The Boston Celtics had their best record with 55+ games played in a season in 1972-73, with a record of 68-14.

Interpreted as:

celtics best record in a regular season through 55 or more games

	TEAM	REC	GP	SEASON	W%	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF
1	Celtics	68-14	82	1972-73	.829	240.6	112.7	58.6	28.3			46.5	103.8	44.8				19.7	25.3	78.0	49.0				19,730	9,238	4,802	2,320				1,805
2	Celtics	67-15	82	1985-86	.817	242.1	114.1	46.4	29.1	7.8	6.2	45.3	89.2	50.8	1.7	4.8	35.1	21.8	27.4	79.4	56.4	12.9	33.6	16.6	19,855	9,359	3,807	2,387	641	511	1,360	1,756
3	Celtics	66-16	82	2007-08	.805	240.9	100.5	42.0	22.4	8.5	4.6	36.4	76.7	47.5	7.3	19.1	38.1	20.5	26.5	77.1	56.9	10.1	31.9	15.2	19,755	8,245	3,445	1,833	696	379	1,246	1,864
4	Celtics	59-16	75	1959-60	.787	241.0	124.5	80.2	24.7			49.9	119.6	41.7				24.7	33.6	73.4	46.3				18,075	9,337	6,014	1,849				1,856
5	Celtics	64-18	82	2023-24	.780	241.8	120.6	46.3	26.9	6.8	6.6	43.9	90.2	48.7	16.5	42.5	38.8	16.3	20.2	80.7	60.9	10.7	35.6	11.9	19,830	9,887	3,799	2,207	557	538	979	1,326
6	Celtics	62-18	80	1964-65	.775	240.9	112.8	71.9	22.2			44.6	107.6	41.4				23.6	32.3	73.1	46.3				19,275	9,024	5,748	1,772				2,065
7	Celtics	63-19	82	1984-85	.768	240.3	114.8	45.7	27.9	7.9	5.0	45.4	89.3	50.8	1.3	3.8	35.6	22.7	28.1	80.6	56.4	13.6	32.1	16.2	19,705	9,412	3,746	2,287	645	414	1,332	1,781
8	Celtics	63-19	82	1981-82	.768	241.2	112.0	45.6	25.9	8.0	6.9	44.6	89.4	49.9	0.6	2.2	26.6	22.2	30.0	74.0	54.5	15.3	30.4	17.7	19,780	9,180	3,742	2,126	652	568	1,452	2,014
9	Celtics	62-20	82	2008-09	.756	242.4	100.9	42.1	22.7	7.6	4.7	37.5	77.2	48.6	6.6	16.5	39.7	19.4	25.3	76.5	57.1	10.6	31.5	15.6	19,880	8,275	3,455	1,862	621	387	1,280	1,897
10	Celtics	62-20	82	1983-84	.756	243.4	112.1	45.1	25.9	8.2	5.2	44.1	88.2	50.0	0.7	2.8	24.0	23.3	29.4	79.2	55.4	14.1	31.0	17.3	19,955	9,194	3,697	2,122	673	430	1,420	1,949
11	Celtics	62-20	82	1980-81	.756	241.2	109.9	43.6	26.9	8.3	7.2	43.7	86.6	50.4	0.8	2.9	27.0	21.7	28.9	75.2	55.3	14.1	29.6	19.2	19,780	9,008	3,579	2,202	683	594	1,577	1,990
12	Celtics	60-20	80	1961-62	.750	240.9	121.1	76.0	25.6			48.2	113.9	42.3				24.7	33.9	72.8	47.0				19,275	9,687	6,080	2,049				1,909
13	Celtics	61-21	82	2024-25	.744	241.8	116.3	45.3	26.1	7.2	5.5	41.6	90.0	46.2	17.8	48.2	36.8	15.3	19.1	79.9	59.1	11.4	33.9	11.9	19,830	9,534	3,716	2,144	589	452	973	1,303
14	Celtics	61-21	82	1979-80	.744	242.4	113.5	44.9	26.8	9.9	3.8	44.1	90.1	49.0	2.0	5.1	38.4	23.3	29.9	77.9	55.0	15.0	30.0	18.8	19,880	9,303	3,684	2,198	809	308	1,539	1,974
15	Celtics	60-21	81	1966-67	.741	242.2	119.3	70.4	24.2			46.0	102.8	44.7				27.4	36.6	74.8	50.2				19,615	9,664	5,703	1,962				2,138
16	Celtics	59-21	80	1963-64	.738	240.9	113.0	71.7	22.0			45.2	109.6	41.3				22.6	31.1	72.5	45.8				19,275	9,042	5,736	1,760				2,125
17	Celtics	60-22	82	1974-75	.732	240.9	106.5	52.0	26.3	8.1	3.5	43.7	95.4	45.8				19.0	24.0	79.1	50.2	16.0	36.0	19.8	19,755	8,734	4,264	2,159	662	288	1,625	1,913
18	Celtics	58-22	80	1962-63	.725	240.9	118.8	72.7	24.5			46.8	109.7	42.7				25.2	34.7	72.5	47.5				19,275	9,504	5,818	1,960				2,090
19	Celtics	52-20	72	1958-59	.722	242.8	116.4	77.8	21.8			44.6	112.7	39.5				27.3	35.6	76.6	45.3				17,480	8,379	5,601	1,568				1,769
20	Celtics	57-22	79	1960-61	.722	241.3	119.7	77.6	23.7			46.8	117.7	39.8				26.1	35.6	73.3	44.9				19,060	9,460	6,131	1,872				2,032
21	Celtics	59-23	82	1986-87	.720	241.5	112.6	42.9	29.5	6.8	6.4	44.5	86.0	51.7	2.5	6.9	36.6	21.2	26.3	80.8	57.7	11.4	31.5	15.9	19,805	9,237	3,518	2,421	561	526	1,300	1,710
22	Celtics	57-25	82	2022-23	.695	243.7	117.9	45.3	26.7	6.4	5.2	42.2	88.8	47.5	16.0	42.6	37.7	17.5	21.6	81.2	60.0	9.7	35.6	13.4	19,980	9,671	3,717	2,186	521	430	1,095	1,542
23	Celtics	57-25	82	1987-88	.695	241.2	113.6	41.1	29.9	7.6	5.1	43.9	84.2	52.1	3.3	8.6	38.4	22.5	28.0	80.3	58.8	11.3	29.8	15.9	19,780	9,315	3,370	2,448	620	415	1,304	1,804
24	Celtics	56-26	82	2010-11	.683	241.2	96.5	38.8	23.4	8.2	4.2	36.9	75.8	48.6	5.0	13.6	36.5	17.8	23.1	77.0	56.1	7.8	31.0	14.6	19,780	7,913	3,181	1,921	676	344	1,195	1,678
25	Celtics	56-26	82	1990-91	.683	241.5	111.5	46.2	26.3	8.2	6.9	45.1	88.0	51.2	1.3	4.2	31.5	20.1	24.4	82.4	56.5	13.3	32.9	16.1	19,805	9,145	3,785	2,160	672	565	1,320	1,695