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Half marathons in Grantham
Find half marathons near me in Grantham for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.
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- Sun 20 Jul
- £45
- Sun 20 Jul
- £45
Grantham, Leicestershire, UK
Belvoir Castle | Half Marathon
A jewel in the castle crown! Get active in the beautiful castle grounds in a half marathon run then celebrate with fellow athletes, friends and family in the fantastic festival village afterwards.
- Chip timing
- Enter online
- Age 17 & over
- 21.1 km trail running
- Sat 12 Jul
Grantham, Leicestershire, UK
Midlands Spartan Trifecta Weekend | Beast 21K - Saturday
- 21 km multi terrain running