Seattle Mariners 2025 Calendar. The seattle mariners’ regular season will begin on thursday, march 27, 2025, and will end on sunday, september 28, 2025. Fifa club world cup 2025 seattle matches image via @soundersfc on instagram.

Includes game times, tv listings and ticket information for all mariners games. A printable version of the mariners regular season schedule is available in adobe acrobat format.