2018 World Series, game 3: 7:20. Entire 1939 World Series 7:05.

You can't make up stuff like this. In the 1939 World Series the Yankees swept the Cincinnati Reds four straight games.

In 2018 WS game 3: Dodgers beat Red Sox in 18 innings 3-2. It took 7:20 (7 hours: 20 minutes)

1939 WS:
1:33
1:27
2:01
2:04   10 innings

7:05 total