There are 4 upcoming ultra races in Norfolk listed. Next up: 2026 Winter Weavers' 50km / 100km Ultras (Saturday, 14 November 2026), Suffolk Back Yard Ultra Festival (Saturday, 5 June 2027), Thetford Back Yard Ultra Festival (Saturday, 11 September 2027).
Upcoming races only, soonest first. Confirm dates and entry details with the organiser.
Cromer · Cromer Pier
Ultra Running organised by Boghopper Races Ltd in Cromer. Published options: 50km; 100km. Minimum age: 20 or older. Online entry deadline: Saturday 31st October 2026 at 00:01. Published meeting-location reference: ///allergy.helm.aimed.
£75–£122
See entry options & fees
Thetford · High Lodge Thetford Forest
Suffolk Back Yard Ultra Festival takes place in Thetford on 05 June 2027. Organised by Challenge Running Ltd. Published venue: High Lodge Thetford Forest. Check the organiser’s booking page for the full route, start arrangements, age requirements and current entry conditions.
£80–£130
See entry options & fees
Thetford · High Lodge, Thetford Forest
Thetford Back Yard Ultra Festival takes place in Thetford on 11 September 2027. Organised by Challenge Running Ltd. Published venue: High Lodge, Thetford Forest. Check the organiser’s booking page for the full route, start arrangements, age requirements and current entry conditions.
£60–£100
See entry options & fees
Diss · Diss
Ultra Running organised by Boghopper Races Ltd in Diss. Minimum age: 20 or older. Online entry deadline: Saturday 11th September 2027 at 00:01. Published meeting-location reference: ///relieves.archives.dragonfly.
£68–£75
See entry options & fees
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