when does major league baseball start

The 2026 Major League Baseball regular season starts with Opening Day on Wednesday, March 25, 2026, when the full slate of games begins across the league.

Quick Scoop: When does Major League Baseball start?

For the 2026 season, here’s how the MLB “start” breaks down.

• Official Opening Day: Wednesday, March 25, 2026, with regular-season games scheduled across MLB.

• Spring training games: Run through March 24, 2026, as listed on national schedule sites before the shift to regular-season play.

• Some coverage frames this week as “baseball is back” with Opening Day specifically highlighted as March 25.

So if you’re planning around when Major League Baseball starts , mark your calendar for March 25, 2026 as the true start of the new MLB season.

TL;DR: MLB’s 2026 regular season begins on March 25, 2026 (Opening Day) , right after spring training wraps up.

Information gathered from public forums or data available on the internet and portrayed here.