Half Marathon
Sat 29 Jun 2024 Polegate, East Sussex, UK Entries closed 30% off

Big Hike | South Coast | Half Marathon

Roam through glorious grasslands and villages, along riverbanks and coastal paths, where you'll be rewarded with breathtaking views from Beachy Head to help beat cancer step by step.

  • Sat 29 Jun 2024
  • Entries closed
  • 30% off
Alfriston Camping Park, Polegate

Half Marathon

Get 30% off



Age 14 & over

  • 13.1 miles hiking + 1297 ft ascent


If you love walking or hiking and taking in spectacular scenery, and want to help fund life-saving science, this Big Hike adventure is for you! 

Whether you're an experienced hiker or just starting out, you'll be supported every big step of the way.

Choose your distance and explore the wonderful landscapes of the South Coast along the stunning coastline passing the Seven Sisters cliffs, Cuckmere River and the Vanguard Way.

Sign up with friends and family or go solo and meet new people to help beat cancer step by step.


  • Join Cancer Research UK's Big Hike
  • Beat cancer step by step
  • Choose your distance
  • Walk with friends, family or solo
  • Take in spectacular scenery
  • Be supported every step of the way
  • Support life-saving science

This event is part of Big Hike | South Coast.

Event video

  • All fitness levels
  • Event village
  • Families
  • Fancy dress
  • Newcomers
  • Spectators
  • Teams

Start time

You'll have a choice of start times when you sign up. if you're a slower walker, you are encouraged to opt for the earliest arrival time so you can fully enjoy the day.

Kit list

  • Personal clothing and footwear
  • Waterproof rucksack
  • Trekking poles (optional)
  • 2 litres of water
  • Sunscreen
  • Sunhat
  • Sunglasses
  • Mobile phone
  • what3words app
  • Additional snacks


Wheelchair users

Due to the rural nature of this event unfortunately the course is not wheelchair accessible. The start/finish venue however is wheelchair-friendly.


Sorry, dogs are not allowed to take part in Cancer Research UK’s Big Hike, with the exception of service dogs.


This event is a non-competitive walk so running is not allowed.

  • Free parking
  • Toilets

Event HQ

Alfriston Camping Park
East Sussex
BN26 5TN

Free parking

There will be free car parking available for all participants for the duration of your hike. Simply look for the Cancer Research UK flags at the entrance to the start venues where charity representatives will direct you. To minimise congestion please car share wherever practical to do so.


There will be toilet facilities at the start/finish and at each pit stop along the route.


You are advised to use the following 'What 3 Words' link to find the precise location:


  • Check points
  • Cut off time
  • First aid
  • Food stations
  • Marshals
  • Out and back
  • Sweeper
  • Toilets
  • Undulating
  • Water stations
  • Wave start
  • Way markers

The half marathon is a linear route where you'll hike along the South Downs Way, then track along the stunning South Coast passing the Birling Gap and Seven Sisters cliffs, before exploring the Cuckmere River and the Vanguard way back to the event hub.

The route has one support point where you'll find refreshments, snacks and toilets.

All routes are fully signposted so all you need to do is lace up your hiking boots, take in the extraordinary views and fundraise for life-saving research.

Food and refreshments

This is a fully supported event and therefore there will be a wide range of services available to participants:

  • Water refill points and snacks will be available when you arrive at the start area. 
  • Water refill points, hot drinks and snacks will be provided at the various support points on the route.
  • Half marathon participants will receive a hot meal at the finish area.
  • Dietary requirements will be catered for on the day.  


3.5 to 6 hours.

Cut off time

Due to venue restrictions, the finish area will need to be closed from 7.30pm.

There will be sweep marshals behind the slowest walkers to ensure that everyone gets back to the finish safely. Please note that in some situations such as bad light or inclement weather, the team has the right to enforce cut-off times for health and safety. Where participants miss a support point cut-off time, transport will be provided back to the start/finish venue.   

  • Bring your own cup
  • Recycling

Environmentally mindful

  • Envelope, back sign, letter and hiking number can all be recycled (remove chip first)
  • T-shirts are made from recycled plastic (rPET materials)
  • Recyclable cutlery will be provided
  • Route maps are digital

  • Chip timing
  • Map
  • Medal
  • Post-race meal
  • Technical t-shirt
  • Training plan

Included before

  • Cancer Research UK t-shirt
  • Online giving page
  • Fundraising tips
  • Training plan
  • Kit checklist
  • Hiker number
  • Back sign
  • Safety pins

Included on event day

  • Fully signposted route
  • Marshals to guide you
  • Medical assistance
  • Cancer Research UK medal
  • Recorded finish time
  • Meals, snacks and drinks
  • Hot meal at the finish

Training plan

To help with your preparation beforehand, you can download the Big Hike training guide from the Information Hub which includes tips on nutrition, training plans for each distance and a kit checklist.

Example training plan
Whichever distance you choose, you'll receive an inspiring training plan to make sure you're physically and mentally ready for your Big Hike!

  • Fundraising incentives
  • Fundraising materials
  • Fundraising required
  • Fundraising support
  • Submit fundraising up to 1 month after event

Cancer Research UK

The difference your money makes

Your entry fee helps cover the cost of putting the event on. But it doesn't stop there. The money you raise will help change the lives of people affected by cancer.

When you reach your Big Hike fundraising target, Cancer Research UK funds long-term research. And when this happens, the biggest breakthroughs are made.

You'll be supporting the vital work of over 4,000 scientists, doctors and nurses who are taking on more than 200 types of cancer.

So walk together, fundraise and play your part to support life-saving science. Because your big steps help Cancer Research UK make big breakthroughs.

  • Age 14 & over
  • Enter online
  • Fundraising required
  • Race pack by post

Other races at event

  • Sat 29 Jun
  • #2 of 2
Alfriston Camping Park, Polegate




Age 16 & over

  • 25.7 miles hiking + 2469 ft ascent