| Event | 2021 Abersoch - Triple Crown |
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| Name | Mark Halliwell | Club | Race Number | 11 | Date | 23/10/2021 | |
| Gender | Male | Gender Position | 5 of 19 | Category | M50+ | Category Position | 3 of 8 |
| HR Anchor 10K | 00:47:17 | Stage Position | 5 |
| Sprint Tri | 01:44:51 | Stage Position | 7 |
| HC Half Mar | 01:43:30 | Stage Position | 4 |
| Chip Time | 04:15:38 | Chip Position | 5 |