2009-10: Winterroth competed in the Oct. 3rd home relay meet against Puget Sound University ... swam 300 yard butterfly relay in 55.85 ... swam in 500 yard freestyle relay with Hryciuk, Andrews, and Bley-Male in a final time 4:32.40 ... 200 yard freestyle relay in 22.73 ... 400 yard freestyle relay in 50.12
On October 12, Winterroth competed in the PCSC Relay Meet. He swam in the 300 Butterfly Relay with a final time of 2:49.14, in the 400 Medley Relay with a final time of 3:44.99, the 200 Freestyle Relay with a final time of 1:29.19, and the 400 Freestyle Relay with a final time of 3:19.70.
At Pacifric Collegiate Swim & Dive Conference Championships, competed in 50 Freestyle, placed 52nd with a time of 22.51 ... competed in 200 Freestyle Relay, team placed 11th with a time of 1:26.50 ... competed in 100 Butterfly, placed 30th with a time of 54.06 ... competed in 100 Freestyle, placed 48th with a time of 49.14.
2007-08: Winterroth posted multiple top ten times throughout his freshman season with the Redhawks. At the PCSC Championships, Winterroth swam his fastest time in the 50 yard free with a 22.45, which was good enough for 23rd place. He also swam his fastest time in the 100 yard free at the same meet with a time of 49.08.
Lake Stevens HS: Winterroth was team MVP at Lake Stevens in 2007. He also won the Coaches Award in 2006 and was named Most Improved in 2005. He was a member of the school record team in the free relay at Lake Stevens. Winterroth swam all four years at Lake Stevens.