How far can you run in 24 hours, 12 hours or even 6 hours?

As a solo runner or a pair or a small team of up to 4 runners?

A non stop timed run on our famous, flat, fast and scenic Backyard route in Thetford Forest.

Enter as a Solo Runner, Mixed or same Sex Pair or Same Sex or Mixed Sex team of up tp 4 runners.

Run as many or as few laps as you wish within your time limit of 6, 12 otr 24 hours. (only full laps count)

Trophies for the winner in each category and each race. 

Free Camping onsite Saturday Night

The event will be timed.

See race pack for full race info closer to the race

Event Info

Timings

Arrive from 8am on Race Day to set up

11:30am race brief

12:00 all races start

Deadlines

Please see our policies page for refund/transfer info including time frame deadlines. 

Entries close 2 weks before the race.

Parking

Please note we will not make parking a purchase item until entries close 2 weeks before the race, this is so we do not have loads of admin with people changing registrations and pulling out of the race prior to that. We will message everyone when payment for parking goes live. 

We have negotiated a discount parking fee for the race, £12 if booked in advance per car. We will ask for car bookings 2 weeks before the race and set up a merchandise for paying for each vehicle then. Any cars not paying in advance will be subhect to the sites standard parking charges. 

Food/Drink/Checkpoint

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. 

Facilities

We will have portable toilets available at the event and there will be additional toilets a short walk away on the High Lodge site.

Route

The route is identical to our Backyard route - a mixture of fire roads and forest trails.

Camping

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 or for team mates to wait for their laps. 

NO STOVES or FIRES on site at all. 

Rubbish/Waste

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

Power

There is no power on site, please bring powerbanks to run phones or charge devices. We will have charging facilities for runners with no crew to charge devices for them. 

Crews

No restrictions on crewsbut obviously 50 people in your entourage may be pushing it!

Records

2026 records - 6 hour

Solo Male 6 hours - Nathan Flear 46.2 Miles

Solo Female 6 Hour - Rhianna Hazell 21 miles

Mixed pair 6 Hour - No record yet

Male pair 6 hour - No record yet

Female Pair 6 hour - 33.6 Miles

2026 records - 12 hour

Solo Male 12 hours - Daniel Jeffrey 50.4 Miles

Solo Female 12 Hour - Lydia Chwarszczynski 50.4 Miles

Mixed pair 12 Hour - Simon and Millie 67.20 Miles

Male pair 12 hour -  No record yet

Female Pair 12 hour - No record yet

2026 records - 24 hour

Solo Male 24 hours - Lukasz Golder 113.4 Miles

Solo Female 24 Hour - Alex Marshall 126 Miles

Mixed pair 24 Hour - No record yet

Male pair 24 hour - No record yet

Female Pair 24 hour - Fit at 40 126 Miles

Volunteering

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

Entry Info

Entries are limited to 150 Solo, Pairs or Teams in total so one we have reached the max of 150 entries we will close entries. This is because the Forest is very busy in July and we want to grow the event steadily. 

Prices - You need to enter all the pair or team info on entry so have your whole teams info ready. 

6 hour event

Solo Category - £40 per person

Pair Category - £35 per person

Team Category (Up to 4) - £30 per person

12 hour event

Solo Category - £50 per person

Pair Category - £45 per person

Team Category (Up to 4) - £40 per person

24 Hour event

Solo Category - £70 per person

Pair Category - £65 per person

Team Category (Up to 4) - £60 per person

You must be 18 or more to enter this event, it's not suitable for wheelchairs/buggies but guided runners are welcome and free but not eligible for awards or medals unless they enter as a competitor.

Everyone gets a bespoke wooden medal but if you wish to add a T-Shirt or other items you will add these and pay for them when you enter.

Entries close 2 weeks before the race. You can edit your personal info such as email, medical info and contact numbers etc online up to this date.

You can pay via instalments if you wish to spread the cost as long as there is enough time before the race to set up instalments.

Solo entries can insure the event entry against illness and injury and other unforeseen circumstances, this will add 15% to the cost of the entry but it insures 100% of the entry cost. Claims are made from the link in the info sent to you at entry time. This is managed by a third party insurer and we do not deal with insured refunds.

It's not possible to Insure teams or pairs - These are still no refund places, You can swap Solo/Pair/Team members up to 4 weeks before the race. 

There are NO refunds available from Challenge Running under any circumstances if you do not choose to insure the race, below are your options.

Up to 4 weeks before you can transfer to another person, or to another race or to the same race the following year. This can be done on the website and is self managed. There will be a £20 admin fee to transfer your place plus any additional cost if the race you transfer to costs more.

You will need to set up an account on Eventrac to see the options to transfer or defer an entry.

See our refund and other policies before entering

Prizes

There will be a trophies for each solo, pair and team for each race winners. Including Male, Female and Mixed teams or pairs.

All participants will get a bespoke eco wooden medal at the end.

Race Specific Rules

Only one runner on course any anytime from each pair ot team

Runner hand over only in the camp/transition area

No supporters or crew on the course at any time

Only complete laps count within the time limit - so a lap finished in 24 hours and 1 minute would  not count.

All runners must wear their numbers visible on their front