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registration openChallenge Running Ltd
Suffolk Back Yard Ultra Festival
Next edition: Saturday, 5 June 2027High Lodge, Thetford Forest, Brandon, England
Event venue · approximate postcode area. Approximate race area. Check the organiser’s website for the exact start and race-day directions.
Location evidence
Saved individual current edition explicitly names High Lodge, Thetford Forest. Official Forestry England owner confirms the High Lodge public venue address IP27 0AF. Venue identity is shared, but no exact common start line is inferred. Event-to-place source evidence is preserved from completed catalogue research with its original check time; no claim of newly rechecking the event page. Public owner venue address checked by location research on 2026-09-14. Suffolk/Norfolk historical boundary labels retained in original catalogue; same exact named visitor venue confirmed. Postcodes.io postcode centroid: approximate postcode location, not exact start. Apply only to listed editions where applicability is explicitly bounded.
Event/venue postcode: IP27 0AF
Location checked 2026-09-14.
Suffolk Back Yard Ultra Festival is an open-ended backyard ultra at High Lodge in Thetford Forest, with runners completing a 4.167-mile (6.7056 km) yard every hour until one finisher remains.
Official race site (opens in a new tab)
Optional device-only history; never synced to your account. Shared-device users can leave it off.
DistanceVariable · 6.706km loop
AscentNot verified
Event windowNo fixed limit
EntryNot verified
Formatbackyard · last person standing · looped
Navigationfully marked
StartHigh Lodge, Thetford Forest
FinishHigh Lodge, Thetford Forest
Start interval60 minutes
Base campSupported
Next edition
5 June 2027
This is the most relevant confirmed edition currently held for the permanent race family. Edition-specific facts should still be checked against the final organiser instructions.
Edition archive
This is the only edition currently stored for this race family. Earlier verified editions can be added without changing the permanent race URL.
Check the official race source (opens in a new tab)Non-standard backyard / last-person-standing event
Conventional metrics are not applicable.
The selected 2027 edition is a backyard format with no truthful fixed headline distance. Race For You records the verified objective, loop and event-window facts separately. Conventional Difficulty V2, Cutoff Pressure V2, cutoff pace and personal-finish calculations are unavailable because they would require fake inputs.
This format is intentionally not converted into a normal 50K, 100K or 100-mile comparison. Its event window is not relabelled as a conventional cutoff. Check the organiser before entering, travelling or using these details for training decisions. An older edition may appear in the archive, but its course facts are not silently carried into this one.
Verification
What we know today.
- Successful source check
- 4 Sept 2026
- Catalogue record updated
- 4 Sept 2026
- Source confidence
- high
- Official source
- Available
How the format works
A real objective, not a fake distance.
Complete one 6.7056 km yard within each hour; the full event continues until only one runner completes an additional yard.
Source transparency
Verify the final event detail.
The cited 2027 edition sources were reviewed on 4 September 2026 and support the recorded date, cutoff state, format and lifecycle. Unresolved facts remain marked unknown rather than being inferred.
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Use the catalogue's explicit format and evidence filters. Variable-total events are not converted into conventional distances.