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Half marathons in March 2026
Find half marathons in March 2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.
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Event listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 22 Mar 2026
Carlisle, Cumbria, UK
Run Carlisle Half Marathon and 10K | Half Marathon
- 13.1 miles road running
- Sun 22 Mar 2026
Milton Keynes, Buckinghamshire, UK
Twin Lakes 20 | 20 Mile
- 20 miles multi terrain running
- Sun 22 Mar 2026
Wilmslow, Cheshire, UK
Waters Wilmslow Running Festival | The Asics Half Marathon
- 13.1 miles road running + 386 ft ascent
- Sun 22 Mar 2026
Merthyr Tydfil, Mid Glamorgan, UK
The Merthyr Half Marathon | Half Marathon
- 13.1 miles road running
- Sun 22 Mar 2026
Hexham, Northumberland, UK
TRAILDOG Kielder Waterside | Half Marathon
- 13.1 miles road running
- Sun 22 Mar 2026
Coleford, Gloucestershire, UK
Forest of Dean Spring Trails Half Marathon
- 13.1 miles trail running
- Sun 22 Mar 2026
Littleborough, Greater Manchester, UK
Canalathon-Ultra Running Festival | Half marathon
- 13.1 miles road running + 48 m ascent
- Sat 28 Mar 2026
Tring, Hertfordshire, UK
Run the Wild Half Marathon - Spring Edition
- 21.1 km trail running + 300 m ascent
- Sun 29 Mar 2026
Arundel, West Sussex, UK
Springtide Half Marathon
- 13.5 miles trail running + 1175 ft ascent