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Marathons in UK in March 2026
Find 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.
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MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 1 Mar
- £40
Barry, South Glamorgan, UK
Barry 40 Mile & Marathon Track Race | Marathon
- 26.2 miles track and field
- Sun 1 Mar
- £45
Merthyr Tydfil, Mid Glamorgan, UK
Brecon to Cardiff Xtreme & Taff Xtreme Marathon | Taff Xtreme Marathon
- 26.2 miles trail running
- Fri 6 Mar
- £20-£27
Staines, Surrey, UK
Midweek Chasing Numbers Mar | Marathon
- 26.2 miles trail running
- Sat 7 Mar
- £59
Eastbourne, East Sussex, UK
EnduranceLife - Sussex | Marathon
- 26.2 miles road running + 4196 ft ascent
- Sat 7 Mar
- £40-£42
Oldham, Greater Manchester, UK
Saddleworth Ten Res’s | 10 Res’s Off Road Marathon
- 43 km trail running
- Sun 8 Mar
- £50
Burry Port, Dyfed, UK
Great Welsh Marathon Events | Full Marathon
- 26.2 miles road running + 363 ft ascent
- Sat 14 Mar
- £60
Belfast, County Antrim, UK
Castle to Castle | The Marathon
- 26.2 miles multi terrain running
- Sat 14 Mar
- £50
Carmarthen, Dyfed, UK
Brechfa Trail Races: Half Marathon & Marathon | Marathon
- 26 miles trail running
- Sun 15 Mar
- £22-£25
Cambridge, Cambridgeshire, UK
Cambridge Boundary Run | Marathon
- 26.2 miles trail running
- Sat 21 Mar
- £52-£98
Winchester, Hampshire, UK
Winter's End - 50 Mile Ultra & Marathon
- Marathon 2
- Ultra run
- Sat 21 Mar
- £30-£32
Chesterfield, Derbyshire, UK
Trails of Mena | Trail Marathon
- 26.2 miles trail running
- Sun 22 Mar
- £42-£44
Tiverton, Devon, UK
Grand Canal Canter | Marathon
- 26.2 miles trail running + 180 ft ascent
- Sun 22 Mar
- £30
Redhill, Surrey, UK
Y2Y North Downs Trek / Run | Marathon Run
- 26.2 miles road running + 3025 ft ascent