Races near Cardiff

23 races within 30 miles of Cardiff, soonest first.

Races near Cardiff

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November 2026

2 races

Sat 7 Nov 2026

Beacons Ultra

Ultra · Talybont-on-Usk, Powys

50 miles

Sat 7 Nov 2026

OTT Ultra Marathon

Ultra · Merthyr Tydfil

30 miles

February 2027

1 race

Sat 6 Feb 2027

Trails & Tarmac Winter 12hr Backyard Ultra

Backyard · Crickhowell, Powys

Backyard (4.167mi loops) - 12 hour cap

March 2027

2 races

Sat 6 Mar 2027

Winter Green Man Ultra

Ultra · Bristol

45 miles

Sun 21 Mar 2027

Margam Park Duathlon

Triathlon · Margam, Neath Port Talbot

Duathlon

April 2027

3 races

Sat 17 Apr 2027

Beyond Bristol

Ultra · Bristol

55K · 25K

Sun 18 Apr 2027

ABP Newport Marathon Festival

Running · Newport

Marathon · Half Marathon · 10K

Sat 24 Apr 2027

The Medieval Backyard Ultra

Backyard · Penarth, Vale of Glamorgan

Backyard (4.167mi loops)

May 2027

4 races

Waitlist

Sat 1 May 2027

Bristol Backyard Ultra

Backyard · Bristol

Backyard (4.167mi loops)

8–9 May 2027

Epona 100

Ultra · Abergavenny, Monmouthshire

100km · 100 miles

8–9 May 2027

Great Bristol Run

Running · Bristol

Half Marathon · 10K

Sat 8 May 2027

Radyr & Morganstown Half Marathon and Marathon

Running · Cardiff

Marathon · Half Marathon

June 2027

2 races

Sat 12 Jun 2027

Titan Brecon Middle Distance Triathlon

Triathlon · Tredegar, Blaenau Gwent

Middle

Sun 13 Jun 2027

Cheddar Gorge Challenge

Running · Cheddar, Somerset

Marathon · Half Marathon · 10K

July 2027

2 races

Sat 3 Jul 2027

PIGUM by Pegasus

Ultra · Abergavenny, Monmouthshire

30 miles

24–25 Jul 2027

Beacons Way Ultra

Ultra · Abergavenny, Monmouthshire

100km · 100 miles

August 2027

4 races

Sun 1 Aug 2027

ATW Bristol Triathlon

Triathlon · Bristol

Sprint · Standard

Sat 7 Aug 2027

RunThrough Trails Brecon Beacons 51K

Ultra · Talybont-on-Usk, Powys

51km

Sat 14 Aug 2027

Chepstow Running Festival

Running · Chepstow, Monmouthshire

Half Marathon · 10K · 5K

Sat 21 Aug 2027

Summer Green Man Ultra

Ultra · Bower Ashton, Bristol

45 miles

September 2027

2 races

Sat 11 Sep 2027

Newport Sprint & Olympic Pool Triathlon

Triathlon · Newport

Sprint · Standard

Sat 18 Sep 2027

Trails & Tarmac Summer 12hr Backyard Ultra

Backyard · Crickhowell, Powys

Backyard (4.167mi loops) - 12 hour cap

October 2027

1 race

Waitlist

Sun 3 Oct 2027

Cardiff Half Marathon

Running · Cardiff

Half Marathon

Ultramarathons near Cardiff

Beacons UltraSat 7 Nov 2026 · 29 miles away OTT Ultra MarathonSat 7 Nov 2026 · 20 miles away Winter Green Man UltraSat 6 Mar 2027 · 23 miles away Beyond BristolSat 17 Apr 2027 · 25 miles away Epona 1008–9 May 2027 · 24 miles away PIGUM by PegasusSat 3 Jul 2027 · 24 miles away Beacons Way Ultra24–25 Jul 2027 · 24 miles away RunThrough Trails Brecon Beacons 51KSat 7 Aug 2027 · 29 miles away

Plus 1 more in the list above.

Backyard ultras near Cardiff

Trails & Tarmac Winter 12hr Backyard UltraSat 6 Feb 2027 · 26 miles away The Medieval Backyard UltraSat 24 Apr 2027 · 5 miles away Bristol Backyard UltraSat 1 May 2027 · 23 miles away Trails & Tarmac Summer 12hr Backyard UltraSat 18 Sep 2027 · 26 miles away

Triathlons near Cardiff

Margam Park DuathlonSun 21 Mar 2027 · 24 miles away Titan Brecon Middle Distance TriathlonSat 12 Jun 2027 · 21 miles away ATW Bristol TriathlonSun 1 Aug 2027 · 24 miles away Newport Sprint & Olympic Pool TriathlonSat 11 Sep 2027 · 11 miles away

Marathons near Cardiff

ABP Newport Marathon FestivalSun 18 Apr 2027 · 11 miles away Radyr & Morganstown Half Marathon and MarathonSat 8 May 2027 · 4 miles away Cheddar Gorge ChallengeSun 13 Jun 2027 · 22 miles away

Half marathons near Cardiff

ABP Newport Marathon FestivalSun 18 Apr 2027 · 11 miles away Great Bristol Run8–9 May 2027 · 25 miles away Radyr & Morganstown Half Marathon and MarathonSat 8 May 2027 · 4 miles away Cheddar Gorge ChallengeSun 13 Jun 2027 · 22 miles away Chepstow Running FestivalSat 14 Aug 2027 · 24 miles away Cardiff Half MarathonSun 3 Oct 2027 · 0 miles away

10K races near Cardiff

ABP Newport Marathon FestivalSun 18 Apr 2027 · 11 miles away Great Bristol Run8–9 May 2027 · 25 miles away Cheddar Gorge ChallengeSun 13 Jun 2027 · 22 miles away Chepstow Running FestivalSat 14 Aug 2027 · 24 miles away

Other cities

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Racing near Cardiff

There are 6 running races, 9 ultramarathons, 4 backyard ultras and 4 triathlons and duathlons coming up near Cardiff. The next is Beacons Ultra on Sat 7 Nov 2026 in Talybont-on-Usk. May 2027 is the busiest month, with 4 races. Race locations include Bristol, Abergavenny, Talybont-on-Usk, Crickhowell and Newport. Most events here are trail or mixed-terrain. Entries open now start from £28 at Chepstow Running Festival.

The closest listed races to the city centre are Cardiff Half Marathon, Radyr & Morganstown Half Marathon and Marathon and The Medieval Backyard Ultra. We measure 30 miles in a straight line from central Cardiff, so check journey times before you enter.

What is the next race near Cardiff?

Beacons Ultra, on Saturday 7 November 2026 in Talybont-on-Usk. Always confirm the details on the organiser's site before you travel.

How many races are there near Cardiff?

We currently list 6 running races, 9 ultramarathons, 4 backyard ultras and 4 triathlons and duathlons near Cardiff. The list updates as races finish and new dates are announced.

Are there any ultramarathons near Cardiff?

Yes: Beacons Ultra, OTT Ultra Marathon and Winter Green Man Ultra and more. See also all ultramarathons in Wales.

Are there any triathlons near Cardiff?

Yes: Margam Park Duathlon, Titan Brecon Middle Distance Triathlon and ATW Bristol Triathlon and more. See also all triathlons in Wales.

Races near Cardiff