 | |
| Gender | Male | Gender Position | 2277 of 10700 | Category | M40 | Category Position | 607 of 2504 |
| Team | |||||||
| 10K | 00:46:49 | Stage Position | 1869 |
| Halfway | 01:37:24 | Stage Position | 1739 |
| 30K | 02:19:55 | Stage Position | 1647 |
| Gun Time | 03:31:01 | Overall Position | 2499 |
| Chip Time | 03:30:20 | Chip Position | 2521 |