| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Derek Somerville | Club | Race Number | 3797 | Date | 28/10/2013 | |
| Gender | Male | Gender Position | 412 of 8666 | Category | M45 | Category Position | 37 of 1107 |
| 10K | 00:42:16 | Stage Position | 594 |
| Half | 01:30:06 | Stage Position | 587 |
| 20Mile | 02:17:05 | Stage Position | 481 |
| Gun Time | 03:01:45 | Overall Position | 424 |
| Chip Time | 03:01:28 | Chip Position | 420 |