The Biggest Boston Celtics Blown Leads Of All Time

What is the biggest Boston Celtics blown lead of all time?

The Boston Celtics have blown a 30 point lead on 2 separate occasions. The most recent 30 point blown lead was when the Celtics were leading 68-38 in the 2nd quarter against the Atlanta Hawks on Mar 25, 2024, and ended up losing the game 118-120.

Biggest Boston Celtics Collapses

	Date	Opponent	Largest Lead		Final Score
1	Mon, Mar 25, 2024	@ Atlanta Hawks	30	68-38, 2nd	118-120
	Fri, Mar 25, 1988	vs Philadelphia 76ers	30	75-45, 3rd	93-97
3	Fri, Dec 5, 2003	vs Phoenix Suns	29	65-36, 3rd	106-110
4	Fri, Mar 3, 2023	vs Brooklyn Nets	28	51-23, 2nd	105-115
	Sat, Feb 9, 2019	vs Los Angeles Clippers	28	68-40, 2nd	112-123
6	Fri, Jan 25, 2013	@ Atlanta Hawks	27	48-21, 2nd	111-123
7	Sun, Mar 1, 2015	vs Golden State Warriors	26	56-30, 2nd	101-106
8	Thu, Jan 6, 2022	@ New York Knicks	25	57-32, 2nd	105-108
	Sat, Nov 11, 2006	@ Cleveland Cavaliers	25	70-45, 3rd	93-94
	Thu, Mar 16, 2006	@ Miami Heat	25	61-36, 2nd	104-107
11	Sun, Feb 21, 2021	@ New Orleans Pelicans	24	79-55, 3rd	115-120
12	Tue, Dec 2, 2014	@ Atlanta Hawks	23	53-30, 2nd	105-109
13	Tue, Mar 5, 2024	@ Cleveland Cavaliers	22	93-71, 4th	104-105
	Fri, Nov 1, 2013	vs Milwaukee Bucks	22	72-50, 3rd	98-105
	Sat, Dec 15, 1973	@ Phoenix Suns	22	68-46, 3rd	120-121
16	Tue, Mar 3, 2020	vs Brooklyn Nets	21	71-50, 3rd	120-129
	Sun, Jan 10, 2016	@ Memphis Grizzlies	21	61-40, 3rd	98-101
	Wed, Dec 18, 2013	vs Detroit Pistons	21	44-23, 2nd	106-107
	Fri, Nov 26, 1999	vs Milwaukee Bucks	21	84-63, 3rd	112-114
	Fri, Jan 24, 1997	vs Orlando Magic	21	41-20, 2nd	117-121
	Thu, Nov 12, 1964	vs Philadelphia 76ers	21	68-47, 3rd	109-110
22	Wed, Mar 14, 2018	vs Washington Wizards	20	51-31, 2nd	124-125
	Sun, Mar 8, 2015	@ Orlando Magic	20	37-17, 2nd	98-103
	Sun, Dec 5, 2004	@ Sacramento Kings	20	38-18, 2nd	105-119
	Sat, Feb 23, 2002	@ Houston Rockets	20	29-9, 1st	89-99
	Mon, Feb 28, 2000	vs Dallas Mavericks	20	78-58, 3rd	100-108
	Fri, Mar 7, 1997	vs New York Knicks	20	65-45, 2nd	102-113
	Tue, Jan 18, 1966	vs Detroit Pistons	20	71-51, 3rd	115-116
29	Sat, Mar 18, 2023	@ Utah Jazz	19	53-34, 2nd	117-118
	Mon, Oct 24, 2022	@ Chicago Bulls	19	35-16, 1st	102-120
	Sat, Dec 25, 2021	@ Milwaukee Bucks	19	46-27, 2nd	113-117
	Sat, Nov 13, 2021	@ Cleveland Cavaliers	19	72-53, 3rd	89-91
	Mon, Nov 1, 2021	vs Chicago Bulls	19	96-77, 3rd	114-128
	Fri, Nov 14, 2014	vs Cleveland Cavaliers	19	103-84, 4th	121-122
	Sat, Apr 5, 2014	@ Detroit Pistons	19	82-63, 3rd	111-115
	Wed, Apr 20, 2005	vs New Jersey Nets	19	49-30, 2nd	93-102
	Fri, Dec 2, 1994	vs Phoenix Suns	19	36-17, 2nd	102-107
	Fri, Feb 9, 1962	vs Philadelphia Warriors	19	103-84, 4th	124-126
39	Mon, Nov 20, 2023	@ Charlotte Hornets	18	53-35, 2nd	118-121
	Sun, Mar 8, 2020	vs Oklahoma City Thunder	18	63-45, 2nd	104-105
	Sat, Mar 23, 2019	@ Charlotte Hornets	18	112-94, 4th	117-124
	Thu, Feb 7, 2019	vs Los Angeles Lakers	18	59-41, 2nd	128-129
	Mon, Nov 5, 2018	@ Denver Nuggets	18	34-16, 1st	107-115
	Sat, Mar 5, 2016	@ Cleveland Cavaliers	18	35-17, 1st	103-120
	Wed, Nov 18, 2015	vs Dallas Mavericks	18	31-13, 1st	102-106
	Tue, Dec 31, 2013	vs Atlanta Hawks	18	42-24, 2nd	91-92
	Sat, Dec 21, 2013	vs Washington Wizards	18	32-14, 2nd	99-106
	Fri, May 18, 2012	@ Philadelphia 76ers	18	49-31, 3rd	83-92
	Mon, Dec 28, 2009	@ Golden State Warriors	18	35-17, 1st	99-103
	Wed, Mar 21, 2007	vs Charlotte Bobcats	18	69-51, 3rd	84-92
	Wed, Jan 24, 2007	vs Atlanta Hawks	18	53-35, 3rd	76-82
	Wed, Nov 3, 2004	vs Philadelphia 76ers	18	71-53, 3rd	95-98
	Thu, Feb 12, 1998	@ Utah Jazz	18	41-23, 2nd	100-118
	Fri, Dec 6, 1996	vs New Jersey Nets	18	60-42, 2nd	108-110

What is the biggest 4th quarter collapse in Boston Celtics history?

The largest 4th quarter collapse in the franchise history of the Boston Celtics is 22 points. On Mar 5, 2024, the Celtics were ahead 93-71 in the 4th quarter against the Cleveland Cavaliers and gave up the lead and lost the game 104-105.

NBA play-by-play data only goes back to the 1996-97 season, and thus most blown leads before that season are approximated based on the box score, which might underestimate what the true largest lead was. These are labeled with a yellow underline. Read more details about historical NBA comebacks on our accuracy and fact checking page.

Biggest All Time Boston Celtics Blown Leads

What is the biggest Boston Celtics blown lead of all time?

Biggest Boston Celtics Collapses

What is the biggest 4th quarter collapse in Boston Celtics history?