An Olympic marathon is 42.5 km long, but _____ one is over 160 km in length and includes nine mountain peaks.

two-thirds of those taking part _____ reported to have said it had a positive effect ____ their symptoms

In ____ of, or perhaps because of this, the annual event has become increasingly popular with runners, to ____ extent that the numbers have had to be limited to 2300.

It is widely regarded _____ one of the toughest races in the world

The Ultra-Trail of Mont Blanc is an extreme marathon hel annually ____ 2003

A survey has recently been carried _______ into the way music affects people in pain.

Researchers believe that listening to your favourite music, ____ may directly affect both your emotions and your thoughts, can have the effect of distracting you from what is hurting.

About 40% of people suffering ______ continuous pain said that music helped them, with an even higher figure _____ young people

The marathon takes place in August, ______ temperatures frequently range from over 30 degrees, to well _____ freezing.

______ the research seems to show is that certain songs can reduce the sensation of physical pain.

That involves climbing a total of approximately 9,5000 m, ____ is considerably higher than Everst.

Pop music, as ____ as it is fairly gentle and not too loud, is slightly ahead of classical as the favourite for dealing with pain.

The type of music played appears to make less difference than might ____ imagined