Four of the events, the marathon, the walk, cycling road race and the cycling time trial, are free.

BBC: Commonwealth Games may not pay for India

The average cycling road race for disabled athletes is a one-day event stretching 50 miles, while able-bodied races can last five days or more, he said.

WSJ: Blade Runner Is on a Well-Trodden Path

Wiggins, who will make his London 2012 bow in the cycling road race on Saturday, said on Twitter: "Just arrived at the Olympics, got all me kit, still think Stella was a bit Lucy in the Sky when she knocked this one up, " a reference to one of McCartney's Dad's classic records.

CNN: SHARE THIS

The marathon, road cycling, triathlon, open water swimming and race walking are the events most at risk.

BBC: Rogge admits Beijing air concern

The road regularly features in the Tour de France cycling race.

BBC: Alps coach crash: British driver killed is named

She said their father, who was born in Fenton in 1912, was inspired to start cycling aged 14 when he entered and won a 25-mile road race.

BBC: Cyclist Tommy Godwin's achievements tweeted

In other cycling news Wednesday, David Millar has been named in the Great Britain squad for the road race at the London Olympics.

CNN: 2010 champion Andy Schleck out of this year's Tour de France

Billed as Ireland's toughest multi-sports race, it challenged its 54 competitors to cover 260km of kayaking, cycling and mountain road and trail running within 24 hours.

BBC: A finish line few will cross