Roberts Wesleyan Redhawks

2025-26
First-Team All-American, Second-Team All-American
Repeats as first-team All-American by finishing seventh in the 100 butterfly at the NCAA Division II Championships ... Made second-team All-American after finishing 15th in the 100 freestyle at the NCAA Division II Championships ... Established school records in the 50 (19.91 seconds) and 100 (43.79) freestyles ... Earned Swimmer of the Meet after capturing the 100 freestyle, 100 butterfly and 200 individual at the MET Championships ... Named Roberts Wesleyan University Male Scholar-Athlete of the Month for November.  

2024-25
First-Team All-American
Became the first Roberts Wesleyan University swimmer to earn All-American status by finishing sixth (46.74 seconds) in the men's 100-yard butterfly at the NCAA Division II Swimming and Diving Championships in Indianapolis. Pieterse broke his own school record by .3 seconds when he qualified fifth in 46.66 seconds during the March 13 prelim session ... Named Scholar All-American by the College Swimming and Diving Coaches Association of America ... Named Swimmer of the Meet at MET Championships ... Set school record in 10 individual events (50 freestyle, 100 freestyle, 200 freestyle, 100 backstroke, 200 backstroke, 50 butterfly, 100 butterfly, 200 butterfly, 200 individual medley, 400 individual medley) and three relays (200 freestyle, 200 medley, 400 medley).