Is walking on a run cheating?

Sir, – In "Is walking on a run cheating?" (Mary Jennings, Health + Family, Online, April 19th) discusses whether walking during a marathon is cheating. It also says it was pioneered in 1970 by a coach.

In my youth (1950) it was known as “scout pace”. Twenty steps running followed by 20 steps walking. I used it a great deal when having to make up time walking to school. – Yours, etc,

STEPHEN LOWE,

Adversane,

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West Sussex,

England.