53
Trail Half marathons in UK in March 2026
Find trail half marathons in UK in March 2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
Filter by place
Leeds
London
South East
South West
East of England
East Midlands
West Midlands
Yorkshire
North East
Wales
Jersey
Everywhere
Filter by date
This week
This weekend
Next week
Next weekend
Feb
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Winter
Spring
Summer
Autumn
All dates
Filter by category
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 1 Mar
- £42
Jersey, Jersey
El Diablo Trail Half Marathon & 10K | Half Marathon
- 13.1 miles trail running + 2096 ft ascent
- Sun 1 Mar
- £42
Pwllheli, Gwynedd, UK
St Davids Day Celebration North Wales Pilgrims Half Marathon | Half Marathon
- 21 km trail running
- Sat 7 Mar
- £47
Eastbourne, East Sussex, UK
EnduranceLife - Sussex | Half Marathon
- 13.1 miles trail running + 2185 ft ascent
- Sun 8 Mar
- £44
Dorking, Surrey, UK
Leith Hill Half Marathon
- 13.1 miles trail running + 1778 ft ascent
- Sat 14 Mar
- £30-£32.50
Otley, West Yorkshire, UK
Welcome Way | 13 Mile
- 13 miles trail running + 2200 ft ascent
- Sat 14 Mar
- £40
Carmarthen, Dyfed, UK
Brechfa Trail Races: Half Marathon & Marathon | Half Marathon
- 13 miles trail running
- Sun 15 Mar
- £22-£25
Cambridge, Cambridgeshire, UK
Cambridge Boundary Run | Half Marathon
- 13.1 miles trail running
- Sun 15 Mar
- £35
Richmond, UK
The Richmond Spring Riverside 10K and Half Marathon Run | Half Marathon
- 13.1 miles trail running
- Sun 15 Mar
- £40
Marlborough, Wiltshire, UK
Ramsbury Half & 10K | Half Marathon
- 13.1 miles multi terrain running + 960 ft ascent
- Sun 15 Mar
- £28-£30
Alnwick, Northumberland, UK
Alnwick Castle Trail Runs - 10K & Half Marathon | Half Marathon
- 13.1 miles trail running
- Sun 15 Mar
- £20-£30
Kidderminster, Worcestershire, UK
Wyre Wizard Trail Half Marathon & Super Seven | Half Marathon
- 13 miles trail running
- Sun 22 Mar
- £33-£35
Tiverton, Devon, UK
Grand Canal Canter | Half Marathon
- 13.1 miles trail running + 90 ft ascent
- Sun 22 Mar
- £35-£37
Milton Keynes, Buckinghamshire, UK
Twin Lakes 20 | 20 Mile
- 20 miles multi terrain running
- Sun 22 Mar
- £32-£34
Coleford, Gloucestershire, UK
Forest of Dean Spring Trails Half Marathon
- 13.1 miles trail running
- Sun 22 Mar
- £30
Hexham, Northumberland, UK
TRAILDOG Kielder Waterside | Half Marathon
- 13.1 miles road running
- Sat 28 Mar
- £55
Tring, Hertfordshire, UK
Run the Wild Half Marathon - Spring Edition
- 21.1 km trail running + 300 m ascent
- Sun 29 Mar
- £42
Arundel, West Sussex, UK
Springtide Half Marathon
- 13.5 miles trail running + 1175 ft ascent