Cancer Research UK’s Big Hike 2026
7 stunning UK locations

Cancer Research UK’s Big Hike 2026

If you love walking, taking in spectacular scenery and want to help fund life-saving science, Cancer Research UK's Big Hike adventure is for you!

HELP BEAT CANCER STEP BY STEP

Choose a half marathon or full marathon at one of seven stunning UK locations, or bring younger hikers from the age of 12 to take on a 10K route. Sign up with friends and family, or go solo and meet new people, to help beat cancer step by step.

Whether you're a first-time hiker or a seasoned trekker, you'll be supported every big step of the way with:

  • Friendly volunteers
  • Fully signposted routes
  • Expert training support
  • Detailed training plan
  • Support and snack points
  • Hot meal at the finish

Sign up today from £20 + £200 fundraising

Marathon walks

Hike a marathon distance to help beat cancer step by step. Age 16+

Escape to nature and take on a Big Hike marathon in the Trossachs. You’ll explore stunning lochs, waterfalls, and forests whilst supporting life-saving research.
  • Sat 16 May
  • £25
Callander, Stirling, UK

Big Hike | The Trossachs | Marathon

Escape to nature and take on a Big Hike marathon in the Trossachs. You’ll explore stunning lochs, waterfalls, and forests whilst supporting life-saving research.

  • 26.2 miles hiking + 2000 ft ascent
Escape to nature and experience the Brecon Beacons (Bannau Brycheiniog) National Park. You'll explore the Taff Trail, forests and beautiful canals, all whilst supporting life-saving research.
  • Sat 6 Jun
  • £25
Brecon, Powys, UK

Big Hike | Brecon Beacons (Bannau Brycheiniog) | Marathon

Escape to nature and experience the Brecon Beacons (Bannau Brycheiniog) National Park. You'll explore the Taff Trail, forests and beautiful canals, all whilst supporting life-saving research.

  • 26.2 miles hiking + 2500 ft ascent
Hike a marathon through magnificent woodlands, past pretty waterfalls and limestone cliffs, and take in beautiful views across the Peak District to help beat cancer step by step.
  • Sat 13 Jun
  • £25
Bakewell, Derbyshire, UK

Big Hike | Peak District | Marathon

Hike a marathon through magnificent woodlands, past pretty waterfalls and limestone cliffs, and take in beautiful views across the Peak District to help beat cancer step by step.

  • 26.2 miles hiking + 1800 ft ascent
Explore England's only natural UNESCO World Heritage Site over marathon distance, famous for the outstanding beauty of its cliffs, fossils and landforms, to help beat cancer step by step.
  • Sat 20 Jun
  • £25
Wareham, Dorset, UK

Big Hike | Jurassic Coast | Marathon

Explore England's only natural UNESCO World Heritage Site over marathon distance, famous for the outstanding beauty of its cliffs, fossils and landforms, to help beat cancer step by step.

  • 26.2 miles hiking + 2600 ft ascent
Escape to nature and experience the Lake District over a marathon hike. You’ll cover majestic mountains, stunning rivers and take in the beautiful scenery, all whilst supporting life-saving research.
  • Sat 27 Jun
  • £25
Ambleside, Lake District National Park, UK

Big Hike | Lake District | Marathon

Escape to nature and experience the Lake District over a marathon hike. You’ll cover majestic mountains, stunning rivers and take in the beautiful scenery, all whilst supporting life-saving research.

  • 26.2 miles hiking + 2400 ft ascent
Hike a marathon through the rolling hills and picturesque villages of the Cotswolds, and take in stunning views from Dover’s Hill to help beat cancer step by step.
  • Sat 11 Jul
  • £25
Moreton-in-Marsh, Gloucestershire, UK

Big Hike | Cotswolds | Marathon

Hike a marathon through the rolling hills and picturesque villages of the Cotswolds, and take in stunning views from Dover’s Hill to help beat cancer step by step.

  • 26.2 miles hiking + 1800 ft ascent
Escape to nature and experience the Dedham Vale National Landscape. You’ll explore rolling meadows, the River Stour and pass by Flatford Mill over 26 miles, all whilst supporting life-saving research.
  • Sat 18 Jul
  • £25
Manningtree, Essex, UK

Big Hike | Suffolk & Essex | Marathon

Escape to nature and experience the Dedham Vale National Landscape. You’ll explore rolling meadows, the River Stour and pass by Flatford Mill over 26 miles, all whilst supporting life-saving research.

  • 26.2 miles hiking + 1000 ft ascent

Half marathon walks

Hike a half marathon distance to help beat cancer step by step. Age 14+

Escape to nature and take on a half marathon Big Hike in the Trossachs. You’ll explore stunning lochs, waterfalls, and forests whilst supporting life-saving research.
  • Sat 16 May
  • £20
Callander, Stirling, UK

Big Hike | The Trossachs | Half Marathon

Escape to nature and take on a half marathon Big Hike in the Trossachs. You’ll explore stunning lochs, waterfalls, and forests whilst supporting life-saving research.

  • 13.1 miles hiking + 1100 ft ascent
Hike along the peaceful canal towpath across the River Usk into the majestic mountains and enjoy views of Bannau Brycheiniog (the Brecon Beacons) to help beat cancer step by step.
  • Sat 6 Jun
  • £20
Brecon, Powys, UK

Big Hike | Brecon Beacons (Bannau Brycheiniog) | Half Marathon

Hike along the peaceful canal towpath across the River Usk into the majestic mountains and enjoy views of Bannau Brycheiniog (the Brecon Beacons) to help beat cancer step by step.

  • 13.1 miles hiking + 1500 ft ascent
Hike a half marathon through magnificent woodlands, past pretty waterfalls and limestone cliffs, and take in beautiful views across the Peak District to help beat cancer step by step.
  • Sun 14 Jun
  • £20
Bakewell, Derbyshire, UK

Big Hike | Peak District | Half Marathon

Hike a half marathon through magnificent woodlands, past pretty waterfalls and limestone cliffs, and take in beautiful views across the Peak District to help beat cancer step by step.

  • 13.1 miles hiking + 1300 ft ascent
Explore England's only natural UNESCO World Heritage Site over a half marathon hike, famous for the outstanding beauty of its cliffs, fossils and landforms, to help beat cancer step by step.
  • Sat 20 Jun
  • £20
Wareham, Dorset, UK

Big Hike | Jurassic Coast | Half Marathon

Explore England's only natural UNESCO World Heritage Site over a half marathon hike, famous for the outstanding beauty of its cliffs, fossils and landforms, to help beat cancer step by step.

  • 13.1 miles hiking + 1500 ft ascent
Escape to nature and experience the Lake District over half marathon. You’ll explore majestic mountains, stunning rivers and take in the beautiful scenery, all whilst supporting life-saving research.
  • Sat 27 Jun
  • £20
Ambleside, Lake District National Park, UK

Big Hike | Lake District | Half Marathon

Escape to nature and experience the Lake District over half marathon. You’ll explore majestic mountains, stunning rivers and take in the beautiful scenery, all whilst supporting life-saving research.

  • 13.1 miles hiking + 1200 ft ascent
Hike a half marathon through the rolling hills and picturesque villages of the Cotswolds, and take in stunning views from Dover’s Hill to help beat cancer step by step.
  • Sat 11 Jul
  • £20
Moreton-in-Marsh, Gloucestershire, UK

Big Hike | Cotswolds | Half Marathon

Hike a half marathon through the rolling hills and picturesque villages of the Cotswolds, and take in stunning views from Dover’s Hill to help beat cancer step by step.

  • 13.1 miles hiking + 1300 ft ascent
Escape to nature and experience the Dedham Vale National Landscape. You’ll explore rolling meadows, the River Stour and pass by Flatford Mill over 13 miles, all whilst supporting life-saving research.
  • Sat 18 Jul
  • £20
Manningtree, Essex, UK

Big Hike | Suffolk & Essex | Half Marathon

Escape to nature and experience the Dedham Vale National Landscape. You’ll explore rolling meadows, the River Stour and pass by Flatford Mill over 13 miles, all whilst supporting life-saving research.

  • 13.1 miles hiking + 440 ft ascent

10K walks

Hike to help beat cancer step by step. Age 12+

Escape to nature and take on a 10K Big Hike in the Trossachs. You’ll explore stunning lochs, waterfalls, and forests whilst supporting life-saving research.
  • Sat 16 May
  • £20
Callander, Stirling, UK

Big Hike | The Trossachs | 10K

Escape to nature and take on a 10K Big Hike in the Trossachs. You’ll explore stunning lochs, waterfalls, and forests whilst supporting life-saving research.

  • 10 km hiking + 450 ft ascent
Escape to nature and experience the Brecon Beacons (Bannau Brycheiniog) National Park. You'll explore 10K of the Taff Trail, forests and beautiful canals, all whilst supporting life-saving research.
  • Sat 6 Jun
  • £20
Brecon, Powys, UK

Big Hike | Brecon Beacons (Bannau Brycheiniog) | 10K

Escape to nature and experience the Brecon Beacons (Bannau Brycheiniog) National Park. You'll explore 10K of the Taff Trail, forests and beautiful canals, all whilst supporting life-saving research.

  • 10 km hiking + 750 ft ascent
Hike 10K through magnificent woodlands, past pretty waterfalls and limestone cliffs, and take in beautiful views across the Peak District to help beat cancer step by step.
  • Sat 13 Jun
  • £20
Bakewell, Derbyshire, UK

Big Hike | Peak District | 10K

Hike 10K through magnificent woodlands, past pretty waterfalls and limestone cliffs, and take in beautiful views across the Peak District to help beat cancer step by step.

  • 10 km hiking + 200 ft ascent
Explore England's only natural UNESCO World Heritage Site over a 10K distance, famous for the outstanding beauty of its cliffs, fossils and landforms, to help beat cancer step by step.
  • Sat 20 Jun
  • £20
Wareham, Dorset, UK

Big Hike | Jurassic Coast | 10K

Explore England's only natural UNESCO World Heritage Site over a 10K distance, famous for the outstanding beauty of its cliffs, fossils and landforms, to help beat cancer step by step.

  • 10 km hiking + 350 ft ascent
Escape to nature and experience the Lake District over a 10K route. You’ll explore majestic mountains, stunning rivers and take in the beautiful scenery, all whilst supporting life-saving research.
  • Sat 27 Jun
  • £20
Ambleside, Lake District National Park, UK

Big Hike | Lake District | 10K

Escape to nature and experience the Lake District over a 10K route. You’ll explore majestic mountains, stunning rivers and take in the beautiful scenery, all whilst supporting life-saving research.

  • 10 km hiking + 500 ft ascent
Hike 10K through the rolling hills and picturesque villages of the Cotswolds, and take in stunning views from Dover’s Hill to help beat cancer step by step.
  • Sat 11 Jul
  • £20
Moreton-in-Marsh, Gloucestershire, UK

Big Hike | Cotswolds | 10K

Hike 10K through the rolling hills and picturesque villages of the Cotswolds, and take in stunning views from Dover’s Hill to help beat cancer step by step.

  • 10 km hiking + 200 ft ascent
Escape to nature and experience the Dedham Vale National Landscape. You’ll explore rolling meadows, the River Stour and pass by Flatford Mill over 10K, all whilst supporting life-saving research.
  • Sat 18 Jul
  • £20
Manningtree, Essex, UK

Big Hike | Suffolk & Essex | 10K

Escape to nature and experience the Dedham Vale National Landscape. You’ll explore rolling meadows, the River Stour and pass by Flatford Mill over 10K, all whilst supporting life-saving research.

  • 10 km hiking + 250 ft ascent
4 steps to wellbeing
Sleep well

A good night's sleep is an essential foundation for a healthy lifestyle, effective training and weight control.

Train slow

Low-intensity training is easier for you, reduces the risk of injury and helps builds an efficient aerobic system.

Eat natural

Cut out sugar & junk food, reduce carbs, eat natural foods and train your body to burn fat for fuel.

Get outdoors

Fresh air, natural light and reconnecting with nature all help to improve mental and physical wellbeing.