It was a feat of extreme endurance and high skill and rarely can he have played better than he did from lunchtime on the first day onwards.

Extreme endurance runners have been pounding the world's wild places for a few decades now, rail-thin and hurting in ways too intense to put into words.

Athletes who compete regularly in extreme endurance sports are already known to have a raised risk of arrhythmia, which the newly identified effect could potentially explain.

Extreme endurance events have become cool, as the proliferation of ever more horrific physical challenges proves.

He has demonstrated a remarkable tolerance to pain and extreme endurance.