The early leader, Lindsay Beavers, 16, STARS, split 1:02.3 at the 100, closely followed by Legault, Schwartz, Bertelink, and Ebert at 200 and 300.
Beavers held a narrow lead at 300.
At 400, Schwartz moved into second. Beavers held a slight lead with 4:24.10
At 500, Beavers still held a slight lead, with Schwartz and Bertelink within a second.
Schwartz and Beavers were virtually tied at the 600, with Bertelink and Ebert, who had yet to start kicking, a second back.
Beavers still led at 700 with Ebert now moving to second.
On the last 50, Schwartz moved into the lead, winning with 8:51.99. Beavers was second with 8:51.99 and Ebert third with 8:52.21.
Tara Sloan, 17, UCSC, split 33.30 at the 50, taking control right from the start. She did 1:11.27 at the 100, with Lauren Van Oosten, 18, NRST, a body length behind.
At the 150 Sloan spilt 1:50.20 and had a lead of over two bodies. Sloan won with 2:32.42. Van Oosten was second with 2:33.52 and Riley Mants, 18, UCSC, was third with 2:34.44.
Andrew Chan, 18, ETOB, had the early lead, turning first at the 50 with 31.34. At 75 metres, Morgan Knabe moved into the lead. He led at the 100 with 1:06.70, with Chan at 1:06.71.
Knabe held the lead at the 150 with 1:42.49, with Chan being pressed by Jason Flint, 20, and Glendon Flint, 22, from Tillsonburg.
Knabe touched first with 2:17.44. Chan was second in 2:18.73 and Jason Flint took the bronze in 2:19.35 over his brother Glendon at 2:19.62.
Good pacing for Shannon Shakespeare, 20, HWAC, allowed her to win with 56.68. Only fourth at the 50, with 27.65, she took the lead after the turn and held off all challengers.
In second was Laura Nicholls, 18, ROW, with 56.88.
Nicole Davey, 18, COBRA, was third with 57.00 and Allison Zwarich, 16, UCSC, was fourth with 57.23, qualifying all four for the 4x100 free relay.
Stephen Clarke, 24, ROW, was second at the 50 with 24.45, but took the lead early on the second length and easily won with 50.48.
Craig Hucthison, 22, PCSC, was second with 51.19.
Eddie Parenti, 26, PDSA was third with 51.72.
The times of the top four finishers was too slow for Canadian relay entry at Pan Pacs.
There were hopes for a sub 2:10 time from Jessica Deglau, 16, PDSA, who had posted near personal bests in early July. She attacked the race and was ahead of record pace at the 100. She managed only to tie her existing time of 2:11.40 from last summer.
Her splits were 30.71, 1:03.17, 1:37.35 and 2:11.40.
Jennifer Button, 19, ROW, took the silver with 2:13.54, a personal best, and Sara Alroubaie, 15, MANTA, took the bronze with 2:16.97.
Shamek Pietucha, 20, EKSC, took the lead at the 50 and held on until the 150, when Casey Barrett, 22, PDSA moved to the front and, in a close finish, won with 2:01.13. Pietucha was second with 2:01.75, and Philip Weiss, 18, PSW, was third with 2:01.77. The race was always between the top three.The splits:
The Pan Pac standard was 2:00.60 - only the winner will get to go.
Michael McWha, 20, WAC, had a lot to shoot for, after missing the Olympics last year. He made sure he would be in the lead as long as possible and got well ahead of the field. At 500 he had a 12 second lead over Brent Sallee, 20, PDSA and Mark Johnston, 17, BROCK.
At the 1000, McWha's time was 10:19.25 but Sallee had closed to 10:24.19 and was narrowing the gap with each lap.
McWha held on to win with 15:35.76, with Sallee under the standard at 15:39.28.
Mark Johnston was third with 15:43.72.