Princess of Wales Completes Three Peaks Challenge Solo, Raises Funds for Cancer Charity

23 Miles, Three Peaks, 24 Hours

Catherine, Princess of Wales, completed the National Three Peaks Challenge this weekend, climbing the highest mountains in Scotland, England, and Wales within a 24-hour window. She summited Ben Nevis in Scotland on Saturday evening, June 27, followed by Scafell Pike in England and Snowdon (also known as Yr Wyddfa) in Wales, finishing Sunday, June 28.

The total physical toll: 23 miles of walking, 3,064 meters of ascent (roughly 10,052 feet), and 462 miles of driving between locations between peaks, according to Hello Magazine. She undertook the climbs solo, with Mountain Rescue teams providing support along each route.

Waiting for her at the finish in Wales were Prince William, their three children — George, Charlotte, and Louis — her parents Carole and Michael Middleton, and her brother James Middleton, according to The Guardian and BBC News.

Why She Did It

Catherine disclosed her cancer diagnosis in March 2024. She underwent chemotherapy at the Royal Marsden hospital in Chelsea. In January 2025, she announced she was in remission. The specific type of cancer has not been publicly disclosed.

In a statement shared on social media, the princess explained her motivation plainly: "I have taken on the National Three Peaks Challenge, not simply as a physical endeavour but as a chance to explore life beyond diagnosis and to give something back."

She described the broader toll cancer takes beyond physical illness: "Cancer doesn't just affect the body. It changes how you think and feel and profoundly affects every aspect of life. I know this personally, and that the journey through and beyond treatment requires more than medicine alone."

She specifically called for expanded access to "holistic healthcare" — therapies that complement clinical treatment and support patients' mental, emotional, and psychological wellbeing during and after treatment.

The Cause

All proceeds benefit the Royal Marsden Cancer Charity, the fundraising arm of the hospital where Catherine received her care. The charity launched a dedicated donation page at royalmarsden.org/princessofwales, framed around expanding access to holistic care for cancer patients nationwide.

Dame Cally Palmer, chief executive of the Royal Marsden NHS Foundation Trust, said the organization was "honoured" to have the Prince and Princess of Wales as joint patrons, according to BBC News. She described Catherine's commitment as stemming from "a deep empathy for those facing similar challenges."

Kensington Palace told The Guardian it believes Catherine is the first member of the royal family to complete the Three Peaks Challenge.

The Case for Skepticism, Fairly Stated

Some observers question whether celebrity-driven charity events actually direct meaningful resources toward systemic healthcare gaps, or whether they primarily generate favorable press coverage for the participant. Royal fundraisers can overshadow the structural funding questions: how much the NHS allocates to integrative oncology services, and whether holistic care remains accessible only to patients at well-resourced private-adjacent hospitals like the Royal Marsden, rather than across the broader public health system.

Catherine's statement addresses this directly, calling for expanded access "nationwide" so that "more people, nationwide" can access personalized support. Whether the charity fundraising from this event translates into that kind of systemic reach is a question the Royal Marsden Cancer Charity has not yet publicly quantified in terms of projected patient reach or funding targets.

What Comes Next

The Royal Marsden Cancer Charity's fundraising page tied to the challenge was active as of Sunday, June 28. The charity has not released a fundraising total as of this writing. How much the campaign ultimately generates and how specifically the funds will expand holistic care services beyond the Royal Marsden's existing patient base will depend on ongoing reporting.