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

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

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

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

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

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

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

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

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

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.

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

Only about half of these, ______ average, are likely to finish the course, in times that typically vary from 20 hours to over 45.

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