| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Declan O' Beirne | Club | Race Number | 7972 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 3082 of 8666 | Category | MS | Category Position | 920 of 2562 |
| 10K | 00:51:58 | Stage Position | 4124 |
| Half | 01:50:58 | Stage Position | 4376 |
| 20Mile | 02:50:09 | Stage Position | 3926 |
| Gun Time | 03:46:19 | Overall Position | 3439 |
| Chip Time | 03:46:13 | Chip Position | 3594 |