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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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TrailFellMountainMoorlandCoastal pathForestCanal & towpathRoadUrban

Hilliness

FlatRollingHillyMountainous

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Entry mechanism

First come first servedBallotApplication & selectionInvitational

Field size

Under 5050 to 149150 to 399400 to 9991,000+

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13 events · 18 races

Dartmoor Way

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

Epping Forest 50km

Wanstead Flats, Capel Rd, London · London
3 Oct 2026
514mof ascentRollingForest, Trail150 to 399 runnersFirst come first servedEntry not yet open
Entry dates not yet known.

Glasgow to Edinburgh Ultra

Riverside Museum, 100 Pointhouse Rd, Glasgow G3 8RS · Central Belt
10 Oct 2026
231mof ascentFlatCanal & towpath, Road400 to 999 runnersFirst come first servedQualifierSold out
Entry details confirmed with the organiser on 15 August 2026.

William Wallace Ultra

Stirling Cricket Club, Royal Stuart Way, Stirling FK7 7WS · Central Belt
10 Oct 2026
1,289mof 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
4.167 mile laps, last runner standingTrail, ForestUnder 50 runnersInvitationalQualifierEntries closed
Entry details confirmed with the organiser on 15 August 2026.

Thames Trail Ultra

Mercure Oxford Hawkwell House Hotel, Church Way, Iffley, Oxford OX4 4DZ · Chilterns
24 Oct 2026
289mof ascentFlatTrail, Coastal pathFirst come first servedEntry not yet open
Entry dates not yet known.

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

Butcombe Trail Ultra

Mendip Activity Centre, BS25 5PQ · South West
17 Apr 2027
1,960mof ascentHillyTrail50 to 149 runnersFirst come first servedQualifierEntry open
Entry details confirmed with the organiser on 15 August 2026.

Fife Pilgrim Way Ultra Marathon

North Queensferry · Central Belt
1 May 2027
1,200mof ascentRollingTrail, RoadFirst come first servedQualifierEntry open
Entry details confirmed with the organiser on 15 August 2026.

National Forest Way Ultra

Alrewas Showground, Daisy Lane, Burton-on-Trent DE13 7DP · Midlands
8 May 2027 to 9 May
1,200mof ascentFlatTrail, Canal & towpathFirst 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
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.

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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