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Challenge Running Ltd

Suffolk Back Yard Ultra Festival

Next Race: 05/06/2027

High Lodge Thetford Forest

Challenge Running Ltd

Suffolk Back Yard Ultra Festival

Next Race: 05/06/2027

High Lodge Thetford Forest

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  • Participants
  • Course
  • Merchandise
  • Reviews
  • FAQs
  • Event Details
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12:00 Noon Start • High Lodge, Thetford Forest, Suffolk

Thetford 24 Hour

6, 12, or 24 Hour Timed Run

How far can you run in 24 hours, 12 hours or even 6 hours? A non-stop timed run on our famous, flat, fast and scenic Backyard route. Run as a solo runner, a pair, or a small team of up to 4 runners.

4.167 mi
Laps
Trophies
For Winners
Medal
For Finishers
Free
Camping

Run as many or as few laps as you wish within your time limit. Only full laps completed within your limit count.

Entry Options & Pricing

24-HOUR EVENT

The Ultimate Challenge

Solo: £70 pp
Pair: £65 pp
Team (Up to 4): £60 pp

12-HOUR EVENT

Half Day Run

Solo: £50 pp
Pair: £45 pp
Team (Up to 4): £40 pp

6-HOUR EVENT

Short Format

Solo: £40 pp
Pair: £35 pp
Team (Up to 4): £30 pp

Trophies are awarded for the winner of each solo, pair, and team category for each race duration (including male, female, and mixed categories). All participants get a bespoke eco wooden medal at the end.

Note: Entries are limited to 150 Solo, Pairs, or Teams in total. You must be 18 or older to enter. Guided runners are free but ineligible for awards unless officially entered.

Important Deadlines & Insurance

2 Weeks
Entries Close
4 Weeks
Swap Members
15%
Insurance Add-on
£20
Transfer Fee

Solo entries can optionally insure their entry against illness/injury for an additional 15%. Teams and pairs cannot be insured, but members can be swapped up to 4 weeks before the race. Without insurance, there are NO refunds, though you can transfer your place up to 4 weeks before (subject to a £20 admin fee).

Race Day Schedule

From 8:00 AM
Arrival & Set-Up
Please arrive from 8am on race day to set up your camp or gazebo.
11:30 AM
Race Briefing
Essential information before the race begins.
12:00 Noon
Race Start
All races (6, 12, and 24 hours) start at exactly the same time.

Travel, Camping & Logistics

Parking

Discounted parking fee of £12 if booked in advance per car. Parking goes on sale once entries close, 2 weeks before the race. We will message everyone when payment goes live.

Any cars not paying in advance will be subject to the site's standard parking charges.

Aid Station & Food

We will supply a basic food tent with access to hot and cold drinks and basic food and snacks throughout the race.

There are vendors onsite in High Lodge a short walk away for those who wish to buy extra food during opening hours.

Camping

Free camping onsite Saturday night. Each runner may bring a small tent, or pairs/teams may bring a gazebo to set up in the camping area for rest between laps.

Strict: NO STOVES or FIRES on site at all.

Facilities & Power

Portable toilets available at the event, plus additional toilets a short walk away on the High Lodge site.

There is no power on site, please bring power banks. We will have charging facilities specifically for runners with no crew.

The Route

The route is identical to our Backyard route - a mixture of fire roads and forest trails. It is famous for being flat, fast, and scenic.

Crews & Waste

No restrictions on crews, but obviously 50 people in your entourage may be pushing it!

There are no facilities on the field for rubbish. Please take all your own rubbish home and dispose of responsibly.

Course Records (2026)

24-Hour Solo Records
Male: 113.4 Miles
Lukasz Golder
Female: 126 Miles
Alex Marshall
12-Hour Solo Records
Male: 50.4 Miles
Daniel Jeffrey
Female: 50.4 Miles
Lydia Chwarszczynski
6-Hour Solo Records
Male: 46.2 Miles
Nathan Flear
Female: 21 Miles
Rhianna Hazell

Race Specific Rules

  1. Only complete laps count within the time limit. For example, a lap finished in 24 hours and 1 minute would not count.
  2. For pairs or teams: Only one runner on course at any given time.
  3. Runner handover may only take place in the camp/transition area.
  4. No supporters or crew are allowed on the course at any time.
  5. All runners must wear their numbers visibly on their front.

Volunteering

Please go to our Volunteering Page for more info on how to volunteer and what roles are available.

Location

High Lodge Thetford Forest
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Information
  • Total No. Entries : 152
Details

Overall Rating

4.7/5

Based on 36 reviews - View All

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