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Half Ironman (middle distance) in UK in July 2026
Find half ironman (middle distance) in UK in July 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sat 18 Jul 2026
- £260-£290
- Early bird
Windsor, Buckinghamshire, UK
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
- Sun 19 Jul 2026
- £196-£245
Grantham, Leicestershire, UK
Belvoir Castle | Gauntlet Triathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in the epic Gauntlet Triathlon! Celebrate in the festival village afterwards.
- Chip timing
- Enter online
- Age 18 & over
- 1.9 km lake swimming
- 90 km road cycling + 957 ft ascent
- 21 km road running
- Sun 19 Jul 2026
Warwick, Warwickshire, UK
On The Edge Middle Distance Triathlon
- 1.9 miles lake swimming
- 56 miles road cycling
- 13.1 miles trail running