Ubellacker, the first MIT swimmer to compete at the U.S. Trials, just missed out on moving to the semifinals in the 50-meter event. With the top 16 times advancing to the semis, Ubellacker was just 0.1 seconds shy of moving on, finishing an impressive 21st overall out of 167 competitors in his first Olympic Trials. Swimming in the 10th heat of the day, he was the third swimmer to break the 23-second mark. He entered the Trials with the 76th fastest qualifying time of 23.23 seconds.
On Thursday, Ubellacker started his Olympic Trials experience with the 100-meter freestyle. Swimming in the third heat of the day he finished third, recording a 51.39 second time that would wind up 102nd overall out of 165 swimmers that competed. He qualified with the 156th fastest time, a 51.40 seconds effort.