| Event | 2017 SSE Airtricity Dublin - Marathon |
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| Name | David O' Brien | Club | Race Number | 2846 | Date | 29/10/2017 | |
| Gender | Male | Gender Position | 2222 of 10700 | Category | M35 | Category Position | 597 of 2228 |
| Team | |||||||
| 10K | 00:50:04 | Stage Position | 3619 |
| Halfway | 01:45:08 | Stage Position | 3490 |
| 30K | 02:28:51 | Stage Position | 2981 |
| Gun Time | 03:30:46 | Overall Position | 2438 |
| Chip Time | 03:29:02 | Chip Position | 2335 |