Senior (2011-12) - Redshirted
Junior (2010-11) - Wrestled to a third-place finish at the NCAA tournament and All-American at 149 pounds...won the second Pac-10 Conference Title of his career...went 5-1 at the NCAA Championships, falling to Frank Molinaro of Penn State in the semifinals before defeating Jamal Parks of Oklahoma State in the consolation semifinals and Ganbayar Sanjaa of American in the third-place bout...finished with a 29-2 overall record, including an 18-1 record in tournament competition and three tournament titles...concluded the season with eight wins by major decision, also winning twice by fall and twice by technical fall. Chamberlain ranked second on the team in total wins (29) and major decision victories (8).
2009-10 - Earned his second-consecutive NCAA tournament berth after finishing third at the 2010 Pac-10 Conference Championship at 149 pounds...opened the NCAA championships with a 9-5 decision over David Cheza of Michigan State followed by a 10-2 major decision win over Brian Stephens (Virginia Tech) and a 5-2 win against Kevin LeValley of Bucknell...lost to Lance Palmer of Ohio State by fall (1:14) and Kyle Borshoff of American, 5-3, to fall from tournament action...finished the season 26-10 with a 12-4 record in dual competition...started 16-of-17 duals for the Broncos at 149 pounds...tied for second on the team in major decisions (9), while ranking third in overall wins and fourth in dual points (44) and overall winning percentage (72.2%)...also tied for fourth in dual wins and tied for fifth in dual winning percentage...finished fourth at the Cliff Keen with a 4-2 record, and was second in Reno with a 4-1 record. Chamberlain finished the regular season ranked No. 6 by InterMat, which marked his highest ranking of the 2009-10 season.
2008-09 - Went 4-0 at the Pac-10 Conference tournament to win his first individual conference championship and compete at the NCAA Championships...went 1-2 at the national tournament, defeating Matt Cathell of Delaware State, 9-3, in the first round of the consolation bracket...finished the season with a 22-9 overall record, 10-6 in duals...started 16 of 20 duals for the Broncos, including the last 14 duals at 149-pounds...Chamberlain finished the regular season ranked No. 16 nationally by USA Today/InterMat/NWCA...recorded three major decisions, three technical falls and three pins throughout the season...captured one tournament title by winning the Body Bar tournament.
Freestyle - Competed in the 2012 World University Games where he fell in the opening round...qualified by defeating Frank Molinaro at the World University Team Trials... captured the 66 kg/145.5 lbs title and was named the Outstanding Wrestler at the University National Freestyle Championships Akron, Ohio.qualified to represent the United States at the 2009 FILA Junior World Championships in Ankara, Turkey by winning the 66 kg (145.5 pound) weight class at the FILA Junior Team Trials...during the summer prior to arriving at Boise State, Chamberlain competed in the Junior division of the FILA World Team Trails and placed third in his weight class at 145.5 pounds (66kg).
High School - Won four state championships and multiple national titles...won the High School Junior national championship and ROTC championship as a junior and was the high school national champion as a senior...named team captain as a senior...high school was Justin Judkins.
Major - Health Science