Parents are Dieter and Kathy ... majoring in political science ... served an LDS mission to Brazil ... father swam for BYU in 1979.
Transferred from the University of Texas ... helped Texas win the 2003 Big 12 Championship ... four-year letterwinner at Abilene High School ... district and regional swimmer of the year ... 2000-01 Texas High School State Swimmer of the Year ... first-place finish at the 2001 18-and-under Summer Nationals in the 50 free ... AHS 2002 Top Male Athlete ... personal best 50 free: 20.48.
2006-2007 | Redshirt Year
Greiner redshirted the 2006-07 season.
2007-2008 | Junior Year
Named to the All-MWC Team in both the 50 and 100 free ... finished the MWC Championships with three new season-best times in the 50, 100 and 200 free placed in second at the MWCC in the 100 free with a time of 44.53 ... took sixth place in the 50 free (20.57) at the MWCC ... his season-best time in the 200 free (1:40.90) at the MWCC came in a 12th-place finish ... swam the third leg of the 200 free relay team that touched the wall in third place at the MWCC with a time of 1:20.60 ... finished in first and second place in the dual meet against Utah in the 100 (45.80) and 50 free (21.10), respectively.
2008-2009 | Senior Year
Tallied 10 first-place finishes on the season ... competed in all seven dual meets on the season for the Cougars ... named to the All-Mountain West Conference team for his performance in the 50 free, 100 free, 200 free relay and 400 free relay at MWC Championships ... anchored the fourth-place 200 medley relay team at MWCC ... placed third in the 50 free at MWCC with a preliminary time of 19.89 and a final time of 19.94 ... anchored the second-place 200 free relay team at MWCC ... finished 10th in the 200 free at MWCC with a time of 1:38.39 ... anchored the fourth-place 400 medley relay team at MWCC ... won the 100 free at the MWCC, breaking both the MWC and BYU records in the event with a time of 43.34 ... led off the second-place 400 free relay team at MWCC ... placed first in the 50 free and 100 free against Utah with times of 21.92 and 46.88, respectively ... finished first in both the 50 and 100 freestyle events against Wyoming with times of 20.90 and 45.86 ... tallied first-place finishes in the 50 free and 100 free against Air Force with times of 20.81 and 45.69, respectively ... led off the winning 400 free relay team at the Nike Cup that achieved a time of 3:02.99 ... placed ninth in the 100 free at the Nike Cup with a time of 44.59 ... anchored the 400 medley relay at the Nike Cup that finished second behind UNLV with a time of 3:22.10 ... finished fifth in the 50 free (20.91) at the Nike Cup ... helped the 200 medley relay team place first in first conference meet of the season against TCU with a time of 1:34.63 ... finished first in the 50 free at the Blue and White Meet to kickoff the season with a time of 21.58 ... competed and qualified for the 2008 U.S. Olympic Trials.