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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.

Distance50K50 mile100K100 mile200km+Unbounded
WhereEnglandScotlandWales
WhenNext 3 monthsNext 6 monthsNext 12 monthsSpringSummerAutumnWinter
EntryEntry open nowOpens in 30 daysBallotNo qualifier
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Terrain

TrailFellMountainMoorlandCoastal pathForestCanal & towpathRoad

Hilliness

FlatRollingHillyMountainous

Format

Single stageStageTimedBackyard

Entry mechanism

First come first servedBallotQualifying standardInvitational

Field size

Under 5050 to 149150 to 399400 to 9991,000+

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11 events · 19 races

Dartmoor Way

OCRA Pavilion in the Park, Mill Road, Okehampton, Devon EX20 1GE · Dartmoor
2 Oct 2026 to 3 Oct
4,000m per lapof ascentHillyMoorland, TrailFirst come first servedQualifierEntries closed
Entry details confirmed with the organiser on 15 August 2026.

Epping Forest 50 KM

Wanstead Flats, Capel Rd, London · London
3 Oct 2026
514mof ascentRollingForest, TrailFirst come first servedEntry not yet open
Entry dates not yet known.

William Wallace Ultra

Stirling Cricket Club, Royal Stuart Way, Stirling FK7 7WS · Central Belt
10 Oct 2026
1,289m per lapof ascentRollingTrail50 to 149 runnersFirst come first servedEntry open
Entry details as published by the organiser, checked 15 August 2026.

Backyard Ultra World Team Championships (United Kingdom)

Sherwood Pines Forest Park, Edwinstowe · Midlands
17 Oct 2026
Backyard, 15 selected runnersTrail, ForestUnder 50 runnersInvitationalQualifierEntries closed
Entry details confirmed with the organiser on 15 August 2026.

Slate Trail Ultra

Porth Penrhyn, Bangor · Eryri / Snowdonia
14 Nov 2026
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
21 Nov 2026
6,888mof ascentMountainousTrailFirst come first servedEntry open
Entry details confirmed with the organiser on 15 August 2026.

Gullane 8-hour Challenge

Gullane · Central Belt
27 Feb 2027
Open ended - 8 hoursCoastal path, TrailEntry open
Entry details as published by the organiser, checked 15 August 2026.

St Peters Way Ultra

Ongar · Home Counties
28 Feb 2027
42 milesEntry not yet open
Entry details as published by the organiser, checked 15 August 2026.

The Hardmoors 55

Guisborough · North York Moors · Hardmoors
20 Mar 2027
55 miles 2,700mof ascentMountainousTrail, Moorland150 to 399 runnersFirst come first servedEntry 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
15 May 2027
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.

Related searches

Ultra marathons in ScotlandUltra marathons in the Lake District100 mile races in the UKBackyard ultras in the UKUK ultras with entry opening soonUK ultras with no qualifier neededWinter ultras in the UKSmall-field UK ultras
UK ultra marathons: the full list | Ultralist