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Trail Marathons in UK
Find trail marathons in UK in 2026/2027 - 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.
- Sat 26 Dec
- £33-£35
Egham, Surrey, UK
Boxing Day Challenge | Marathon
Come and join the day of running and aim to complete a marathon at your own pace on a flat, out-and-back route along the River Thames then receive a bespoke medal and goody bag at the finish!
- 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
- 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 12 Apr
- £44
Sedbergh, Cumbria, UK
Montane Howgills Trail 10, 13 & 26 | 26 Mile
- 26 miles trail running
- Sat 18 Apr
- £45
Craven Arms, Shropshire, UK
Shropshire Way 80K Festival | Mammothon
- 42 km trail running + 1000 m ascent
- Sun 19 Apr
- £80.50
South Molton, Devon, UK
Devon Coast to Coast Ultra Marathon | Exmoor In A Day (Marathon)
- 26.2 miles trail running
- Sat 25 Apr
- £59
Haverfordwest, Pembrokeshire, UK
EnduranceLife - Pembrokeshire | Marathon
- 27.3 miles trail running + 3067 ft ascent
- Sun 3 May
- £45
Shipston-on-Stour, Warwickshire, UK
Tempo Trail Races | Marathon
- 26.2 miles trail running + 1743 ft ascent
- Mon 4 May
- £52
Winchester, Hampshire, UK
BigWayRound - Winchester | Marathon
- 26.2 miles trail running
- Sat 9 May
- £50
Cardiff, UK
Radyr Trail Races: Half Marathon and Marathon | Marathon
- 26.2 miles trail running
- Sat 9 May
- £59
Exmoor, Devon, UK
Endurancelife | Exmoor | Marathon
- 27.4 miles trail running + 6070 ft ascent