International Competition: Has qualified for the 2004 Olympics in Athens ... Won a silver medal in the 100m back and 200m back at the 2002 European Championships as well as a bronze in the 200m IM ... Placed fourth in the 200 back and eighth in the 100 back at the 2002 FINA World Championships ... Won the silver medal in the 200m back and finished fifth in the 100m back at the 2001 FINA World Championships ... Competed at the 2000 Olympics in the 200 back.
National Competition: Qualified for the 2000 Olympics at U.S. Nationals in 200 back.
As a Junior in 2002-03: Four-time All-American (three individual and one relay) ... Placed fifth in the 200 IM with a time of 1:45.50 at NCAAs ... Took second at NCAAs in the 200 backstroke in 1:41.37 ... Tied for 15th at NCAAs in individual high points with 36 ... Finished 12th at NCAAs in the 400 IM, posting a time of 3:49.05 ... Swam lead-off leg of Stanford's 800 freestyle relay team that took eighth at NCAAs (6:27.39) ... Placed second in the 200 IM at Pac-10s in a time of 1:45.87 ... Took fourth at the conference championships in the 400 IM (season-best 3:47.78) ... Member of Pac-10 Champion 800 free relay team (swam lead-off leg) with a time of 6:25.75 ... Recorded a second place showing at Pac-10s in the 200 backstroke in a time of 1:41.74 ... Posted his fastest time of the season in the 200 IM in the prelims at NCAAs (1:45.37).
As a Sophomore in 2001-02: Four-time All-American (three individual and one relay) ... Crowned NCAA Champion in both the 200 IM (1:44.03 - pool record and season- and career-best time) and 200 back (1:41.14 - pool record) ... Finished second in the individual high points standings (55) at NCAAs ... Winner of the Al Masters Award - given to the top student-athlete at Stanford who exemplies athletics, academics and leadership ... Took fourth in the 400 IM at NCAAs in a time of 3:43.40 - the second fastest time in school history ... Member of 800 free relay team that placed sixth at NCAAs (6:27.61) ... Pac-10 Champion in the 200 back with a time of 1:40.79 - a season and career-best ... Pac-10 Champion in the 400 IM with a conference meet record of 3:42.76 (a school record) ... Took second in the 200 IM at Pac-10s (1:44.58).
As a Freshman in 2000-2001: Four-time All-American ... Placed second at NCAAs in the 200 back with a season-best time of 1:41.64 ... Took third in the 200 IM at NCAAs with a season-best time of 1:44.57 ... His time in the 200 IM set a school record as well ... Block "S" Outstanding Male Freshman Award winner ... Tied for fifth in the 100 back at NCAAs with a season-best time of 46.83 ... Swam lead-off leg of Stanford's 800 free relay team that finished fifth at NCAAs ... Pac-10 Champion in the 200 IM and 200 back ... swam the 200 back in a time of 1:42.58 and the 200 IM in a time of 1:45.92 ... placed third in the 100 back with a time of 47.70 ... swam his then-fastest time in the 100 back on the lead-off leg of a 400 medley relay team at Pac-10s with a time of 47.65 ... tallied 46.5 points at NCAAs to finish 8th in the individual points standings.
Prep: 2000 graduate of Mount Vernon High School in Mount Vernon, Va. ... Four-year letterwinner in swimming and one-year letterwinner in cross country ... Four-time all-district selection ... Three-time all-region honoree ... Two-time all-state selection ... All-American in 1997 and 2000 ... Holds school record in 100 breast, 100 fly, 200 free, 100 free, 200 IM and 100 back.
Personal: Majoring in International Relations with a minor in Economics ... Parents are Michael and Margot ... Has four siblings, Lisa (19), Alix (15), Daniel (14) and Rosa (7) ... Hobbies include surfing and skiing ... Full name is Markus Antonius ... most exciting experience was participating in the opening ceremony of the Sydney Olympic Games.