Former Made in Chelsea star Spencer Matthews has found his next TV project.
According to Deadline, Matthews is set to front a new documentary series titled Seven in Seven (working title), which will follow the star as he attempts to break the Guinness World Record for completing Ironman triathlons in all seven continents.
He'll have to complete a 3.8km swim, 180km bike ride and a full 42.2km marathon in each continent, finishing up in Antarctica. His journey will be documented by the UK production company Whisper.
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The current record holder, Connor Emeny, completed the challenge in just under four years – but Matthews is looking to complete it in a matter of weeks.
"This is without doubt ambitious – but what I have discovered is a love of pushing myself, and of achieving what would have previously been unachievable to me," he said in a statement.
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Whisper executive producer Matt Wilkinson added: "This new challenge takes that endurance to another level and the seemingly impossible.
"Everyone was mesmerised by The Great Desert Challenge – and in doing this, Spencer will have everyone transfixed once again."
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Matthews completed The Great Desert Challenge in August, earning him the Guinness World Record for becoming the first and only person to successfully run 30 marathons in 30 days on sand.
"I did this to raise awareness and funds for the incredible work that Global's Make Some Noise do to support small charities across the UK, making sure no one has to go through life’s toughest challenges alone," he said on social media at the time.
In September, Matthews revealed that he had managed to raise over £600,000 for the charity.
Seven in Seven doesn't have a release date yet.
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Social Executive, Entertainment Portfolio After completing her joint honours degree in Journalism and English Literature at Cardiff University, Iona joined Digital Spy as a Content Production Intern in 2022, where she wrote across both news and features, specialising in TV and movies. Following her internship, Iona continued contributing to the site as a freelance reporter, becoming social executive for the Hearst UK entertainment portfolio in summer 2025. Iona now leads the DS social channels, covering red carpets with stars such as Paul Mescal, Austin Butler, and more.
