Hoy won gold in the 1km time trial at the 2004 Olympics

It will be the 30-year-old's last run over the distance, as the "kilo" has been scrapped from the 2008 Olympics.

Hoy already holds the sea-level record for the distance and this attempt, in the Bolivian capital of La Paz, will take place 3,640m above sea level.

"The motivation is to do with ticking all the boxes - to say I achieved everything I possibly could," Hoy said.

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Hoy has won gold medals at three World Championships, the 2004 Olympics and the 2002 Commonwealth Games.

I wouldn't be going out there unless I had a good chance of breaking the record Chris Hoy

And he is favourite to win a fourth world title in Majorca later this month.

A BBC television crew will film his 12 May attempt at the open-air velodrome in La Paz, where Frenchman Arnaud Tournant set the existing record of 58.875 seconds in 2001.

Hoy's best time is the sea-level record of 1min 00.711secs, which he achieved when winning gold at the Athens Olympics.

The thin air in La Paz means Hoy should be able to go much faster on 12 May.

The Edinburgh rider said: "I wouldn't be going out there unless I had a good chance of breaking the record but having said that, there is a question of how I'm going to deal with the altitude.

"I've spoken to Arnaud a couple of times about it. He was quite helpful. He was quite positive about it all.

"Obviously, he doesn't want me to break his record but he's a good sport and if I succeed, he'll be the first person to congratulate me."