Uceny took a bronze medal over 800 m at the 2008
USA Indoor Track and Field Championships and was the winner in the mile at the 2010 indoor nationals. In the 2011 season she won the 1500 m at the Brussels
Diamond League, out-sprinting a loaded field and setting the world leading time of 4:00.06, with a closing 400m of 61 seconds. At the
2011 IAAF World Championships in
Daegu, she was tripped by Kenyan runner
Hellen Obiri who had fallen, and ended up placing 10th in the final, well out of medal contention. Despite the result, Uceny finished the 2011 season ranked No.1 in the world. Uceny won the national titles in the 1500 m at the
2012 US track and field Olympic Trials, qualifying for her first Olympics, alongside
Shannon Rowbury, and
Jenny Simpson. At the London Games, Uceny and Rowbury made it to the final, but a mid-race clash with
Ekaterina Kostetskaya meant she fell hard onto the track as the pack moved on, injuring her back and right side. She did not finish the race and left the stadium in tears. Uceny ran a 4:11.18 1500 m en route to 4:29.39
mile at
Fort Washington Avenue Armory. Uceny ran a season best 4:09.31 1500 m at June 2015 Sainsbury's
Birmingham Grand Prix. At
US championship 1500 m, Uceny finished 21st. Uceny ran a season best 4:34.02 mile at
Sir Walter Miler hosted by
Meredith College. Uceny ran 4:09.21 1500 m at
NYRR Millrose Games. Uceny ran 2:02.00 near Boston, Massachusetts, 4:03.94 for 1500 at
Furman University elite women race, placed 5th at the 1500 m final at 2016
US Olympic Trials (track and field) and placed 10th in 4:24.6 at 2016
Fifth Avenue Mile. Olympian and former world number one Morgan Uceny has announced her retirement from professional track and field. ==International competitions==