In the end, Barrett won the World Tenpin Masters at the Barnsley Metrodome with a 505 over two games, beating his opponent Jason Belmonte of Australia.

On November 19, 2011, in his American television debut (broadcast February 19, 2012), Barrett defeated American Sean Rash of Montgomery, IL, 247–204, to win the Professional Bowlers Association Scorpion Open at the South Point Casino and Hotel in Las Vegas.

Barrett won the Weber Cup XIV with Team Europe teammates Mika Koivuniemi, Martin Larsen and Stuart Williams.

The three finalists for this non-title event were chosen and seeded based on a rolling points list of PBA International-World Bowling Tour tournaments held over the previous two years.

Barrett topped a 345-player field at the Brunswick Euro Challenge on 26 March 2017, defeating Thailand's Jojoe Yannaphon in the final match to win the €12,500 first prize and his fifth PBA title.

Per tournament rules, Barrett had to beat the #1 qualifier, Iceland's Arnar Jonsson, twice to earn the title, which he did by scores of 289–235 and 278–277.

[18] Barrett won his tenth PBA Tour title at the Storm Cup: Colorado Springs Open on March 24, 2022.

Barrett also earned a $5,000 (USD) bonus for finishing second in points over the four-event Storm Cup series.

He defeated Sweden's Kim Bolleby in the final stepladder match, 236–235, to earn the title and €11,000 top prize.

This was a tournament featuring the eight highest point earners from the five Classic Series events held earlier in the season.

All players were required to use identical low-technology Skill 3.02 bowling balls on two differently oiled lanes.

After losing to Matt Ogle 193–150 in the first match of the race-to-two-points final, Barrett made a drastic move and won the second game 213–172.

His wife Cassie gave birth to the couple's first child, a son named Colby Henry Barrett, on August 18, 2018.