It took around 30 hours for emergency teams to be able to reach Philip Goodeve-Docker's team and airlift them to safety but Mr Goodeve-Docker died before their arrival.
The London events manager was on the unsupported crossing with experienced expedition leader Roan Hackney and Andy Norman, a former IT professional, who both remain in a "critical condition" in hospital.
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A police officer who spent six days crawling the London Marathon in a gorilla costume has finally completed the 26-mile route.
A man has been arrested on suspicion of murdering a 48-year-old man who was stabbed to death on a bus in central London.
Transport for London has made the badges and accompanying cards permanently available after a successful trial in autumn last year.