Schedule and 2023-24 Results
Regular Season Records: Boston 64-18, Miami 46-36
Game 1 on Sunday, 21 April: Miami loses at Boston, 114-pts-94
Game 2 on Wednesday, 24 April: Miami wins at Boston, 111-pts-101
Game 3 on Saturday, 27 April: Boston wins at Miami, 104-pts-84
Game 4 on Monday, 29 April: Boston wins at Miami, 102-pts-88
Game 5 on Wednesday, 01 May: Miami loses at Boston, 118-pts-84

SERIES NOTES:

After Game 5: The Boston Celtics hosted and bested the Miami Heat 118-pts-84 to complete a 4-games-1 best-of-7 MLB/NBA/NHL playoff series 1566 victory. With the series 1566 win, the Boston Celtics improve their best-of-7 NBA playoff series record to 75-32 overall and 13-6 in the Preliminary round. With the series 1566 loss, the Miami Heat see their best-of-7 NBA playoff series record fall to 31-16 overall and 11-6 in the Preliminary round. The win order for the victorious Boston Celtics in series 1566 was WLWWW: Series 1566 thus becomes the ninth NBA Preliminary-round series, the 34th NBA series (all rounds), and the 93rd MLB/NBA/NHL series (all rounds) to follow that win order to completion. The series 1566 sum of victory margins was a total of 98 points, the largest such sum in a best-of-7 NBA playoff series lasting five games since series 1347, in which the Cleveland Cavaliers defeated the Boston Celtics in the 2017 NBA Semifinals (with a victory margin sum of 106 points). With their series 1566 victory, the Boston Celtics break a tie with the Lakers in Los Angeles for second-most best-of-7 MLB/NBA/NHL playoff series victories (Boston 75, Lakers in LA 74), second only to the NHL Montreal Canadiens with 80 such series victories.

After Game 4: The Boston Celtics visited and defeated the Miami Heat 102-pts-88 to take a best-of-7 MLB/NBA/NHL playoff series 1566 lead of 3-games-1. When leading a best-of-7 MLB/NBA/NHL playoff series 3-games-1, the Boston Celtics have a series record of 28-0 and a Game 5 record of 17-11. When trailing a best-of-7 MLB/NBA/NHL playoff series 3-games-1, the Miami Heat have a series record of 1-6 (with an active six-series losing streak) and a Game 5 record of 2-5. The sole best-of-7 NBA playoff series win by the Miami Heat in the wake of a 3-games-1 deficit was series 739, over the New York Knickerbockers in the 1997 NBA Quarterfinals.

After Game 3: The Boston Celtics visited and defeated the Miami Heat 104-pts-84 to take a best-of-7 MLB/NBA/NHL playoff series 1566 lead of 2-games-1. When leading a best-of-7 MLB/NBA/NHL playoff series 2-games-1, the Boston Celtics have a series record of 45-5 and a Game 4 record of 19-31. When trailing a best-of-7 MLB/NBA/NHL playoff series 2-games-1, the Miami Heat have a series record of 4-6 (with an active five-series losing streak) and a Game 4 record of 5-5.

After Game 2: The Miami Heat visited and defeated the Boston Celtics 111-pts-101 to tie best-of-7 MLB/NBA/NHL playoff series 1566 at 1-game-all. When tied 1-game-all in a best-of-7 MLB/NBA/NHL playoff series, the Boston Celtics have a series record of 30-15 and a Game 3 record of 24-21, while the Miami Heat have a series record of 12-9 and a Game 3 record of 14-7.

After Game 1: The Boston Celtics hosted and topped the Miami Heat 114-pts-94 to take a best-of-7 MLB/NBA/NHL playoff series 1566 lead of 1-game-nil. When leading a best-of-7 MLB/NBA/NHL playoff series 1-game-nil, the Boston Celtics have a series record of 60-8 and a Game 2 record of 43-25. When trailing a best-of-7 MLB/NBA/NHL playoff series 1-game-nil, the Miami Heat have a series record of 8-11 (with an active five-series losing streak) and a Game 2 record of 12-7. Leading a best-of-7 NBA playoff series 1-game-nil (as they now do in series 1566), the Boston Celtics have seen their Game 2 outcome presage their series outcome in their last seven such series (five wins, two losses).

Pre-series assessment: In the 2023-24 NBA regular season, the Boston Celtics finished 18 games ahead of the Miami Heat. From 1947 through the 2023 NBA Finals round, when NBA teams led their best-of-7 playoff series opponents by 18 regular-season games, they have posted a best-of-7 playoff series record of 9-0 (1.000) in those series against those opponents. MLB/NBA/NHL best-of-7 playoff series 1566 is the 107th best-of-7 NBA playoff series for the Boston Celtics, and the 47th for the Miami Heat. In best-of-7 NBA playoff series, the Boston Celtics have an all-rounds series record of 74-32, a Preliminary-round series record of 12-6, and a Game 1 record of 68-38, while the Miami Heat have an all-rounds series record of 31-15, a Preliminary-round series record of 11-5, and a Game 1 record of 27-19. Series 1566 is the seventh best-of-7 NBA playoff series meeting between the Boston Celtics and the Miami Heat. The Miami Heat won four of their previous six best-of-7 NBA playoff series with the Boston Celtics.