- % Scrimmage Event
- Event times are (CST)
| January |
| | 30 | 2:00PM | University of Redlands | @ | CSU-San Marcos | 1-6 | |
| | | Game 2 | University of Redlands | @ | CSU-San Marcos | 3-4 | (8) |
| February |
| | 5 | 3:00PM | Southern Oregon University | @ | CSU-San Marcos | 5-11 | |
| | | Game 2 | Southern Oregon University | @ | CSU-San Marcos | 2-4 | |
| | 7 | 12:00PM | British Columbia | @ | CSU-San Marcos | RAIN | |
| | | Game 2 | British Columbia | @ | CSU-San Marcos | RAIN | |
| | 11 | 6:00PM | CSU-San Marcos | @ | Azusa Pacific University | 7-8 | (11) |
| | | Game 2 | CSU-San Marcos | @ | Azusa Pacific University | 9-3 | |
| | 13 | 2:00PM | Concordia University | @ | CSU-San Marcos | 4-1 | (8) |
| | | Game 2 | Concordia University | @ | CSU-San Marcos | 2-1 | |
| | 19 | 2:00PM | Holy Names College | vs. | CSU-San Marcos | 2-8 | |
| | So. Cal. Smash | |
| | | 4:30PM | California Baptist University | vs. | CSU-San Marcos | 12-1 | (5) |
| | So. Cal. Smash | |
| | 20 | 2:00PM | California Baptist University | vs. | CSU-San Marcos | 7-3 | |
| | So. Cal. Smash | |
| | | 7:00PM | Holy Names College | vs. | CSU-San Marcos | 0-14 | |
| | So. Cal. Smash | |
| March |
| | 2 | 3:30PM | CSU-San Marcos | @ | Vanguard University | 3-0 | |
| | | 5:30PM | CSU-San Marcos | @ | Vanguard University | 0-2 | |
| | 9 | 3:00PM | Tennessee Wesleyan | @ | CSU-San Marcos | 0-8 | (6) |
| | | Game 2 | Tennessee Wesleyan | @ | CSU-San Marcos | 0-5 | |
| | 12 | 3:00PM | Biola University | @ | CSU-San Marcos | 1-3 | |
| | | Game 2 | Biola University | @ | CSU-San Marcos | 4-6 | |
| | 13 | 2:00PM | Bethany College | @ | CSU-San Marcos | 1-8 | |
| | | Game 2 | Bethany College | @ | CSU-San Marcos | 0-9 | |
| | 18 | 2:00PM | CSU-San Marcos | vs. | Kenyon College | 11-0 | |
| | Sunwest Tournament | |
| | | 4:00PM | CSU-San Marcos | vs. | University of Puget Sound | 10-1 | |
| | Sunwest Tournament | |
| | 20 | 6:00PM | CSU-San Marcos | vs. | Saint Mary's University | 5-0 | |
| | Sunwest Tournament | |
| | | 8:00PM | CSU-San Marcos | vs. | Chapman University | 7-3 | (5) |
| | Sunwest Tournament | |
| | 21 | 12:00PM | CSU-San Marcos | @ | University of San Diego | 1-2 | |
| | | Game 2 | CSU-San Marcos | @ | University of San Diego | 3-8 | |
| | 23 | 4:00PM | CSU-San Marcos | @ | Hope International University | 4-5 | (8) |
| | | Game 2 | CSU-San Marcos | @ | Hope International University | 5-2 | |
| | 27 | 2:00PM | Vanguard University | @ | CSU-San Marcos | 0-8 | |
| | | Game 2 | Vanguard University | @ | CSU-San Marcos | 0-7 | |
| | 29 | 4:00PM | Simpson University | @ | CSU-San Marcos | 1-8 | |
| | | Game 2 | Simpson University | @ | CSU-San Marcos | 1-2 | |
| | 30 | 4:00PM | CSU-San Marcos | @ | Concordia University | 7-0 | |
| | | Game 2 | CSU-San Marcos | @ | Concordia University | 2-5 | |
| April |
| | 1 | 3:00PM | CSU-San Marcos | @ | Bethany College | 9-0 | |
| | | Game 2 | CSU-San Marcos | @ | Bethany College | 12-1 | |
| * | | 8:00PM | CSU-San Marcos | @ | Patten | RAIN | |
| * | | Game 2 | CSU-San Marcos | @ | Patten | RAIN | |
| | 7 | 4:00PM | Point Loma Nazarene University | @ | CSU-San Marcos | 0-1 | |
| | | Game 2 | Point Loma Nazarene University | @ | CSU-San Marcos | 0-4 | |
| | 10 | 2:00PM | Azusa Pacific University | @ | CSU-San Marcos | 4-3 | (8) |
| | | Game 2 | Azusa Pacific University | @ | CSU-San Marcos | 0-2 | |
| | 13 | 4:00PM | CSU-San Marcos | @ | Biola University | 3-2 | |
| | | Game 2 | CSU-San Marcos | @ | Biola University | 5-2 | |
| | 17 | 4:00PM | CSU-San Marcos | @ | Point Loma Nazarene University | 1-0 | (8) |
| | | Game 2 | CSU-San Marcos | @ | Point Loma Nazarene University | 0-1 | |
| | 20 | 6:00PM | CSU-San Marcos | @ | California Baptist University | 5-6 | (10) |
| | | Game 2 | CSU-San Marcos | @ | California Baptist University | 7-4 | |
| | 24 | 2:00PM | Hope International University | @ | CSU-San Marcos | 0-7 | |
| | | Game 2 | Hope International University | @ | CSU-San Marcos | 0-8 | |
| May |
| * | 6 | 4:00PM | CSU-San Marcos | vs. | Ohio Dominican University | 4-0 | |
| | A.I.I. Conference Tournament Game 3, Brenna Sandberg throws no-hitter for CSUSM | |
| * | 7 | 4:00PM | Houston - Victoria | vs. | CSU-San Marcos | 0-1 | |
| | A.I.I. Conference Tournament Game 7: CSUSM pitcher Brenna Sandberg thrwos her second straight no-hitter | |
| * | 8 | 4:30PM | Simon Fraser University | vs. | CSU-San Marcos | 0-9 | |
| | A.I.I. Championship Game 2, Cal St.-San Marcos wins the conference title | |
% Exhibition/Scrimmage Event
Event times are ()
