| Event | 2015 MBNA Chester - Marathon |
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| Name | Sarah Duffy | Club | Race Number | 1125 | Date | 04/10/2015 | |
| Gender | Female | Gender Position | 81 of 672 | Category | FSEN | Category Position | 28 of 235 |
| 10K | 00:52:54 | Stage Position | 1059 |
| 20K | 01:45:45 | Stage Position | 1047 |
| Halfway | 01:51:49 | Stage Position | 1033 |
| 30K | 02:38:29 | Stage Position | 897 |
| Gun Time | 03:42:45 | Overall Position | 664 |
| Chip Time | 03:41:37 | Chip Position | 665 |