| Event | 2015 Chester - Half Marathon |
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| Name | Derek Ralphs | Club | Race Number | 6161 | Date | 17/05/2015 | |
| Gender | Male | Gender Position | 2925 of 3427 | Category | MV50 | Category Position | 245 of 291 |
| 10K | 01:00:44 | Stage Position | 4442 |
| Halfway | 01:06:00 | Stage Position | 4421 |
| 10Mile | 01:40:14 | Stage Position | 4348 |
| 20K | 02:05:07 | Stage Position | 4179 |
| Gun Time | 02:16:59 | Overall Position | 4246 |
| Chip Time | 02:10:33 | Chip Position | 4160 |