| Event | 2012 Dublin - Marathon |
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| Name | Niall Heffernan | Club | Race Number | 476 | Date | 29/10/2012 | |
| Gender | Male | Gender Position | 863 of 8779 | Category | MS | Category Position | 331 of 3002 |
| to 10K | 00:44:16 | Stage Position | 801 |
| 10K to Half | 00:48:00 | Stage Position | 678 |
| Half to 20Mile | 00:48:27 | Stage Position | 598 |
| Gun Time | 03:13:58 | Overall Position | 905 |
| Chip Time | 03:13:17 | Chip Position | 874 |