Event listings
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- Sat 18 Jul 2026
- £260-£290
- Early bird
Castle To Coast Triathlon
A one-of-a-kind triathlon adventure from castle to coast – swim, bike, run and soak up the best of the North and South Downs, fully supported all the way, no navigation needed!
Early bird on now
- Newcomers
- Chip timing
- Enter online
- Event village
- Rural
- Age 18 & over
- 1.2 miles lake swimming
- 66 miles road cycling + 3300 ft ascent
- 14 miles trail running + 1300 ft ascent