Duathlons in UK in July 2025
Find duathlons 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
- £75
- Sat 19 Jul
- £75
Belvoir Castle | Sprint Duathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in a Sprint Duathlon! Celebrate in the festival village afterwards.
- Chip timing
- Enter online
- Age 15 & over
- 5 km trail running
- 20 km road cycling
- 2.5 km trail running

- Sun 20 Jul
- £80
- Sun 20 Jul
- £80
Belvoir Castle | Standard Duathlon
Great Britain Age Group 2026 Team Qualifier. A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in a Standard Duathlon then celebrate.
- Chip timing
- Enter online
- Age 17 & over
- 10.5 km trail running
- 45 km road cycling
- 5 km trail running

- Sun 20 Jul
- £90
- Sun 20 Jul
- £90
Belvoir Castle | Middle Duathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in Middle Distance Duathlon! Celebrate in the festival village afterwards.
- Chip timing
- Enter online
- Age 18 & over
- 10.5 km trail running
- 90 km road cycling
- 10.5 km trail running

- Sun 20 Jul
- £20
- Sun 20 Jul
- £20
Central Lancashire Junior and Super Sprint Duathlon - Summer | TriStart
Make use of the superb facilities at the University of Central Lancashire. You will be running and cycling on their amazing Crit track and brand-new athletics track - all traffic-free.
- Enter online
- Flat
- Traffic free
- Age 8-9
- 400 m track and field
- 1.5 km track cycling
- 200 m track and field

- Sun 20 Jul
- £25
- Sun 20 Jul
- £25
Central Lancashire Junior and Super Sprint Duathlon - Summer | TriStar 1
Make use of the superb facilities at the University of Central Lancashire. You will be running and cycling on their amazing Crit track and brand-new athletics track - all traffic-free.
- Enter online
- Flat
- Traffic free
- Age 9-10
- 1200 m track and field
- 3 km track cycling
- 400 m track and field

- Sun 20 Jul
- £25
- Sun 20 Jul
- £25
Central Lancashire Junior and Super Sprint Duathlon - Summer | TriStar 2
Make use of the superb facilities at the University of Central Lancashire. You will be running and cycling on their amazing Crit track and brand-new athletics track - all traffic-free.
- Enter online
- Flat
- Traffic free
- Age 11-12
- 1500 m track and field
- 6 km track cycling
- 600 m track and field

- Sun 20 Jul
- £25
- Sun 20 Jul
- £25
Central Lancashire Junior and Super Sprint Duathlon - Summer | TriStar 3
Make use of the superb facilities at the University of Central Lancashire. You will be running and cycling on their amazing Crit track and brand-new athletics track - all traffic-free.
- Enter online
- Flat
- Traffic free
- Age 13-14
- 2 km track and field
- 7.5 km track cycling
- 800 m track and field

- Sun 20 Jul
- £40
- Sun 20 Jul
- £40
Central Lancashire Junior and Super Sprint Duathlon - Summer | Sprint
Make use of the superb facilities at the University of Central Lancashire. You will be running and cycling on their amazing Crit track and brand-new athletics track - all traffic-free.
- Enter online
- Flat
- Traffic free
- Age 15 & over
- 4.8 km track and field
- 19.5 km track cycling
- 3.2 km track and field

- Sun 20 Jul
- £30
- Sun 20 Jul
- £30
Central Lancashire Junior and Super Sprint Duathlon - Summer | Super Sprint
Make use of the superb facilities at the University of Central Lancashire. You will be running and cycling on their amazing Crit track and brand-new athletics track - all traffic-free.
- Enter online
- Flat
- Traffic free
- Age 15 & over
- 2 km track and field
- 12 km track cycling
- 2 km track and field
- Thu 3 Jul
Duathlon - Hillingdon Triathletes | Super Sprint
- 3 km road running
- 9 km road cycling
- 100 m road running
- Thu 3 Jul
Duathlon - Hillingdon Triathletes | Sprint
- 3 km road running
- 15 km road cycling
- 1.5 km road running
- Wed 9 Jul
South West Maritime Triathlon Series - Race 3 | Duathlon
- 3 km road running
- 18 km road cycling
- 5 km road running
- Wed 16 Jul
Cotswolds Lake 62 Evening Triathlon Series - Race 3 | Duathlon
- 1.5 km trail running
- 12.5 km road cycling
- 3 km trail running
- Thu 31 Jul
Duathlon - Hillingdon Triathletes | Super Sprint
- 3 km road running
- 9 km road cycling
- 100 m road running
- Thu 31 Jul
Duathlon - Hillingdon Triathletes | Sprint
- 3 km road running
- 15 km road cycling
- 1.5 km road running