In 2011, Hamilton skipped the team of Tara Peterson, Karlie Koenig and Sophie Brorson to a 5–5 (5th) record at the 2011 World Junior Curling Championships.
At the 2010 United States Women's Curling Championship, Hamilton skipped a team of Koenig, Jenna Haag, and Grace Gabower to a 7–2 round robin finish in a four-way tie for first.
At the 2013 United States Women's Curling Championship, Hamilton led her rink of Molly Bonner, Peterson, and Brorson to a 3–6 finish, again missing the playoffs.
They finished the 13-game round-robin in fifth place with a 7–6 record, earning them a spot in the playoffs and securing a 2022 Olympic berth for the United States.
In the playoffs, Team Peterson defeated Denmark's Madeline Dupont but lost to Switzerland's Silvana Tirinzoni to end up in the bronze medal game.
[14] Following the 2021–22 season, Nina Roth retired from competitive curling and the team added Cory Thiesse (née Christensen) as their new third.
[21] In the new year, the team went undefeated to claim the 2023 United States Women's Curling Championship, defeating Delaney Strouse 8–5 in the final.
[23] The team ended their season at the 2023 Players' Championship and the 2023 Champions Cup Grand Slam events where they reached the quarterfinals and semifinals respectively.
[25] Team Peterson won their second event of the 2023–24 season, losing just one game en route to claiming the US Open of Curling.
[26] They also had a semifinal finish at the 2023 Stu Sells Oakville Tankard and a quarterfinal appearance at the 2023 Curlers Corner Autumn Gold Curling Classic.
After a semifinal loss to Japan's Satsuki Fujisawa, Team Peterson bounced back to claim the bronze medal, stealing in an extra end to defeat Canada's Kerri Einarson.
[29] At the 2024 United States Women's Curling Championship, the Peterson rink lost their first game to Sarah Anderson before running the table the rest of the event.
In the final, they doubled up on Team Anderson 10–5 to defend their title as national champions and qualify for the 2024 World Women's Curling Championship.
[31] In March, the Hamilton siblings won their third United States Mixed Doubles Curling Championship, defeating reigning world champions Cory Thiesse and Korey Dropkin in the final.