It was his third swimming gold medal at the Summer Games and he did it with a personal best time of 43.17sec.
It meant a lot to him. When he climbed out of the water he raised his arm and shouted to his team-mates ''I've won three gold medals.''
Broadfoot (16), a pupil at Spotswood College in New Plymouth, was the star swimmer on the final day of swimming at the Summer Games with his attacking style in the pool.
''I felt tremendous,'' he said.
''I'll remember this week for a long time.''
Broadfoot's other gold medals were in the 25m breaststroke and the 4 x 25m relay.
He trained two days a week with his coach Joanne Wood in the lead up to the Summer Games.
''I'm proud of him,'' Wood said.
''It was an exceptional performance. I think he is ready to join a mainstream swimming club.''
Broadfoot has been swimming for five years and won a gold and bronze medal at the Summer Games at Palmerston North four years ago.
He was the star performer in a North Taranaki team of eight swimmers that won 12 gold medals, five silver and eight bronze.
The 41-strong North Taranaki team in Dunedin last week had 30 athletes and 11 coaches and managers.
The Bay of Islands dominated the 25m freestyle. Joshua Walker won the gold medal in 16.92sec and Tony Pakura was third in 17.75sec.
The Summer Games swimming ended in style for the Bay of Islands team, when the team of Yvonne Wilson, Alex Goldsack, Pakura and Walker winning the 4 x 25m relay.
Other swimming gold medallists in the team were George King and Aroha Morgan.
