Abbott was a member of the United States Junior National Team as a junior world champion and junior US national champion in open water events.
Abbott finished as the runnerup in the 1500 freestyle at the FINA Junior Worlds.
University of Tennessee
Abbott finished fourth in the 1650 freestyle at the USA Winter Nationals with a 15:03.43, the fourth-fastest time in Tennessee program history. Collegiately, he finished seventh in the 1650 freestyle at the SEC Championships (14:55.41) and placed 13th in the 500 freestyle (4:18.96) and 36th in the 200 butterfly (1:48.85). Abbott qualified for the NCAA Championships, where he finished 27th in the 1650 free (15:00.75) and 39th in the 500 free (4:20.78).
Abbott placed 11th in the 1650 freestyle (14:55.96), 16th in the 500 freestyle (4:19.80) and 28th in the 200 butterfly (1:47.73) at the SEC Championships.
2018 U.S. National Championships
Abbott finished 37th in the 1500 freestyle (15:45.13) and 58th in the 400 freestyle (3:57.78) at the Phillips 66 National Championships.