Of the 400 people who started the 18-mile trek along Hadrian's Wall last weekend, 100 of them dropped out before the halfway line. And only one of them was doing it in full fire kit, complete with breathing apparatus. Former North Yorkshire firefighter Adam Collins explains his reasons for wanting to push his body to the limit and raise money for two charities in the process.
Sasha Acheson has entered the record books by being the first person to cross from Britain's most easterly point to its most westerly. Here the Gloucestershire firefighter explains what kept her going, and how it feels to raise nearly £4,000 for the Charity.
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