| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Mark Dempsey | Club | Race Number | 2788 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 3044 of 8666 | Category | M40 | Category Position | 665 of 1790 |
| 10K | 00:51:12 | Stage Position | 3627 |
| Half | 01:47:57 | Stage Position | 3548 |
| 20Mile | 02:45:55 | Stage Position | 3240 |
| Gun Time | 03:45:54 | Overall Position | 3393 |
| Chip Time | 03:43:34 | Chip Position | 3311 |