| Event | 2013 Airtricity Dublin - Marathon | 
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| Name | John O' Sullivan | Club | Race Number | 12177 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 8264 of 8666 | Category | M35 | Category Position | 2002 of 2039 | 
| 10K | 01:13:15 | Stage Position | 11720 | 
| Half | 02:40:39 | Stage Position | 11703 | 
| 20Mile | 04:09:18 | Stage Position | 11471 | 
| Gun Time | 05:35:55 | Overall Position | 11427 | 
| Chip Time | 05:35:30 | Chip Position | 11395 |