The big motordome was gayly decorated with flags and bunting, in honor of the Fourth, and there was just enough breeze stirring to give them motion. A big military band played patriotic and popular airs, and, as the spectators filed into their seats in a never-ending procession, they felt already the first stirrings of an excitement that was to make of this a night to be remembered throughout a lifetime.

An hour before the time scheduled for the race to begin every seat in grandstand and bleachers was taken, and people were fighting for a place in the grassy infield. Very soon, even that was packed with as many spectators as the managers felt could be disposed of with safety. They were kept within bounds by a stout rope fence stretched between posts. At last every available foot of space was occupied, and the gates were closed. Thousands were turned away even then, although there were over sixty thousand souls within the stadium.

The motordome had been constructed to hold an immense crowd, but its designers had never anticipated anything like this. So great was the interest in the event, that most of those who could not gain admittance camped down near the gates to get bulletins of the progress of the race, as soon as possible.

It was an ideal night for such an event. The air was soft and charged with a thousand balmy odors. The band crashed out its stirring music, and made the blood of the most sluggish leap and glow. Suddenly the arc lights suspended at short intervals over the track blazed out, making the whole place as light as day.

Then, as every detail of the track was plainly revealed, thousands drew a deep breath and shuddered. The track was banked at an angle of approximately thirty-eight degrees, with three laps to the mile. It seemed impossible to many that anything on wheels could cling to the precipitous slope, that appeared to offer insecure footing even for a fly.

Near the bottom, a white band was painted around the entire circumference, marking the actual one-third of a mile. At the bottom of the track there was a level stretch, perhaps four feet wide, and beyond that the smooth turf, bordered at a little distance by a dense mass of spectators confined within the rope fence. Above the track tier after tier of seats arose.

Opposite the finish line, the starter’s and judge’s pavilion was built. Here all the riders and machines that were to take part were assembled, and it presented a scene of the utmost bustle and activity. Tom and Dick were there, anxiously waiting for Bert to emerge from his dressing room, and meanwhile inspecting every nut and bolt on the “Blue Streak.” Despite the recent changes made in it, the faithful motorcycle was still the same staunch, dependable machine it had always been, but with even greater speed capabilities than it had possessed before.

Of course, there were many who claimed that Bert could never have a chance of winning without a specially built racer, and he had been urged a score of times to use such a mount. But he had refused without the slightest hesitation.

“Why,” he always said, “I know what the old ‘Blue Streak’ will do, just as well as I know what I am capable of. I know every whim and humor of it, and just how to get the last ounce of power out of it. I’ve tested it a thousand times. I know it will stand up to any work I put it to, and I’d no more think of changing machines now than I would of trying a new system of training two days before I was to enter a running race. No, thanks, I guess I’ll stick to the old ‘Blue Streak.’”

Dick and Tom were still busy with oil can and wrench when Bert emerged from his dressing-room. He was dressed in a blue jersey, with an American flag embroidered on breast and back. His head was encased in a thick leather helmet, and a pair of heavy-glassed goggles were pushed up on his forehead.