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Small-field UK ultras

Under 400 runners. Quieter start lines, fewer people at the checkpoints, and long stretches where you will not see anybody.

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+

Specific month

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Other

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

Butcombe Trail Ultra

Mendip Activity Centre, BS25 5PQ · South West
17 Apr 2027
1,960mHillyTrail50 to 149 runnersQualifying standardQualifierDate unknown
Entry details confirmed with the organiser on 15 August 2026.

Suffolk Backyard Ultra Festival

High Lodge, Thetford Forest, Brandon · East Anglia
5 Jun 2027
4.167 mile laps, last runner standing28m per lapFlatTrail, Forest150 to 399 runnersFirst come first servedDate unknown
Entry details as published by the organiser, checked 15 August 2026.

South Downs Way 100 & 50km

Matterley Bowl, near Winchester · South Downs · Centurion
12 Jun 2027 to 13 Jun
100 miles · 50km3,800mHillyTrail, Road400 to 999 runnersFirst come first servedQualifierEntry open
Entry details as published by the organiser, checked 15 August 2026.

West Highland Way Race

Milngavie · Central Belt
19 Jun 2027
95 miles4,500mHillyTrail, Moorland150 to 399 runnersBallotQualifierBallot opens in 47d
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 UK
Small-field UK ultras | Ultralist