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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

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Other

Dates confirmed by organiser Part of a series
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2 events · 2 races

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.

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.

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Backyard ultras in the UK | Ultralist