Gary McKee, affectionately known as the 'Marathon Man', completed an extraordinary feat of running 100 marathons in 100 days, culminating at the London Marathon. The emotional finale saw him cross the finish line hand-in-hand with his son, Beau, who had previously been diagnosed with a heart condition. This moment fulfilled a dream Beau had since childhood to run the marathon with his father. Gary began his 100toLDN challenge on January 17, running around his hometown of Cleator Moor, Cumbria, and has raised nearly £76,000 for Hospice at Home West Cumbria, aiming for a total of £100,000. This effort would push his overall fundraising for the charity to £1 million. Gary, who works at the Sellafield nuclear plant, has previously completed numerous challenges, including running a marathon daily for a year and climbing Kilimanjaro. He emphasized the importance of planning and recovery in achieving his goals, while also highlighting the support from his Garmin watch, which helps him track his health metrics.