| Event | 2012 Dublin - Marathon |
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| Name | Brian Johnston | Club | Race Number | 4192 | Date | 29/10/2012 | |
| Gender | Male | Gender Position | 2109 of 8779 | Category | M45 | Category Position | 266 of 1019 |
| to 10K | 00:50:24 | Stage Position | 3172 |
| 10K to Half | 00:53:31 | Stage Position | 2046 |
| Half to 20Mile | 00:54:32 | Stage Position | 2005 |
| Gun Time | 03:30:34 | Overall Position | 2260 |
| Chip Time | 03:28:32 | Chip Position | 2045 |