PIAA Girls’ Swimming & Diving Individual Champions – 400 Freestyle Relay
| Year | School (Swimmers) | Class | Championship Time & Runner-Up |
| 2023 | Mt. Pleasant (R. Brown, M. Mizikar, T. Graft, L. King) |
2A | 3:31.57; def. Northgate by 2.64 |
| 2022 | Mt. Pleasant (R. Brown, T. Graft, S. Gardner, L. King) |
2A | 3:30.64; def. Schuylkill Valley by 2.84 |
| 2020 | North Allegheny | 3A | 3:26.54; def. Upper Dublin by 0.44 |
| 2018 | Shady Side Academy | 2A | 3:34.05 |
| 2009 | Shady Side Academy | 2A | 3:33.41 |
| 2004 | Oakland Catholic | 2A | 3:35.57 |
| 2003 | Oakland Catholic | 2A | 3:35.33 |
| 2002 | Mt. Lebanon | 3A | 3:30.14 |
| Oakland Catholic | 2A | 3:32.42 | |
| 2001 | Oakland Catholic | 2A | 3:33.55 |
| 2000 | Mt. Lebanon | 3A | 3:30.41 |
| Oakland Catholic | 2A | 3:32.75 | |
| 1999 | Bethel Park | 3A | 3:30.44 |
| 1997 | North Allegheny | 3A | 3:33.97 |
| 1995 | Fox Chapel | 3A | 3:31.69 |
| 1986 | Gateway | 3:32.23 | |
| 1985 | Gateway | 3:37.51 | |
| 1984 | North Allegheny | 3:34.14 | |
| 1983 | North Allegheny | 3:37.59 | |
| 1982 | Norwin | 3:34.22 | |
| 1981 | Bethel Park | 3:34.19 | |
| 1974 | North Allegheny | 3:48.00 |
Title Sponsor
Corporate Partners
Collegiate Partners
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