Todd Birr is an American curler. He was a bronze medalist at the 2007 World Men's Curling Championship.
The 2010 United States Women's Curling Championships were held at Wings Stadium in Kalamazoo, Michigan, from March 6, 2010, to March 13, 2010. This was the 34th edition of the United States Women's Curling Championship; it was held alongside the 2010 United States Men's Curling Championship.
The 2012 United States Men's Curling Championship took place from February 11 to 18 at the IceWorks Skating Complex in Aston, Pennsylvania,. It was held in conjunction with the 2012 United States Women's Curling Championship. The winning team, skipped by Heath McCormick, represented the United States at the 2012 Capital One World Men's Curling Championship in Basel, Switzerland. The first and second placed teams, skipped respectively by Heath McCormick and Pete Fenson, earned qualification spots to the 2014 United States Olympic Curling Trials, which will determine the teams that will represent the United States at the 2014 Winter Olympics.
The 2012 World Men's Curling Championship was held from March 31 to April 8, 2012 at St. Jakobshalle in Basel, Switzerland. The 2012 World Men's Championship was one of the curling events that is a qualifier for the curling tournament at the 2014 Winter Olympics.
The 2012 USA-Brazil Challenge was to be a curling challenge taking place from January 27 to 29 at the Bemidji Curling Club in Bemidji, Minnesota. The challenge round would have determined which nation would qualify to the last Americas Zone spot at the 2012 Capital One World Men's Curling Championship in Basel, Switzerland.
The 2014 World Women's Curling Championship was held from 15 to 23 March at the Harbour Station in Saint John, New Brunswick.
The 2015 World Men's Curling Championship was held from March 28 to April 5 at the Scotiabank Centre in Halifax, Nova Scotia, Canada. It marked the first time that a World Curling Championship had been held in Halifax, and the first time that a World Curling Championship event had been held in the province since the World Junior Curling Championships were held in Dartmouth in 1986.
The 2015 USA–Brazil Challenge was a curling challenge that took place from January 30 to February 1 at the Four Seasons Curling Club in Blaine, Minnesota. The challenge round was held to determine which nation will qualify to the last Americas Zone spot at the 2015 Ford World Men's Curling Championship in Halifax, Nova Scotia. Brazil and the United States played a best-of-five series with the United States skip Heath McCormick winning three games in a row to win the challenge.
The 2016 World Women's Curling Championship was held from March 19 to 27 at the Credit Union iPlex in Swift Current, Saskatchewan.
The 2017 World Men's Curling Championship was a curling event that was held from April 1 to 9 at Northlands Coliseum in Edmonton, Alberta.
The 2017 World Women's Curling Championship was a curling event held between March 18–26 at the Capital Indoor Stadium in Beijing, China. The winning Rachel Homan rink from Canada was the first team to go through a women's world championship undefeated since the event began in 1979, winning 13 games through the round robin, playoffs and final. Runners-up Russia took their first silver medal on this event.
The 2018 Americas Challenge was a curling challenge that took place from January 11 to 13 at the Western Fair Sports Centre in London, Ontario. The challenge round determined which nation would qualify to the last Americas Zone spot at the 2018 World Men's Curling Championship. Brazil and Canada played a best-of-five series to determine the winner in the men's event.
The 2019 World Men's Curling Championship was held from March 30 to April 7 at the ENMAX Centre in Lethbridge, Alberta, Canada.
The 2018 Americas Challenge was a curling challenge that took place from November 16 to 18 at the Chaska Curling Club in Chaska, Minnesota, United States.
The Americas Challenge is a curling challenge held by the World Curling Federation between teams in its Americas zone. The winner of the challenge qualifies their country for the World Curling Championships, and the runner-up for the World Qualification Event. The challenge is not automatically held every year, and only takes place when a team in the Americas zone challenges the second-ranked Americas team in that year's World Curling Championship.
The 2019 Americas Challenge is a curling challenge that took place from November 28 to 30 at Curl Mesabi in Eveleth, Minnesota. This challenge determined the second team from the Americas Zone to qualify for the 2020 World Men's Championship and the 2020 World Women's Championship. It was held as part of the 2019 Curl Mesabi Classic World Curling Tour event.
The 2020 United States Mixed Doubles Curling Championship was held from February 27 to March 1 at the Bemidji Curling Club in Bemidji, Minnesota. The twelve teams were divided into two pools of six teams each. Each pool played a full round robin with the top three from each pool proceeding to the playoffs. The winning team of Tabitha Peterson and Joe Polo was supposed to represent the United States at the 2020 World Mixed Doubles Curling Championship in Kelowna, Canada but the event got cancelled due to the COVID-19 pandemic. They will instead compete at the 2021 World Mixed Doubles Curling Championship in Aberdeen, Scotland as the 2021 U.S. Mixed Doubles National Championship was postponed due to the pandemic.
The 2020 United States Men's Curling Championship was held from February 8 to 15, 2020 at the Eastern Washington University Recreation Center in Spokane, Washington. The event was held in conjunction with the 2020 United States Women's Curling Championship. John Shuster claimed his seventh United States Championship, defeating Rich Ruohonen in the final.
The 2021 Americas Challenge is a curling challenge that took place from October 29 to 31 at Lacombe Curling Club in Lacombe, Alberta. The challenge was used to determine the second team from the Americas Zone to qualify for the 2022 World Men's Curling Championship, as the United States already qualifies as the host nation. It is the second time Canada has participated in the challenge, with their first being in 2018 where they defeated Brazil 3–0 in the best-of-five series. No women's challenge was held.
The 2021 United States Olympic Curling Trials was held from November 12 to 21, 2021 at the Baxter Arena in Omaha, Nebraska. The trials featured six men's teams and six women's teams who played in a double round robin tournament. After the round robin, the top two teams on each side played a best-of-three playoff to determine the winner. The winner of both the men's and women's events will represent the United States at the 2022 Winter Olympics in Beijing, China.
United States 
Brazil (Marcelo Mello)