At Princeton — 2011-12: earned Mid-Major All-America Honorable Mention … competed at the U.S. Open Championships in both the 400 IM and 200 IM; placed 12th in the 400 and 16th in the 200 … competed at his first Ivy League championship meet and placed third in the 400 IM in 3:51.43 … finished seventh in the 100 breast in 55.85 … took sixth in the 200 breast in 1:59.50 … won the 400 IM in 3:54.47 during H-Y-P weekend … won the Dermod F. Quinn Memorial Award for inspiration. 2010-11: considered one of Princeton's top freshmen, but had to miss Ivy League Championship meet after developing an illness; team rallied together for a YouTube video that received more than 130,000 views … Hasler was interviewed with senior teammate Colin Hanna on swimmingworld.com … before illness, recorded top-five finishes in both 200 breast and 400 IM during H-Y-P weekend.

Before Princeton — qualified for Olympic Trials in the 200 IM, 400 IM and 200 breast … ranked  25th in the country in the 400IM, 64th in the 200 IM and 45th in the 200 breast … holds five Junior National and two Senior National cuts … holds six Carmel Swim Club records … four-time MVP of Carmel Swim Club … placed 17th at Speedo Junior Nationals in 400 IM and 19th in 200 breast … placed second (500) and third (200 free) at Indiana high school state championship meet … 2010 all-state and Academic all-state honoree … holds eight Park Tudor School records … ranked eighth nationally in the 400IM by USA Swimming for all 17-year-olds … National Merit Finalist … AP Scholar with Honors … USA Swimming Scholastic All-America … Cum Laude Society … Global Scholars Program graduate … four-year member of the pep band and concert bands (trumpet) … Park Tudor School Honor Scholarship (academic excellence, good citizenship, and significant contributions to the school) honoree … Malcolm McVie Service and Scholarship Award for commendable community service and excellent scholarship recipient.

Personal — born March 14, 1992 … son of Daniel and Katherine Hasler … father is a retired vice-president of global marketing; mother is a home engineer … has a sister Brooke … enjoys skiing, basketball, waterskiing, travel and being outdoors.