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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.
Hilliness
Entry mechanism
Suffolk Backyard Ultra Festival
High Lodge, Thetford Forest, Brandon · East Anglia
5 Jun 2027
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
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
Entry details as published by the organiser, checked 15 August 2026.
West Highland Way Race
Milngavie · Central Belt
19 Jun 2027
Entry details as published by the organiser, checked 15 August 2026.
The Montane Lakeland 50 & 100
Coniston · Lake District
23 Jul 2027 to 25 Jul
Entry details confirmed with the organiser on 14 August 2026.