Following are the Butler and Seneca Valley swimmers who will be competing in the 2013 WPIAL Class AAA Swimming Championships, to be held Thursday and Friday at the University of Pittsburgh’s Trees Pool. Each swimmer’s name is preceded by their seed and followed by their seed time.

Girls

200 medley relay: 7-Butler (Stephanie O’Toole, Taylor Campbell, Jillian McElhaney, Kati Herr) 1:52.71, 13-Seneca Valley (Katie Miller, Carly Belsterling, Madisen Tretter, Kaitlyn Burkett) 1:55.97

200 freestyle: 10-Katie Miller (SV) 1:59.46, 21-Taylor Campbell (B) 2:01.98, 32-Sadie Lee (SV) 2:03.36, 35-Emily Bruce (B) 2:03.97

200 individual medley: 17-Madisen Tretter (SV) 2:17.28, 32-Carly Belsterling (SV) 2:22.18

50 freestyle: 14-Jillian McElhaney (B) 25.5, 18-Kaitlyn Burkett (SV) 25.74, 31-Kati Herr (B) 25.96

100 butterfly: 1-Stephanie O’Toole (B) 56.45, 27-Jacklyn Curtz (SV) 1:03.58, 38-Holly Sauer (SV) 1:04.34

100 freestyle: 10-Katie Miller (SV) 54.53, 18-Kaitlyn Burkett (SV) 55.76, 38-Kassi Grumski (SV) 56.9

500 freestyle: 20-Macie Pennington (B) 5:28.04, 31-Holly Sauer (SV) 5:33.97

200 freestyle relay: 9-Butler (Stephanie O’Toole, Jillian McElhaney, Kati Herr, Taylor Campbell) 1:43.56, 16-Seneca Valley (Jessica Morris, Sadie Lee, Kassi Grumski, Mara Dunning) 1:47.47

100 backstroke: 16-Emily Bruce (B) 1:03.37, 23-Kassi Grumski (SV) 1:04.59, 29-Kaelyn Emanuel (B) 1:04.9, 37-Sarah Ritchie (SV) 1:05.42

100 breaststroke: 13-Taylor Campbell (B) 1:10.4, 15-Madisen Tretter (SV) 1:11.12, 20-Carly Belsterling (SV) 1:12.14

400 freestyle relay: 9-Seneca Valley (Kaitlyn Burkett, Madisen Tretter, Kassi Grumski, Katie Miller) 3:44.78, 14-Butler (Stephanie O’Toole, Jillian McElhaney, Kati Herr, Kaelyn Emanuel) 3:50.61

Boys

200 medley relay: 11-Butler (Ryan Deemer, Tukker Uniatowski, Levi Leyland, Dante Cicco) 1:45.42, 20-Seneca Valley (Nate Burkett, Dan Barnes, Ryan Cwik, Brett Foster) 1:49.42

200 freestyle: 6-Spencer Tretter (SV) 1:46.89, 8-Ryan Deemer (B) 1:47.98

200 individual medley: 18-Tukker Uniatowski (B) 2:08.14, 19-Michael Rhein (SV) 2:09.02

50 freestyle: 12-Michael Palaski (SV) 22.7, 13-Jake Fausti (SV) 22.88, 22-Levi Leyland (B) 23.12

100 butterfly: 14-Ryan Cwik (SV) 55.93, 31-Levi Leyland (B) 58.21, 35-Dan Barnes (SV) 58.65

100 freestyle: 10-Michael Palaski (SV) 49.83, 15-Jake Fausti (SV) 50.51

500 freestyle: 3-Spencer Tretter (SV) 4:49.02, 4-Ryan Deemer (B) 4:51.79, 20-Ian Gillan (B) 5:10.05, 27-Michael Rhein (SV) 5:12.04

200 freestyle relay: 8-Seneca Valley (Jake Fausti, Michael Rhein, Spencer Tretter, Michael Palaski) 1:32.74, 15-Butler (Dante Cicco, Tukker Uniatowski, Ian Gillan, Taylor Frankenstein) 1:35.53

100 backstroke: 33-Nate Burkett (SV) 1:00.81, 35-Taylor Frankenstein (B) 1:00.94

100 breaststroke: 19-Tukker Uniatowski (B) 1:05.01, 32-Brett Foster (SV) 1:06.29

400 freestyle relay: 7-Seneca Valley (Jake Fausti, Michael Rhein, Michael Palaski, Spencer Tretter) 3:21.56, 17-Butler (Ryan Deemer, Levi Leyland, Taylor Frankenstein, Dante Cicco) 3:31.8