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UK ultra marathons

Every organised ultra in the UK, Northern Ireland and the Crown dependencies. Filter by distance, terrain, hilliness and how you actually get in.

Terrain

Trail Fell Mountain Moorland Coastal path Forest Canal & towpath Road Urban

Hilliness

Flat Rolling Hilly Mountainous

Format

Single stage Stage Timed Backyard Relay

Entry mechanism

First come first served Ballot Application & selection Invitational

Field size

Under 50 50 to 149 150 to 399 400 to 999 1,000+

Specific month

January February March April May June July August September October November December

Other

Dates confirmed by organiser Part of a series

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7 events · 15 races

Slate Trail Ultra

Porth Penrhyn, Bangor · Eryri / Snowdonia

3,900mof ascentHillyMountain, Trail50 to 149 runnersFirst come first servedBallot open

Entry details as published by the organiser, checked 15 August 2026.

The Copthorne Races

Mickleham Village Hall, Mickleham, Dorking RH5 6EE · North Downs

6,888mof ascentMountainousTrailFirst come first servedEntry open

Entry details confirmed with the organiser on 15 August 2026.

The Hardmoors 55

Guisborough · North York Moors · Hardmoors

55 miles 2,700mof ascentMountainousTrail, Moorland150 to 399 runnersFirst come first servedEntry open

Entry details confirmed with the organiser on 15 August 2026.

Butcombe Trail Ultra

Mendip Activity Centre, BS25 5PQ · South West

1,960mof ascentHillyTrail50 to 149 runnersFirst come first servedQualifierEntry open

Entry details confirmed with the organiser on 15 August 2026.

Five Rivers Ultra

50mi: Trimley Memorial Hall, Trimley St Martin | 50km: Shotley Village Hall, Shotley · East Anglia

Coastal path, TrailFirst come first servedQualifierEntry open

Entry details confirmed with the organiser on 15 August 2026.

Run Britannia

Land's End, Cornwall · Cornwall

28 May 2027 to 3 Jul

1,000 miles over 31 stages 21,336mof ascentRollingTrail, RoadFirst come first servedEntry open

Entry details as published by the organiser, checked 15 August 2026.

The Montane Lakeland 50 & 100

Coniston · Lake District

23 Jul 2027 to 25 Jul

105 miles · 50 miles 6,856mof ascentMountainousFell, Mountain400 to 999 runnersBallotQualifierBallot opens in 16d

Entry details confirmed with the organiser on 14 August 2026.