UK 50k ultras

19 coming up. UK 50K ultramarathons: the classic first ultra, just five miles beyond a marathon.

50K ultras

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November 2026

2 races

Sat 7 Nov 2026

Dava Way 50K

Ultra · Grantown-on-Spey, Highland

50km

Sat 21 Nov 2026

North Chilterns 50K

Ultra · Luton, Bedfordshire

50km

March 2027

3 races

Sat 13 Mar 2027

Harrold-Odell 50km Trail Race

Ultra · Harrold, Bedfordshire

50km

Sat 20 Mar 2027

Centurion Hundred Hills 50km

Ultra · Stonor, Oxfordshire

50km

Sat 20 Mar 2027

London Lea Valley 50KM and Gratitude 25KM

Ultra · Welwyn Garden City, Hertfordshire

25K · 50K

April 2027

3 races

Sat 10 Apr 2027

Lake District Running Festival 50K

Ultra · Keswick, Cumbria

50km

Sat 17 Apr 2027

Chiltern Ridge Classic 50K

Ultra · Berkhamsted, Hertfordshire

50km

Sat 17 Apr 2027

Ultra X Spring Trail Series

Ultra · Midhurst, West Sussex

50km · 50 miles · 110km

May 2027

5 races

1–2 May 2027

Ultra X Scotland

Ultra · Dores, Highland

50km · 60km · 110km

Sat 1 May 2027

Welsh 3000s Ultra Run

Ultra · Llanberis, Gwynedd

50km

Sun 9 May 2027

Bewl Water Ultra 50km

Ultra · Wadhurst, East Sussex

50km

Sat 22 May 2027

Beat the Sunset 50km

Ultra · Maidenhead, Berkshire

50km

Sun 23 May 2027

Keswick Mountain Festival 50K Trail Ultra

Ultra · Keswick, Cumbria

50km

June 2027

2 races

Sat 5 Jun 2027

The Llangollen 50k

Ultra · Llangollen, Denbighshire

50km

Sat 12 Jun 2027

Centurion South Downs Way 50km

Ultra · Winchester, Hampshire

50km

July 2027

3 races

Sun 4 Jul 2027

Tittesworth Water 50k

Ultra · Leek, Staffordshire

50km

10–11 Jul 2027

Race to the Stones

Ultra · Lewknor, Oxfordshire

50km · 100km

24–25 Jul 2027

Ultra X Wales

Ultra · Brecon, Powys

50km · 60km · 110km

September 2027

1 race

18–19 Sep 2027

Ultra X England

Ultra · Hope Valley, Derbyshire

50km · 60km · 110km

Other distances

100 mile ultras18 races