| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Brett Birthisel | Club | Race Number | 8852 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 6208 of 8666 | Category | M40 | Category Position | 1313 of 1790 |
| 10K | 00:57:31 | Stage Position | 7393 |
| Half | 01:59:41 | Stage Position | 6737 |
| 20Mile | 03:13:56 | Stage Position | 7692 |
| Gun Time | 04:25:00 | Overall Position | 7856 |
| Chip Time | 04:23:05 | Chip Position | 7775 |