In fact, we don't advise that for most runners.

事实上，我们也不建议大部分跑步者这样做。

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The ankle isn't usually a problem for most runners.

通常，脚踝不是大多数跑步者的问题。

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For most runners, stride turnover stays the same at various paces and speed changes are accomplished by altering their stride length.

对于大多数跑步者，在不同的配速下，他们的步频保持不变，速度的改变时通过改变他们的步幅完成的。

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Over the course of its history, the London Marathon has seen more than half a billion pounds raised for charity and most of this year's 37, 000 runners were raising healthy sums for their chosen causes.

BBC: Believe.in and the business of charity

Anyway, it used to be that for more casual runners looks and fit were the two most-important brand engagement drivers.

FORBES: The Race For Innovation

Mexico's cartels, now the most powerful in Latin America, began as runners for the Colombians and were paid in product.

ECONOMIST: Organised crime in Central America