| Innings | Date | Opponent | Result |
|---|---|---|---|
| 18 innings | February 28, 2020 | Grand Canyon | L, 5-3 |
| 18 innings | May 25, 2012 | California | L, 5-4 |
| 18 innings | April 5, 2002 | Arizona | W, 5-4 |
| 16 innings | April 21, 2023 | Washington | W, 3-1 |
| 15 innings | May 2, 2010 | at Washington | L, 4-3 |
| 15 innings | May 9, 2006 | at Santa Clara | W, 8-4 |