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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

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Dates confirmed by organiser Part of a series
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1 event · 4 races

Dragon's Back Race

Conwy Castle · Eryri / Snowdonia
7 Sept 2026 to 12 Sept
380km over 6 days · Choose your own, roughly half of each day · 137km over 2 days · 110km over 2 days16,600mMountainousMountain, Fell150 to 399 runnersFirst come first servedEntry open
Entry details confirmed with the organiser on 15 August 2026.

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Small-field UK ultras | Ultralist