| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Terry Birkby | Club | Race Number | 651 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 1071 of 8666 | Category | MS | Category Position | 349 of 2562 |
| 10K | 00:44:25 | Stage Position | 857 |
| Half | 01:33:09 | Stage Position | 799 |
| 20Mile | 02:25:30 | Stage Position | 927 |
| Gun Time | 03:19:41 | Overall Position | 1126 |
| Chip Time | 03:17:31 | Chip Position | 1034 |