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Backyard ultras in the UK

One lap every hour until one runner is left. No fixed distance, so the usual filters do not apply: what matters is the lap profile and the field size.

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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2 events · 5 races

Run Britannia

Land's End, Cornwall · Cornwall
28 May 2027 to 3 Jul
1,000 miles over 31 stages21,336mRollingTrail, RoadFirst come first servedDate unknown
Entry details as published by the organiser, checked 15 August 2026.

Solstice at the Lakes

Leybourne Lakes Country Park, Malling Rd, Snodland ME20 6JA · Home Counties
19 Jun 2027
Trail, RoadFirst come first servedDate unknown
Entry details as published by the organiser, checked 15 August 2026.

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Backyard ultras in the UK | Ultralist