Entries for Tough 10 Box Hill 2019 are now closed

​Tough 10 Cannock Chase is now closed for entries for 2018. If you would like to register your interest for Tough 10 2019 or similar events please click below.


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Set in the picturesque surroundings of the Surrey Hills this 10k course will be a serious hill-climb challenge to the summits of Box Hill.

With steep gradients and a mixture of grass, woodland tracks and paved paths the route will mount challenging inclines but with the ultimate reward of unrivalled panoramic views across the surrounding countryside and towards the south coast.

Well known for one of the most challenging hill climbs on the 2012 Olympic cycling route, this Toughest course will put participants to the ultimate test.

Here are some of the key statistics of the terrain:


40% marked paths
30% grass
30% woodland trails

Please note this is an initial course description. The route may change before the event.

You must be aged 16 or over on the day of the event to take part. Persons aged 16 or 17 must take part with either a parent, guardian or, if having obtained their parent or legal guardian’s permission, another registered participant aged 18 or over.

Please see the Tough 10 Event Rules for more details.

  • A fully signed and marshalled route
  • Chip timing
  • Free parking
  • First aid response across the whole course
  • Training guidance and pre-event support
  • Fundraising support
  • Free bag-drop
  • Water station on route
  • Free bottle of water post event
  • Medal for every participant

Will there be a bag drop?

Yes. There will be a free of charge bag drop in the event area, however we cannot take responsibility for any belongings – please do not bring valuables with you.

Will there be water available?

Yes. There will be one water station on the course and a bottle of water for each participant at the finish line. 

What is available for spectators?

We welcome spectators to visit Box Hill and cheer our participants on. The iconic Salomon’s Memorial Viewpoint is a great location to give our runners an encouraging cheer!

There will also be refreshment stands where spectators can purchase food and drink.

Are there toilets?

Yes, there will be toilets at the venue.

Are there shower facilities?

There are no shower facilities at the event so we suggest bringing a change of clothes with you. 

Is the spectator area wheelchair accessible/suitable for pushchairs?

Due to the nature and terrain of the course it is not suitable for wheelchair access or pushchairs. Please note the main event venue is all on grass which may be muddy in November.

Are dogs allowed?

Dogs are welcome on the surrey hills, however please be responsible, keeping your dog under close control at all times and ensure you pick up after it. 

The event area and start line are located at:

Sports Ground - Aviva Plc (formerly Friends Life)
Pixham Lane

Parking at this event is limited therefore we encourage the use of public transport where possible.

By Train

Dorking main line is a 12 minute walk.

On exiting the station continue straight ahead on to Lincoln Road. Turn right at the end onto London Road (A24) and continue for 500m to the first roundabout. Turn right onto Pixham Lane where you will find our main event area on the second entrance to your left.

Dorking Deepdene station is a 10 minute walk.

Exit station down the stair and turn right onto London road (A24) and continue for  500m to the first roundabout. Turn right onto Pixham Lane where you will find our main event area on the second entrance to your left.

By Bus

Dorking is well-serviced by buses, including:

  • Bus routes 21 and 516 stop in Pixham Lane - Chester Close (a 5 minute walk to the event site)
  • Bus routes 465 and 533 stop on London road adjacent to Pixham Lane
  • Bus routes 93, 32, and 22 stop and Dorking Main Station (a 12 minute walk)

By Car

If travelling by car please car share where possible.

Free Event Car Park

Free of charge parking is available for Tough 10 participants and spectators at:

 Aviva Plc Offices
Pixham Lane

This is a 1 minute walk to venue. Please follow steward directions on the day.

Alternative local parking options:

1) Ryka’s Café Car park (18 minute walk) - Old London Road, Box Hill, Mickleham, Dorking, RH5 6BY

On exiting the car park, walk South along London Road (A24) and bear right at junction to stay on A24. Take first exit at the roundabout, continuing on A24 till you come to your second roundabout. Here, turn left up Pixham Lane where you will find our main event site at the second entrance to your left.

2) Town centre pay and display car parks are also available:

  • Pippbrook, RH4 1SJ (15 minute walk)
  • Reigate Car Park, RH4 1SD (15 minute walk)

The race will start at 10amPlease arrive 30 minutes before the start. You will need your running number that will be sent to you in the post prior to your event.

Before the race starts there will be a short warm up and safety briefing.

The route at Box Hill is a mixture of paths, grass and muddy slopes. Strong, supportive running shoes are essential. If the weather has been wet in the run up to the event we would recommend you wear trail shoes.

Please make sure you bring spare layers for the cold autumn weather and dress appropriately for the conditions.

The race will be chip timed using ResultsBase.

The event will be timed via the chip on the back of your running number. You don't need to do anything to activate this, it will automatically time you when you cross the start line

Event Day Volunteer

Whatever time you can join us at the event, there are so many ways you can help out on event day, whether you’re setting up marquees and putting out flags and banners or getting water to the start line and handing out medals at the finish. We’re on the lookout for volunteers with a proactive attitude and loads of enthusiasm to join the gang.  

Course Marshal Volunteer

Inspire, cheer and motivate participants by covering one of the marshal points on the course. This crucial role ensures the event runs smoothly and participants feel motivated. This role is perfect for team players with great communication skills who can use their initiative when dealing with anything that may occur on the course.

Sign up to volunteer

Raise money for life-saving research

Thanks to supporters like you, we have saved millions of lives through research into preventing, diagnosing and treating cancer. Every second counts, so it's critical that we raise as much as possible to continue this progress.

Together, we will beat cancer. If we get there a year quicker, we'll save 159,000 lives. If we get there a day quicker we'll save 430. If we get there just one hour quicker we'll save 18 lives.

Return your sponsorship

If you have already set up an online fundraising page, we will receive the money you raise automatically. If you have raised money using the sponsorship form in your pack, you can pay in the money you raised by phone using your debit/credit card – call us on 0300 123 1520​ or send us a cheque made payable to “Cancer Research UK” to:

Tough 10
Cancer Research UK
PO Box 1561

If you are a UK taxpayer, the value of your donation can increase by at least 25% under the Gift Aid scheme – at no additional cost to you!

Fancy a different challenge?

We have a variety of Tough 10 events available, including Tough, Tougher and Toughest challenges in spectacular locations across the country.