This event has taken place

Congratulations to everyone who took part. We're waiting on information about the next edition of this event.

Did you race? Let the community know how you got on and leave a review.

Add a review

UK's Hardest Hundred: Leith Hill - Brighton - Leith Hill

Dorking, Surrey

Wotton, Dorking, England, United Kingdom

Sat 11th June 2022

Starting at 08:00

1 race


Organiser's Description


What better way to spend one of the longest Saturday of the year than a 100 mile ride to Brighton & back? Starting at the botton of Leith Hill, the route takes in the Surrey Hills, quiet back lanes to the country, the mighty Ditchling Beacon before coming back over the South Downs & a couple of big climbs back in the Surrey Hills.


Key Climbs:
Sheephouse Lane – 3.2km, 3.8% average gradient
Ditchling Beacon – 1.5km, 9.4%
Barhatch Lane – 2.5km, 6.0%


  • Leith Hill - Brighton - Leith Hill




  • Leith Hill - Brighton - Leith Hill



What's Included

Get to the finish and collect your well earned UK's Hardest Hundred Medal

We have feed stops approx every 30 to 40kms with fruit, cakes, water, hydration tabs & sports bars / gels.

Focus just the stunning views & thrilling ride. The route is marked out all the way & you can check your time for the route at the end.

After an epic ride, grab a coffee, cake & more from the food trucks at the end. Free parking for the day & toilets & also included in your entry.

  • Classic Surrey Hills climbs: The start & finish of the route is packed with punchy climbs in the Surrey Hills including Leith Hill & Barhatch
  • Glorious Riding in the South Downs: After Brighton, we roll back to Surrey over the beautiful South Downs. Gentle, rolling terrain on quiet back roads.
  • Ride the classic Ditchling Beacon: Just before getting to the coast, you have to get over the main climb of the day – 1.5km at 9.5%

Course Details

Leith Hill: 172km, 2206m

The ride starts on quiet Surrey lanes with a climb up to Leith Hill acting as a rude warm up for the legs. After a quick descent we head south into Sussex for some relatively quick rolling terrain. At 50km we hit Ditchling Beacon – 1.5km at almost 10% before descending into Brighton.

From the coast we have a 10km false flat / gentle climb and a some glorious miles in the South Downs before heading back to the Surrey Hills where two last climbs await – Barhatch Lane and back onto Leith Hill for the finish.


  • Is the route marked?

    Yes, the route is fully marked. We also suggest bringing a bike GPS to follow as well, we will send you a GPX file with the route one week before the ride.

  • How do I find out my start time?

    Riders start in groups of maximum 6 at a time. We will send you an email after you have booked to choose your start time between 8am and 10am, if you are riding with a friend you can choose to start with them.

  • Where is the Start / Finish?

    The ride starts and finishes at Wotton. There is free parking onsite as well as toilets & refreshments.

  • What happens if I have a mechanical / accident?

    We have first aiders & mechanics at all the feed stops and ride captains along the route to support.

  • What shall I pack with me for the ride?

    You need to have a water bottle, basic kit to repair punctures, inner tubes & riding with a helmet is compulsory. Our feed stops have water, coke, cake, fruit & bars / gels.

  • Do I get a medal at the finish?

    Yes, when you finish the ride you will go through the finish line and get your hard earned UK’s Hardest Hundred medal.


  • 5
  • 4
  • 3
  • 2
  • 1


1 review


·5 months ago

Well organised, great food stops, nice route - would have avoided Brighton but could see the iconic value of it


Dorking, Surrey


For a limited time, subscribe to and get a free tailored training plan and access to your own coach.

A personalised programme worth £75. Unsubscribe instantly anytime.

By signing up you agree to our privacy policy and terms

Image: ©