Jones o Gymru Anglesey Half Marathon and 10K
Sun 23 May 2027 Holyhead, Isle of Anglesey

Jones o Gymru Anglesey Half Marathon and 10K

Discover a new perspective on racing in North Wales with the Jones o Gymru Anglesey Half Marathon & 10K, now set in the heart of rural Ynys Môn (Anglesey).

Sign up for £10.49-£55.99

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3 races

  • Sun 23 May 2027
  • #1 of 3
Anglesey Show Ground, Holyhead

Dragons Dash

09:40

Age 5-14

£10.49-£10.99

  • 1.3 miles road running
  • Sun 23 May 2027
  • #2 of 3
Anglesey Show Ground, Holyhead

10K

09:30

Age 15 & over

£32.99-£39.99

  • 10 km road running + 99 m ascent
  • Sun 23 May 2027
  • #3 of 3
Anglesey Show Ground, Holyhead

Half Marathon

09:00

Age 17 & over

£47.99-£55.99

  • 13.1 miles road running + 220 m ascent

Event overview

Set at the Anglesey Showground, this all-in-one hub brings everything together in one place, with parking, event village, expo and food vendors creating a relaxed, social race-day atmosphere.

From here, both routes head onto quiet, rolling country lanes through central Anglesey, delivering peaceful running, unspoilt scenery and far-reaching views towards the peaks of Eryri (Snowdonia).

Highlights

  • New for 2027: fully closed-road routes for both the 10K and Half Marathon
  • Scenic, undulating courses with stunning views across Anglesey and towards Eryri
  • Ideal for all abilities, from first-timers to experienced runners and fundraisers
  • Strong PB potential on traffic-free roads, perfect for early-season racing
  • Great mid-point event for marathon training
  • Friendly, welcoming atmosphere with a strong community feel
  • Event village with expo, food vendors and on-site parking
  • Includes the Dragons Dash kids’ 1.3-mile race (ages 5+)
  • A full day out for runners and supporters alike

Event community

Matthew C.

Matthew C.

Gary E.

Gary E.

  • All fitness levels
  • Average fitness
  • Beginner-friendly
  • Dogs allowed at venue
  • Event village
  • Families
  • Spectators
  • Traders at event
  • Venue accessible

Please note that start times are approximate and will be confirmed in your Final Instructions 10 days prior to the event.

  • Cafe
  • Free parking
  • Music
  • Rural
  • Secure bag storage
  • Toilets

Event HQ

Anglesey Show Ground
Holyhead
Isle of Anglesey
LL65 4RP
UK

Anglesey Showground is located in Mona, Anglesey, just a couple of minutes from junction 6 of the A55, and 10 minutes from the mainland and the city of Bangor.

Truly fantastic race! I will definitely be back - the start line is fantastic, the views throughout are spectacular and a massive thanks must go to the locals who came out in force ringing their cowbells to support every runner.

 This was a lovely race. Well organised with good pre event info. Amanda C

This was my first half marathon. Runners of all types. The hilly bits are not too bad actually, was a bit scared but by the time I got there, the spirit of the experienced runners lifts you through. Tuheen H

Brilliant, gorgeous and unique race with awesome start location and so much support along the way. Ali L

This was without doubt the most picturesque 10k I've done to date. Running down underneath the bridge was amazing. Clive P

It's my 6th visit to the Anglesey Half Marathon. And it still remains my favourite road race. Si F

This was my first road race. It was a fantastic event and one that I will never forget Gemma D

I thoroughly enjoyed the Anglesey Half Marathon. The scenic, undulating course started promptly, no messing, straight into the race. The support, be it marshals, supporters and participants were all great sports! San B

Reviews thanks to Race Check

  • Carbon offset
  • Lift sharing advised
  • Optional t-shirt
  • Plastic bottle free
  • Plastic-free event
  • Public transport links
  • Recycling
  • Reusable cups
  • Sustainability policy

Locally-sourced Welsh slate coaster finish memento and sustainable giveaway. 

Races at event

  • Sun 23 May 2027
  • #1 of 3
Anglesey Show Ground, Holyhead
Dragons Dash

09:40

Age 5-14

£10.49-£10.99

  • 1.3 miles road running
  • Sun 23 May 2027
  • #2 of 3
Anglesey Show Ground, Holyhead
10K

09:30

Age 15 & over

£32.99-£39.99

  • 10 km road running + 99 m ascent
  • Sun 23 May 2027
  • #3 of 3
Anglesey Show Ground, Holyhead
Half Marathon

09:00

Age 17 & over

£47.99-£55.99

  • 13.1 miles road running + 220 m ascent
4 steps to wellbeing
Sleep well

A good night's sleep is an essential foundation for a healthy lifestyle, effective training and weight control.

Train slow

Low-intensity training is easier for you, reduces the risk of injury and helps builds an efficient aerobic system.

Eat natural

Cut out sugar & junk food, reduce carbs, eat natural foods and train your body to burn fat for fuel.

Get outdoors

Fresh air, natural light and reconnecting with nature all help to improve mental and physical wellbeing.