Princess Catherine completes a Three Peaks Challenge over the weekend to raise awareness for cancer, according to reports. She starts the endurance event on Saturday night and finishes about 24 hours later, completing the planned sequence within the challenge’s time frame. Sources describe the effort as gruelling and note that she is supported throughout the activity by members of her family. Reporting states her husband and their three children are present to cheer her on during the event. The coverage frames the challenge as part of broader work to highlight cancer awareness, with the event used to draw attention to the cause. The accounts do not detail specific medical results or affiliations beyond the stated purpose of raising awareness. No additional context is provided in the available excerpts about event organizers, exact route, elevation totals, or timing breakdowns beyond the overall completion in roughly 24 hours. The reports consistently describe the same timeframe and that her family joins her during the effort.