- Sun 28 Jul
- £63.99-£80
- Sun 28 Jul
- £63.99-£80
Grantham, Leicestershire, UK
Belvoir Castle | Standard Duathlon
Race through the beautiful grounds of Belvoir Castle and into stunning Leicestershire in a standard duathlon for all levels then celebrate with friends and family in the festival village.
- Chip timing
- Enter online
- Undulating
- Age 17 & over
- 10.5 km road running
- 45 km road cycling
- 6.5 km road running
- Sun 4 Aug
- £65
- Sun 4 Aug
- £65
Northwood, Hertfordshire, UK
ATW Hertfordshire & Middlesex Standard Duathlon
A stunning venue and magnificent grounds with manicured sports fields, lakes, wildlife and greenery, ideally set up for athletes of all levels, plus a custom designed medal at the finish.
- Enter online
- Age 17 & over
- 10 km road running
- 40 km road cycling
- 5 km road running
- Sun 29 Sep
- £64-£80
- Sun 29 Sep
- £64-£80
Edenbridge, Kent, UK
Hever Castle Triathlon and Multisport Festival | Standard Duathlon
Race through the beautiful grounds of Hever Castle and into the stunning High Weald AONB in a standard duathlon for all levels then celebrate with friends and family in the festival village.
- Chip timing
- Enter online
- Age 17 & over
- 10.5 km road running
- 40 km road cycling
- 4.2 km road running
- Sat 5 Oct
- £55-£78
- Sat 5 Oct
- £55-£78
Hexham, Northumberland, UK
Active Northumberland Gravel Duathlon
This course circumnavigates Kielder Water, the largest man-made lake in northern Europe! Take on hard-packed trails through pine forests on this almost entirely off-road route.
- Enter online
- Undulating
- Traffic free
- Age 17 & over
- 10 km trail running
- 34 km mountain biking
- 6.4 km trail running
- Sun 3 Nov
- £55.12
- Sun 3 Nov
- £55.12
Lifton, Devon, UK
Devon Duathlon Autumn | Standard
The standard distance begins with 10K on tarmac and gravel paths, a 43km bike leg on rolling roads and finishes with a final one lap 5K.
- Chip timing
- Enter online
- Undulating
- Age 17 & over
- 10.4 km road running
- 42 km road cycling
- 5.8 km road running
- Sun 4 Aug
Betws-y-Coed, Clwyd, UK
Craft Snowman Triathlon and Duathlon | Standard Duathlon
- 4.7 km road running
- 69.2 km road cycling
- 8.4 km road running
- Sat 7 Sep
Swindon, Wiltshire, UK
Cotswolds Lake 62 End of Season Events | Duathlon
- 4.5 km trail running
- 39 km road cycling
- 6 km trail running
- Sun 8 Sep
Richmond, UK
London Duathlon | Full Duathlon
- 10 km road running
- 44 km road cycling
- 5 km road running
- Sun 8 Sep
Richmond, UK
London Duathlon | Ultra Duathlon
- 20 km road running
- 77 km road cycling
- 10 km road running
- Sun 15 Sep
Llanfairpwllgwyngyll, Isle of Anglesey, UK
Superfeet Sandman Triathlon and Duathlon | Standard Duathlon
- 5.4 km road running
- 42.3 km road cycling
- 10 km road running
- Sun 29 Sep
Kelso, Scottish Borders, UK
Floors Castle Duathlon | Standard Distance
- 10 km road running
- 43 km road cycling
- 5 km road running
- Sun 29 Sep
Llandudno, Clwyd, UK
Llandudno Triathlon | Standard Duathlon
- 5 km road running
- 34.75 km road cycling
- 9.4 km road running
- Sat 5 Oct
Hexham, Northumberland, UK
Kielder Marathon Weekend | Gravel Duathlon
- 10 km multi terrain running
- 34 km mountain biking
- 6.4 km multi terrain running
- Sun 6 Oct
Andover, Hampshire, UK
Thruxton Mass Attack Duathlon | Standard Distance
- 11.4 km road running
- 38 km road cycling
- 3.8 km road running
- Sun 13 Oct
Fareham, Hampshire, UK
Deviation Duathlon | Standard Distance
- 5 km trail running
- 18 km road cycling
- 5 km trail running
- Sun 13 Oct
Pershore, Worcestershire, UK
Bishampton Duathlon | Standard Distance
- 6 km road running
- 28 km road cycling
- 3 km road running
- Sun 20 Oct
Northampton, Northamptonshire, UK
ATW Holdenby House Duathlon | Standard Distance Duathlon
- 10.8 km trail running
- 38 km road cycling
- 5.4 km trail running
- Sun 27 Oct
Huntingdon, Cambridgeshire, UK
ATW Grafham Duathlon (inc. 2025 World Championship Standard Distance Duathlon Qualifier) | Standard Distance Duathlon
- 10 km road running
- 38 km road cycling
- 5 km road running
- Sun 10 Nov
Windsor, Buckinghamshire, UK
Dorney Lake Duathlon | Sprint
- 5 km road running
- 19 km road cycling
- 2.5 km road running
- Sun 10 Nov
Windsor, Buckinghamshire, UK
Dorney Lake Duathlon | Standard
- 10 km road running
- 38 km road cycling
- 5 km road running
- Sun 15 Dec
Windsor, Buckinghamshire, UK
Dorney Lake Duathlon | Standard
- 10 km road running
- 38 km road cycling
- 5 km road running
- Sun 15 Dec
Windsor, Buckinghamshire, UK
Dorney Lake Duathlon | Sprint
- 5 km road running
- 19 km road cycling
- 2.5 km road running
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