| Event | 2012 Dublin - Marathon |
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| Name | Karl Byrne | Club | Race Number | 4953 | Date | 29/10/2012 | |
| Gender | Male | Gender Position | 1183 of 8779 | Category | M35 | Category Position | 314 of 2079 |
| to 10K | 00:43:06 | Stage Position | 678 |
| 10K to Half | 00:47:48 | Stage Position | 643 |
| Half to 20Mile | 00:52:17 | Stage Position | 1370 |
| Gun Time | 03:19:14 | Overall Position | 1249 |
| Chip Time | 03:18:45 | Chip Position | 1233 |