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Trail Running Events Found In Cardiff
View all ↓Trail Running Events | Cardiff | 2026
The most comprehensive list of Trail Running Events in and around Cardiff in 2026 - 2027. Discover, compare and book the best Trail Races near you, including off road running events and fell running races.
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Race Calendar: Trail Running In & Near Cardiff
ABBATHON 5K & 10K Themed Run - Chepstow
Chepstow, Gwent
Sat 26 Sep 26
£29.99 - £31.99
Quantock Hills Trail Half Marathon
Kilve Court - SSE Outdoors Kilve, Bridgewater Somerset, TA5 1EA
Sun 04 Oct 26
£42.13
Ashton Court Epic Trail Sponsored By GORUCK
Bristol, Avon
Sun 04 Oct 26
£25.00 - £55.00
5.0
Selworthy Stargazer
Tank Tracks, North Hill, Minehead, Somerset, TA24 5LB
Fri 30 Oct 26
£22.50
The Cardiff 1.5k, 5k, 10k & Half Marathon MoRun
Cardiff
Sun 01 Nov 26
£15.00 - £35.00
5.0
The Bristol 1.5k, 5k, 10k & Half Marathon MoRun
Bristol, North Somerset
Sun 15 Nov 26
£15.00 - £35.00
The Smurf Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 21 Nov 26
£18.00 - £34.00
Machen Trail Races: Half and Full Marathons
Caerphilly, Mid Glamorgan
Sat 28 Nov 26
£40.00 - £50.00
4.9
Storm the Fort
Burnham-on-Sea, Brean, Somerset
Sat 16 Jan 27
£22.50
The Milkshake Meander - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sun 24 Jan 27
£18.00 - £35.00
The Cardiff 5k, 10k and Half Marathon Winter Warmer Run
Cardiff
Sun 31 Jan 27
£25.00 - £30.00
4.9
Caerphilly Trail 5k and 10k
Caerphilly, Mid Glamorgan
Sun 14 Feb 27
£29.00 - £34.00
4.8
The Bristol 5k and 10k Winter Warmer Run
Bristol, Avon
Sun 14 Feb 27
£25.00 - £30.00
4.2
The Winter Green Man Ultra
Bristol, Bristol City
Sat 06 Mar 27
£20.00 - £180.00
5.0
Mendip Aurora
Winscombe, Churchill, North Somerset
Sat 20 Mar 27
£22.50
Radyr & Morganstown Half Marathon and Marathon
Cardiff
Sat 08 May 27
£45.00 - £55.00
4.8
Cheddar Gorge Challenge (Marathon, Half, 10km, 6km, Fun Runs)
Bristol, Somerset
Sun 13 Jun 27
£8.10 - £75.60
4.7
Wye Valley Tunnel Run (Marathon, Half, 10km, Colourburst)
Sedbury, Gloucestershire
Sun 18 Jul 27
£10.80 - £64.80
4.1
The MTC Summer Green Man Ultra
Bristol, Bristol City
Sat 21 Aug 27
£80.00 - £175.00
5.0
Bristol Backyard Ultra 2027
Bristol, Avon
Sat 01 May 27 - Mon 03 May 27
£92.90 - £94.90
Showing 1-20 of 20 results