2026 NCAA Qualifier
2026 CSCAA All-American
2026 All-SEC
Top Times
50-free: 19.36 2026 SEC Championships
100-free: 43.70 2026 SEC Championships
100-fly: 47.71 2025 Georgia Invitational
SOPHOMORE SEASON (2025-26)
Qualified for the NCAA Championships, competing in the 200-free relay and 400-free relay and earned All-American status in the 200-free relay … Was a member of the silver medal 200-free relay team at SEC Championships; also placed 33rd in the 500-free (19.80) and 46th in the 100-free (43.70) at SECs … Made his LSU debut at the Air Force Invitational, placing seventh in the 50-free (20.93) and 12th in the 100-fly (51.95) … In the home opener against Kentucky, he finished fifth in both the 50-free (20.27) and 100-fly (49.70) … Against Alabama/FSU, the sophomore took fifth in the 50-free (19.92) … At midseasons, Dillingham touched the wall 13th in the 50-free (19.79), 17th in the 100-fly with a personal best (47.71), 25th in the 100-free (44.19) … In Gainesville against Florida, he placed fifth in the 50-free (20.74) and sixth in the 100-free (46.60)
PRIOR TO LSU
Very decorated swimming transfer from USC … Earned first place at OSAA 6A State Championships in both 100-yard freestyle and 50-yard freestyle in 2022 … Later in 2022, took home the top spot in 50-meter freestyle at Speedo Junior National Championships … Placed third at 2023 Speedo Winter Junior National Championships in 50-yard freestyle … Holds Oregon state records in 50-meter freestyle and 50-yard freestyle, respectively … Did not compete during freshman year at USC.
PERSONAL
Full name is Diggory Dillingham … Born on February 16, 2005 … Parents are Megan Oesting, a former swimmer at UCLA, and William Dillingham … Has one sister, Mia, 23 … Chose LSU because, “I have a great relationship with Coach Bishop and the rest of the staff.”