Thetford Back Yard Ultra

Thetford Back Yard Ultra

Saturday, 12 September 2026

Thetford Forest, Brandon, UK

Follow event Run/Walk Off Road/Trail

The Thetford Back Yard Ultra (TBYU) endurance race starts on 12 September 2026 at High Lodge in Thetford Forest, Brandon.

A Backyard Ultra is a form of ultramarathon race where competitors must consecutively run a 6.71km / 4.17 mile course in less than one hour, every hour. When each lap is completed, the remaining time within the hour is used to recover and replenish for the next hour's race. The race finishes when one person completes one more lap than anyone else.

The route terrain is rolling forest and heathland trail, it will be signed with arrows and barrier tape.

The 2026 event also includes a 6 or 12 Hour option.

This is the late summer version of the Suffolk Back Yard Ultra

Organiser

Challenge Running

Distances/Events

4.167 mile lap per hour - Last one standing format
6 Hours
12 Hours

Location map

The event is based at High Lodge, Thetford Forest.

Please note: the map location may be approximate. Refer to the event website for start lines and course maps.

Disclaimer

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This listing was last manually checked on 14 October 2025.

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