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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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Dates confirmed by organiser Part of a series
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6 events · 12 races

Dragon's Back Race

Conwy Castle · Eryri / Snowdonia
7 Sept 2026 to 12 Sept
380km over 6 days +3 more 16,600mof ascentMountainousMountain, Fell150 to 399 runnersFirst come first servedEntry open
Entry details confirmed with the organiser on 15 August 2026.

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.

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 17d
Entry details confirmed with the organiser on 14 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