For a spell, different companies ran the clockwise and anti-clockwise trains on the Circle Line, even maintaining separate ticket booths.

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Teacher Neil O'Maonaigh-Lennon, 30, from Harrow, north London, set off from Brighton on 10 September to run anti-clockwise around the coast of Britain.

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The anti-clockwise route took him past landmarks including the Needles and St Catherine's Point, battling winds of up to 20 knots and 10ft-high waves.

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