Trail & ultra races in Wales, UK

December 2026

2 races

SUN

6

Sea 2 Summit - Offa's Dyke Half/Full/Ultra

ULTRA

Prestatyn, Wales, GB

56 km42 km21 km

SAT

12

Celtic Ultra 2026

ULTRA

Aberdare, South Wales, GB

55 km

January 2027

1 race

SAT

16

Winter Run to the Castle Ultra 2027

ULTRA

Aberdyfi, North Wales, GB

68 km

February 2027

1 race

SUN

14

Brecon to Cardiff Ultra 2027

ULTRA

Brecon, South Wales, GB

76 km69 km

March 2027

3 races

SAT

6

Beast of the Blacks 2027

ULTRA

Crickhowell, South Wales, GB

64 km

SAT

13

Castle2Castle #Ultra

ULTRA

Welshpool, Wales, GB

52 km

SAT

20

Nant yr Arian Silver Trail

Ystumtuen, Wales, GB

25 km10 km

April 2027

4 races

FRI

2

Rasus y Bannau 2027

ULTRA

Brecon, South Wales, GB

100 km64 km43 km

SAT

17

The Marreg

ULTRA

Crymych, Wales, GB

81 km

SAT

17

Beast of the Beacons

ULTRA

Talybont-on-Usk, Wales, GB

64 km32 km16 km

SAT

24

Mon & Brec Canal 40 Mile Race

ULTRA

Newport, Wales, GB

64 km

May 2027

4 races

SAT

8

Radyr Trail Marathon

Tongwynlais, Wales, GB

42 km21 km

SAT

8

Preseli Beast

ULTRA

Maenclochog, Wales, GB

52 km

SUN

9

Excalibur Trail Races

Bwlch Penbarras, Wales, GB

42 km21 km10 km

FRI

14

Ultra-Trail Snowdonia Eryri by UTMB 2027

ULTRA

Llanberis, Gwynedd, GB

163 km106 km78 km56 km22 km

June 2027

2 races

FRI

11

Pomona 100

ULTRA

Chepstow, Wales, GB

161 km100 km

SAT

19

GB Ultras - Ultra Wales 50

ULTRA

Ganllwyd, Wales, GB

82 km

July 2027

6 races

SAT

3

Pegasus - The PIGUM

ULTRA

Abergavenny, Wales, GB

48 km22 km

SAT

3

Black Sheep Coastal Rush

ULTRA

Pwllheli, Wales, GB

50 km25 km

SAT

24

Beacons Way Ultra 100 Mile

ULTRA

Abergavenny, Wales, GB

161 km

SAT

24

Welsh 3000 Challenge (14 Peaks)

ULTRA

Capel Curig, Wales, GB

50 km

SAT

24

Beacons Way Ultra 100km

ULTRA

Llangynidr, Wales, GB

100 km

SAT

24

Ultra X Wales

ULTRA

Bannau Brycheiniog National Park (Brecon Beacons), Wales, GB

161 km110 km60 km50 km25 km12 km

August 2027

2 races

SAT

7

Brecon Beacons 51k

ULTRA

Talybont-on-Usk, Wales, GB

51 km24 km

SAT

21

Race The Train

Tywyn, Wales, GB

23 km10 km6 km

September 2027

2 races

MON

6

Dragon's Back Race 2027

ULTRA

Conwy, Conwy, GB

380 km

MON

20

Welsh 3 Peaks Race

ULTRA

Llanberis, Wales, GB

295 km117 km101 km77 km68 km60 km54 km53 km

October 2027

1 race

SAT

9

Loggerheads Autumn Trails

Mold, Wales, GB

12 km6 km