- Sun 14 Jul
- £110
- Sun 14 Jul
- £110
Marlow, Buckinghamshire, UK
The One on the River | Marlow | Middle Distance Triathlon
Taking place across the scenic Thames Valley area. Swim the river, cycle the hilly open roads, and run the flat Thames path as part of an exciting multi-activity event for summer.
- Chip timing
- Enter online
- Age 17 & over
- 1900 m river swimming
- 91 km road cycling
- 20 km trail running
- Sun 14 Jul
- £180-£195
- Entries closed
- Sun 14 Jul
- £180-£195
- Entries closed
Ripon, North Yorkshire, UK
Ripon Triathlon Festival | Middle Distance Triathlon
This Half Ironman event is a great test of endurance and ideal for athletes looking to step up from the Olympic distance, testing athletes' endurance, speed, transition skills, and much training.
- Enter online
- Age 18 & over
- 1.9 km lake swimming
- 90 km road cycling
- 21.1 km road running
- Sun 28 Jul
- £196-£295
- Sun 28 Jul
- £196-£295
Grantham, Leicestershire, UK
Belvoir Castle | Gauntlet Triathlon
Race through the beautiful grounds of stunning Belvoir Castle out into surrounding Leicestershire in a 'half ironman' distance triathlon then celebrate with friends and family in the festival village.
- Chip timing
- Enter online
- Undulating
- Age 18 & over
- 1.9 km lake swimming
- 90 km road cycling
- 21 km road running
- Sat 6 Jul
Port Talbot, West Glamorgan, UK
GV70.Tri Aberavon Middle Distance Triathlon
- 1.2 miles sea swimming
- 56 miles road cycling
- 13.1 miles road running
- Sat 6 Jul
Tredegar, Gwent, UK
Titan Brecon Middle Distance Triathlon | Triathlon
- 1.2 miles lake swimming
- 60 miles road cycling
- 13.1 miles road running
- Sun 7 Jul
Wells-next-the-Sea, Norfolk, UK
Outlaw Half Holkham Weekend | Outlaw Half Holkham
- 1.2 miles lake swimming
- 56 miles road cycling
- 13.1 miles road running
- Sun 14 Jul
Cirencester, Gloucestershire, UK
Cotswold Classic V2.0 | Middle Distance Triathlon
- 1.2 miles lake swimming
- 56 miles road cycling
- 13.1 miles road running
- Sat 20 Jul
Windsor, Buckinghamshire, UK
Castle to Coast Triathlon
- 1.2 miles lake swimming
- 66 miles road cycling
- 14 miles trail running
- Sat 20 Jul
Richmond, North Yorkshire, UK
Cleveland Steelman | Middle Distance Triathlon
- 2 km lake swimming
- 58 miles road cycling
- 13.1 miles trail running
- Sun 21 Jul
Warwick, Warwickshire, UK
On The Edge Middle Distance Triathlon
- 1900 m lake swimming
- 90 km road cycling
- 21.1 km multi terrain running
- Sun 21 Jul
Felixstowe, Suffolk, UK
Felixstowe Triathlon | Suffolk 70.3 Middle Distance Triathlon
- 1900 m sea swimming
- 90 km road cycling
- 21.1 km road running