| Event | 2017 SSE Airtricity Dublin - Marathon |
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| Name | Mark Dempsey | Club | Race Number | 1134 | Date | 29/10/2017 | |
| Gender | Male | Gender Position | 647 of 10700 | Category | M40 | Category Position | 170 of 2504 |
| Team | |||||||
| 10K | 00:41:24 | Stage Position | 392 |
| Halfway | 01:28:08 | Stage Position | 459 |
| 30K | 02:07:11 | Stage Position | 645 |
| Gun Time | 03:05:54 | Overall Position | 680 |
| Chip Time | 03:05:51 | Chip Position | 691 |