Meet the man running to every station on the London Underground - covering nearly 300 miles.
Harry Clough, who lives in Hammersmith, West London, is running the routes of every Tube line in a mammoth challenge for Movember.
He started with the Metropolitan Line (41.1 miles) at the end of October - and aims to finish with the Central Line (46 miles) at the beginning of December.
Harry, 26, is tackling the longer Tube routes on the weekends and the shorter ones before work - meaning he often has to leave home at 4am.
He's added a bit of fun to the runs by dressing up - wearing a Father Christmas outfit for the Piccadilly Line and a Mario costume for the Hammersmith and City Line.
Harry is tackling the challenge to raise money for the charity Movember, in the hopes of encouraging men to talk about their mental health.
He explained that he has struggled with mental health for most of his life and has always wanted to help others - especially after a friend on his rugby team sadly committed suicide during the pandemic.
Harry said: "I started running properly in 2023 when I set myself a challenge of running 12 half marathons in 12 months.
"Then this year, I set myself another challenge of running 30 half marathons, four marathons, and two ultra-marathons - which I finished a couple of months ago.
"So I wanted a new challenge. I was speaking to my housemate and we remembered that a friend had previously run the Victoria Line.
"So he just said to me, 'Why don't you run all of them?' And that was that."
Harry, who works for teen health app Luna, said he's enjoying the experience so far - even if it's a lot of hard work.
He said: "It's been going well. It's intense though - mainly because I live so far from some of the Tube endpoints so just getting there can take an hour and a half.
"When I started and I did the Metropolitan Line, which is really long, I did think, 'What have I got myself into?'
"But now I've gotten into the swing of things.
"It's been fun, especially when I've dressed up.
"I did get some weird looks in Heathrow Terminal 5 when I was dressed as Father Christmas, though.
"When I was dressed as Mario, I mainly just got comments from kids and builders."
Discussing why he chose to support Movember, Harry said: "I've struggled with mental health my whole life so it's always been a personal thing for me that I want to help other people.
"Sadly, a friend in my rugby club took his life during Covid, so we've all been doing a push to support mental health.
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"I think everyone has a connection to mental health and it's such an impactful charity - so I wanted to support them."
So far, Harry has completed the Metropolitan, Northern, Hammersmith and City, Victoria, Circle, Piccadilly, and Bakerloo lines.
He has already raised nearly £2,500.
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