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Suffolk Backyard Ultra Festival

Saturday, 5 June 2027 · High Lodge, Thetford Forest, Brandon · organised by Challenge Running
challenge-running.com

How you get in

Entry advice. The format: one 4.167-mile loop starting on the hour, every hour, from noon on the Saturday. Finish inside the hour and wait for the next bell. Miss the start or fail to finish in the hour and you are out. The last runner to complete a lap nobody else completes wins; everyone else is officially a DNF. No overall cut-off and no knowable end date: the 2026 edition ran four days. Feeds At-Large places to Big's Backyard Ultra world championship. 12-hour and 6-hour options exist but have no winner and no prizes. Price is not published on any fetchable page: it sits behind the entry system's JavaScript. Check by hand.
Mechanism
First come first served
Typical sell-out
Rarely sells out
Price
Not yet known
Qualifier
None required
Field size
150 to 399
Transfer
Not allowed

Races at this event

RaceDistanceAscentCut-offTerrainGets you
Suffolk Backyard Ultra4.167 mile laps, last runner standing
Unbounded · approximate
28m
per lap
-Trail, Forest-

Entry cycle 2027

Entry opensNot yet known
Entry deadline22 May 2027
PriceNot yet known
Race date5 June 2027
Entry details as published by the organiser, checked 15 August 2026.

Previous years

YearRaceEntry openedSold out inPlacesFinish rate
2026Suffolk Backyard Ultra-Did not sell out--
Tell us how fast this one went

Nobody else keeps this. It is why the sell-out log starts now rather than when it feels useful.

The details

Start
High Lodge, Thetford Forest, Brandon
Region
East Anglia
Country
England
Nearest station
Brandon
Format
Backyard
First held
2018
Organiser
Challenge Running
Entry details as published by the organiser, checked 15 August 2026.
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