Suffolk Back Yard Ultra Festival
Knettishall, United Kingdom • 6 Jun 2026
Event overview
Suffolk Back Yard Ultra Festival is a backyard ultra held at High Lodge, Thetford Forest in Suffolk. The format requires runners to complete a fixed loop each hour; each loop must be finished within one hour and the last person able to complete a loop is the winner. Chip timing is used and the winner receives a prize of £1,000.
Distances and entry options
- 4.167 miles loop repeated each hour
- 6 hour timed entry option (no prizes, will be recorded as DNF at limit)
- 12 hour timed entry option (no prizes, will be recorded as DNF at limit)
Logistics and facilities
There is one aid station at the start/finish area with hot and cold water and basic snacks while on-site vendors operate. When vendors depart, a cooking station and periodic hot food service will be provided. Onsite facilities include a coffee vendor, a food van, and portable toilets and urinals. Camping for runners and crews is free across two camping areas; tent sizes should be kept small and open flames or stoves are not allowed near tents. There is no general site power and signal is patchy; a limited charging station and public Wi‑Fi are available.
Rules, parking and other notes
The official backyard rules require loops of the specified length and hourly starts; no personal aid is allowed during a loop and eliminated runners may not remain on course. Parking is available for a fee of £10 for the event period. Entry closes 14 days before race day. Discounts are available for participants who meet specified backyard performance criteria. Visit the organization's website for the most recent information.