Duathlons in Grantham in July 2025
Find duathlons near me in Grantham 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