The 2025 Major League Baseball (MLB) regular season will conclude on Sunday, September 28, 2025. The postseason is scheduled to begin shortly after, with the Wild Card Series starting on October 1, 2025, and the World Series expected to end by early November, likely around November 2.
Overview of the 2025 MLB Season Schedule
The 2025 MLB season follows a structured calendar that includes spring training, the regular season, and the postseason. Understanding when each phase ends helps fans plan viewing schedules and anticipate key playoff matchups.
Key Dates in the 2025 Baseball Calendar
- Spring Training Start: Late February 2025
- Regular Season Opening Day: Thursday, March 27, 2025
- All-Star Game: July 15, 2025 (at Atlanta's Truist Park)
- Regular Season End: Sunday, September 28, 2025
- Postseason Start: October 1, 2025 (Wild Card Series)
- World Series End: Expected by November 2, 2025
Understanding the MLB Postseason Structure
The MLB postseason consists of several rounds, each eliminating teams until one remains as champion. The format has remained consistent since the expanded playoff system was adopted in 2022.
Phases of the MLB Playoffs
- Wild Card Series: Best-of-three series hosted by higher-seeded teams
- Division Series (LDS): Best-of-five series following Wild Card round
- Championship Series (LCS): Best-of-seven series for AL and NL titles
- World Series: Best-of-seven series between AL and NL champions
Factors That Can Affect the End Date of the Season
While the official schedule sets firm dates, several variables can influence when baseball truly ends each year.
Potential Delays or Extensions
- Weather-related postponements: Rain delays during the regular season or playoffs may push games back
- Tiebreaker games: If teams finish with identical records affecting playoff qualification, an extra game may be needed
- World Series length: A sweep (4-0) ends the season earlier; a full seven-game series extends it by up to three days
- Broadcast scheduling: Networks like Fox and ESPN influence start times and potential day-to-day adjustments
| Season Phase | Start Date | End Date | Duration | Notes |
|---|---|---|---|---|
| Spring Training | February 21, 2025 | March 26, 2025 | ~5 weeks | Includes Cactus & Grapefruit Leagues |
| Regular Season | March 27, 2025 | September 28, 2025 | 186 days | 162 games per team |
| Wild Card Series | October 1, 2025 | October 4, 2025 | 4 days | Best-of-three format |
| Division Series | October 5, 2025 | October 12, 2025 | 8 days | Two concurrent best-of-five series |
| Championship Series | October 13, 2025 | October 20, 2025 | 8 days | ALCS & NLCS run in parallel |
| World Series | October 22, 2025 | October 30 – November 2, 2025 | 9–11 days | Dates vary based on series length |
The table illustrates the full timeline of the 2025 MLB season. The regular season spans over six months, culminating in late September. The postseason adds approximately five additional weeks, with the final possible game occurring around November 2. Broadcast logistics and travel days are factored into the schedule, ensuring rest between series.
How the End of Season Impacts Players and Teams
The conclusion of the baseball season marks a transition point for athletes, front offices, and fans alike.
Postseason Exit and Offseason Timeline
- Teams eliminated from the playoffs enter their offseason immediately after elimination
- Players typically receive a four-week break before resuming conditioning
- Free agency begins in early November, shortly after the World Series ends
- General managers begin evaluating roster changes and trade options
Frequently Asked Questions About When Baseball Season Ends in 2025
When does the 2025 MLB regular season end?
The 2025 MLB regular season concludes on Sunday, September 28, 2025. All 30 teams will have played 162 games by this date unless tiebreaker games are required.
When does the 2025 MLB postseason start?
The 2025 MLB postseason is scheduled to begin on October 1, 2025, with the Wild Card Series. The exact start times depend on seeding and scheduling by MLB.
When will the 2025 World Series end?
The 2025 World Series is expected to conclude by November 2, 2025. If the series ends in a sweep, it could finish as early as October 27. A full seven-game series would extend to November 2.
Could weather delay the end of the baseball season?
Yes, severe weather—especially during late October games in northern cities—can cause postponements. Rain delays or winter storms may push the final games back by a day or two, though MLB builds limited flexibility into the schedule.
What happens if there’s a tie for a playoff spot in 2025?
If two or more teams finish with identical records that impact playoff qualification, MLB will schedule a tiebreaker game. These games count toward the regular season record and are typically played immediately after the scheduled end of the season, potentially pushing the postseason start back by one day.
When does the 2026 baseball season start?
While not officially confirmed, MLB typically starts its seasons in late March. Based on past patterns, the 2026 MLB regular season is expected to begin around March 26, 2026, following spring training in mid-February.
How many games are in the MLB regular season?
Each MLB team plays 162 games during the regular season, which runs from late March to late September. This structure has been standard since 1961 for the American League and 1962 for the National League, excluding shortened seasons due to strikes or pandemics.
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