| Event | 2013 Airtricity Dublin - Marathon |
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| Name | Marna Groenewald | Club | Race Number | 15511 | Date | 28/10/2013 | |
| Gender | Female | Gender Position | 1594 of 3684 | Category | F40 | Category Position | 327 of 715 |
| 10K | 01:00:55 | Stage Position | 8907 |
| Half | 02:08:45 | Stage Position | 8788 |
| 20Mile | 03:17:10 | Stage Position | 8110 |
| Gun Time | 04:23:40 | Overall Position | 7730 |
| Chip Time | 04:23:14 | Chip Position | 7788 |