Half Ironman (middle distance) in UK in July 2025
Find half ironman (middle distance) near me in UK in July 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.
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Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sat 19 Jul
- £265-£295
- Sat 19 Jul
- £265-£295
Castle To Coast Triathlon
Swim, bike, run your way from Windsor Castle to Brighton on this unique, non-competitive, point-to-point adventure through the North & South Downs. Fully way-marked (no navigation) and full support.
- Newcomers
- Chip timing
- Enter online
- Event village
- Rural
- Age 18 & over
- 1.2 miles lake swimming
- 67 miles road cycling + 3550 ft ascent
- 14 miles trail running + 1512 ft ascent
- Sun 20 Jul
- Entries close tomorrow
- Sun 20 Jul
- Entries close tomorrow
TriBourne Festival of Endurance | Middle Distance Triathlon
Award winning full and middle-distance triathlons, plus a marathon, long-distance swims, aquabike options and triathlon relays.
- Enter online
- Age 18 & over
- 1.2 miles sea swimming
- 56 miles road cycling
- 13.1 miles trail running
- Sun 20 Jul
- £245-£295
- Sun 20 Jul
- £245-£295
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 6 Jul
Outlaw Half Holkham Weekend | Outlaw Half Holkham
- 1.2 miles lake swimming
- 56 miles road cycling
- 13.1 miles road running
- Sun 20 Jul
On The Edge Middle Distance Triathlon
- 1.2 miles pool swimming
- 56 miles road cycling
- 13.1 miles road running