Josh Charlton had barely finished qualifying when he threw up over his teammate's bike. The world champion had struggled through the morning session, falling behind with four laps to go, and England's team pursuit squad was in trouble. Australia, the Olympic champions, had posted a time two seconds faster. Something had to change.

So the coaches made a call: Will Tidball would race in the final. He had never done a single practice effort with this particular lineup, on this track, in this order. "It was always going to be a bit of a gamble," Tidball told BBC Sport.

The gamble paid off. In Birmingham that evening, England beat Australia by 1.131 seconds, clocking a Commonwealth Games record of 3 minutes 47.092 seconds. Olympic champions Australia had been dethroned.

The new lineup featured 19-year-old Henry Hobbs at his first major championships. He had been a surprise selection. But when the final started, something unexpected happened: Hobbs refused to drop back. While Australia reduced to three riders after one lap, England stayed as a quartet for three punishing laps. Every extra turn meant his teammates could rest behind him, saving energy for the finish.

"Henry did way longer than he should have done on the front," said teammate Ethan Vernon. "I could tell we were up but we were also starting to fall apart a bit. I was glancing across the track trying to do enough to not drop my teammate but also stay ahead of the Aussies."

It was nail-biting. Australia crept back after halfway, and gaps appeared between English wheels as the crowd roared. But Vernon and veteran Charlie Tanfield held on. At the line, England had won.

For Tanfield, 29, this was his second Commonwealth gold, eight years after his first. Vernon now has gold medals from national, European, and World Championships. Only the Olympics remain uncrossed on his resume. Charlton, the morning's reluctant star, watched nervously from the sidelines. "It was more nerve-wracking than being in it," he said.

The win came despite England using older equipment than their rivals. "The Aussies always turn up to Commonwealth Games full equipment, good skinsuit, good everything," Vernon said. "We save stuff for the Olympics. To beat them without that is special."

But perhaps the moment belonged to Hobbs, the teenager who nearly wasn't there. "It is my first year as an elite," he said. "Even getting selected was a big surprise. To pull off the win is amazing."

As for Charlton, he hoped to recover in time for the individual event on Friday. "I will give it everything I have got in me," he said. There is far more to it than riding in circles.