Re: Most difficult running event...
Having never actually completed a marathon, I can't argue with you.
Fo me, the oxygen debt brought on by too-fast opening quarters was nothing I've experienced in any other event up to 13 miles.
Having never actually completed a marathon, I can't argue with you.

Fo me, the oxygen debt brought on by too-fast opening quarters was nothing I've experienced in any other event up to 13 miles.
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