Britain's Shanaze Reade opened her campaign for BMX gold by qualifying fifth fastest in the opening time trial.
They added that they may issue a statement on the exhibition closer to the opening time.
"They tell me of their anxiety as the opening time comes.
The opening time, which had seemed scandalously early the day before, now seemed scandalously late.
By the opening time of 10am, there was a queue of around 100 people at the entrance to Red Square.
And on Thursday afternoon, signs concerning registration had the opening time crossed out, replaced by the word "later".
The Swiss Fabian Cancellara of Team Saxo Bank, who won the opening time trial on Saturday, retained the leader's yellow jersey.
(On a recent Tuesday, about 50 people had lined up about an hour before the opening time of 12 30 p.m).
Bradley Wiggins claimed his first ever leader's jersey in a Grand Tour by winning the opening time trial in the Giro d'Italia.
The coliseum staff, thinking that the crowd was attempting to rush the doors and enter without paying, kept most of the doors shut, even after the sound check ended and the opening time had passed.
But David Millar, a Scot who rides for the American-backed Slipstream squad, said he would be on the starting line in a bid to repeat his victory last year in the opening time trial.
