Take on a challenge to support people living with cancer
Choose to walk either a full marathon or half marathon across some of the UK's most breathtaking landscapes! There's everything from heart beating hills to gentle river trails, and sweeping coastlines to majestic mountains. Whether you're new to long-distance hiking or a regular rambler, there's a perfect Mighty Hike for you.
As a Mighty Hiker you'll receive:
- Free Macmillan technical hiking top
- Clearly marked route
- Expert mountain leaders
- Free professional photos
- Fresh buffet lunch and hot meal
- Regular pit stops with refreshments
- A Mighty medal and glass of bubbly
Sign up today from £20 + £250 fundraising
Half marathon walks
With half marathon distances from 12.4 to 14.6 miles and either mostly flat or hilly routes, there's a Mighty Hike for every walker.
- Sun 10 May 2026
- £20
Mighty Hikes | Norfolk Coast | Half Marathon
Starting in Cromer, this scenic coastal hike follows beautiful beaches and picturesque villages along the coast, combining breathtaking views with the chance to support people living with cancer.
- 14.3 miles hiking + 185.77 m ascent
- Sat 6 Jun 2026
- £20
Mighty Hikes | Lake District | Half Marathon
Follow the spectacular Ullswater Way through the heart of the Lake District, hiking lakeside trails and climbing Gowbarrow Fell to enjoy breathtaking views, all to support people living with cancer.
- 12.4 miles hiking + 562.36 m ascent
- Sat 13 Jun 2026
- £20
Mighty Hikes | South Coast | Half Marathon
Starting in Brighton, hike a half marathon on the South Downs Way along dramatic cliffs and rolling countryside, passing the Seven Sisters and Beachy Head to support people living with cancer.
- 13 miles hiking + 481.14 m ascent
- Sat 13 Jun 2026
- £20
Mighty Hikes | Thames Path | Half Marathon
Hike a half marathon from Windsor along the peaceful Thames Path, following England’s most iconic river through beautiful countryside to support Macmillan’s vital work for people living with cancer.
- 12.8 miles hiking + 141.87 m ascent
- Sat 27 Jun 2026
- £20
Mighty Hikes | Gower Peninsula | Half Marathon
Explore Gower Peninsula’s rugged coastline, following cliffside paths with breathtaking views of Rhossili Bay and Worm’s Head — a spectacular Welsh hike supporting people living with cancer.
- 14.6 miles hiking + 486.3 m ascent
- Sat 4 Jul 2026
- £20
Mighty Hikes | Jurassic Coast | Half Marathon
Hike a half marathon along the Jurassic Coast’s dramatic trails, passing Corfe Castle and Old Harry Rocks, and enjoy Dorset’s breathtaking coastal views while supporting people living with cancer.
- 13.5 miles hiking + 484.94 m ascent
- Sat 18 Jul 2026
- £20
Mighty Hikes | Peak District | Half Marathon
Starting in Bakewell, trek a half marathon through rolling hills and rugged moorland in the Peak District, exploring England’s oldest National Park while supporting people living with cancer.
- 14.2 miles hiking + 410.88 m ascent
Marathon walks
With marathon distances from 25.6 to 26.2 miles and either mostly flat or hilly routes, these Mighty Hikes will be a challenge for any walker.
- Sat 9 May 2026
- £25
Mighty Hikes | Norfolk Coast | Marathon
Starting in Cromer, this scenic marathon hike follows beautiful beaches and picturesque villages along the coast, combining breathtaking views with the chance to support people living with cancer.
- 26.1 miles hiking + 300.33 m ascent
- Sat 6 Jun 2026
- £25
Mighty Hikes | Lake District | Marathon
Follow the spectacular Ullswater Way through the heart of the Lake District, hiking lakeside trails and climbing Gowbarrow Fell to enjoy breathtaking views, all to support people living with cancer.
- 25.6 miles hiking + 1132.3 m ascent
- Sat 13 Jun 2026
- £25
Mighty Hikes | South Coast | Marathon
Starting in Brighton, hike a marathon on the South Downs Way along dramatic cliffs and rolling countryside, passing the Seven Sisters and Beachy Head to support people living with cancer.
- 26.2 miles hiking + 964.73 m ascent
- Sat 13 Jun 2026
- £25
Mighty Hikes | Thames Path | Marathon
Hike a marathon from Windsor along the peaceful Thames Path, following England’s most iconic river through beautiful countryside to support Macmillan’s vital work for people living with cancer.
- 26.1 miles hiking + 236.16 m ascent
- Sat 27 Jun 2026
- £25
Mighty Hikes | Gower Peninsula | Marathon
Explore Gower Peninsula’s rugged coastline, following cliffside paths with breathtaking views of Rhossili Bay and Worm’s Head — a spectacular marathon Welsh hike supporting people living with cancer.
- 26 miles hiking + 826.5 m ascent
- Sat 4 Jul 2026
- £25
Mighty Hikes | Jurassic Coast | Marathon
Hike a marathon along the Jurassic Coast’s dramatic trails, passing Corfe Castle and Old Harry Rocks, and enjoy Dorset’s breathtaking coastal views while supporting people living with cancer.
- 26 miles hiking + 728.47 m ascent
- Sat 18 Jul 2026
- £25
Mighty Hikes | Peak District | Marathon
Starting in Bakewell, trek a marathon through rolling hills and rugged moorland in the Peak District, exploring England’s oldest National Park while supporting people living with cancer.
- 26.2 miles hiking + 753.74 m ascent