Westendorf improved drastically this season going best times in the 100 Free (46.95), 200 Free (1:41.35), and 500 Free (4:34.59). His times in the 200 and 500 finished top five on the team.
Did not compete his freshman year for the Tigers.
Westendorf finished second in the 500 freestyle (4:34.67) in the WIAA 4A State Championships his senior year. He also took a second place finish in the 200 freestyle (1:41.82) and had a 1650 free time of 16:10.26 that year. Westerndorf is a two-time Mid-Columbia MVP.
Westendorf is the son of Todd and Heather Westerndorf. Cole has one sister, Emma.