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Trail Running Events Found In Cardiff

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Trail Running Events | Cardiff | 2025

The most comprehensive list of Trail Running Events in and around Cardiff in 2025 - 2026. Discover, compare and book the best Trail Races near you, including off road running events and fell running races.

Find A Race is the UK's most popular event listings website, with over 3 million users a year using our database of over 2,500 events to discover, compare and book their next challenge.


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Wales

Wales

Race Calendar: Trail Running In & Near Cardiff

The Giddy Horse Races: 12hr, 8hr Races (Solo & Team) Plus Canicross, Night Races, Obstacle Course Race & Trail Races

Chepstow, Gwent
Sat 25 Oct 25
£25.92 - £90.00

The Bristol 1.5k, 5k & 10k MoRun

Bristol, North Somerset
Sun 09 Nov 25
£15.00 - £30.00
4.0

Smurf Run - Wales

Dare Valley Country Park, Aberdare, CF44 7PS
Sat 22 Nov 25
£18.00 - £35.00

Machen Trail Races: Half and Full Marathons

Caerphilly, Mid Glamorgan
Sat 29 Nov 25
£40.00 - £50.00
4.8

The Cardiff 5k, 10k and Half Marathon Winter Warmer Run

Cardiff
Sun 01 Feb 26
£25.00 - £30.00
4.9

The Bristol 5k and 10k Winter Warmer Run

Bristol, Avon
Sat 14 Feb 26
£25.00
4.2

Caerphilly Trail 5k and 10k

Caerphilly, Mid Glamorgan
Sun 15 Feb 26
£26.00 - £30.00
4.7

The Winter Green Man Ultra

Bristol, Bristol City
Sat 07 Mar 26
£20.00 - £180.00

MTC CYMRUN 26

Tue 14 Apr 26 - Sun 19 Apr 26
£300.00 - £1,200.00

MTC Y Draig Goch

Merthyr Tydfil, Mid Glamorgan
Sun 19 Apr 26
£90.00 - £155.00

Radyr & Morganstown Half Marathon and Marathon

Cardiff
Sat 09 May 26
£40.00 - £50.00
4.8

Cheddar Gorge Challenge (Marathon, Half, 10km, 6km, Fun Runs)

Bristol, Somerset
Sun 14 Jun 26
£8.10 - £75.60
4.7

Wye Valley Tunnel Run (Marathon, Half, 10km, Colourburst)

Sedbury, Gloucestershire
Sun 19 Jul 26
£10.80 - £64.80
4.1

The Summer Green Man Ultra

Bristol, Bristol City
Sat 22 Aug 26
£20.00 - £175.00
5.0

The Cardiff 1.5k, 5k, 10k & Half Marathon MoRun

Cardiff
Sat 08 Nov 25
£15.00 - £35.00
5.0

Cardiff Trail 10k

Fforest fawr cardiff
Sun 18 Jan 26
£30.31
Showing 1-16 of 16 results

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