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Boston Celtics history
NBA · 18 seasons · 2009-10–2026-27 · as the Boston Celtics
The Boston Celtics are 829-528 in NBA regular-season play across 18 seasons (2009-10–2026-27); their best season was 2023-24 (64-18); and their longest winning streak in a season is 16 games (Oct 20 – Nov 20, 2017).
- All-time record
- 829-528
- 2009-10–2026-27, regular season
- Best season
- 64-18
- 2023-24
- Worst season
- 25-57
- 2013-14
- Longest win streak
- 16 games
- Oct 20 – Nov 20, 2017
Season by season
| Season | Record | Home | Away | Longest win streak | Games |
|---|---|---|---|---|---|
| 2026-27 current | — | — | — | — | 84 |
| 2025-26 | 56-26 | 30-11 | 26-15 | 5 · Nov 30 – Dec 7, 2025 | 93 |
| 2024-25 | 61-21 | 28-13 | 33-8 | 9 · Mar 14 – Mar 31, 2025 | 98 |
| 2023-24 best | 64-18 | 37-4 | 27-14 | 11 · Feb 4 – Mar 3, 2024 | 106 |
| 2022-23 | 57-25 | 32-9 | 25-16 | 9 · Nov 4 – Nov 18, 2022 | 106 |
| 2021-22 | 51-31 | 28-13 | 23-18 | 9 · Jan 29 – Feb 15, 2022 | 110 |
| 2020-21 | 36-36 | 21-15 | 15-21 | 6 · Apr 7 – Apr 17, 2021 | 82 |
| 2019-20 | 48-24 | 26-10 | 22-14 | 10 · Oct 25 – Nov 15, 2019 | 94 |
| 2018-19 | 49-33 | 28-13 | 21-20 | 8 · Nov 26 – Dec 14, 2018 | 95 |
| 2017-18 | 55-27 | 27-14 | 28-13 | 16 · Oct 20 – Nov 20, 2017 | 105 |
| 2016-17 | 53-29 | 30-11 | 23-18 | 7 · Jan 25 – Feb 5, 2017 | 107 |
| 2015-16 | 48-34 | 28-13 | 20-21 | 5 · Jan 22 – Jan 29, 2016 | 94 |
| 2014-15 | 40-42 | 21-20 | 19-22 | 6 · Apr 4 – Apr 15, 2015 | 94 |
| 2013-14 worst | 25-57 | 16-25 | 9-32 | 4 · Nov 6 – Nov 11, 2013 | 90 |
| 2012-13 | 41-40 | 27-13 | 14-27 | 7 · Jan 27 – Feb 10, 2013 | 94 |
| 2011-12 | 39-27 | 24-9 | 15-18 | 5 · Jan 31 – Feb 7, 2012 | 88 |
| 2010-11 | 56-26 | 33-8 | 23-18 | 14 · Nov 22 – Dec 22, 2010 | 97 |
| 2009-10 | 50-32 | 24-17 | 26-15 | 11 · Nov 22 – Dec 14, 2009 | 112 |
Records are regular season only. Best and worst are judged among seasons at least half played.
Franchise records
Regular season, as the Boston Celtics, 2009-10–2026-27. Streaks are the longest run within a single season.
- Longest winning streak
- 16 games · Oct 20 – Nov 20, 2017
- Longest losing streak
- 9 games · Dec 31, 2013 – Jan 13, 2014
- Biggest win
- 133-77 vs Chicago Bulls · Dec 8, 2018
- Biggest loss
- 117-150 vs Oklahoma City Thunder · Jan 3, 2023
Most-played opponents
All-time series since 2009-10, from the Boston Celtics' side.
| Opponent | Meetings | Series |
|---|---|---|
| vs Philadelphia 76ers | 111 | 69-42 |
| vs Miami Heat | 103 | 62-41 |
| vs New York Knicks | 99 | 60-39 |
| vs Cleveland Cavaliers | 92 | 51-41 |
| vs Toronto Raptors | 91 | 57-34 |
| vs Atlanta Hawks | 78 | 43-35 |
| vs Milwaukee Bucks | 78 | 44-34 |
| vs Brooklyn Nets | 75 | 49-26 |
Boston Celtics history: quick answers
- What is the Boston Celtics' all-time record?
- 829-528 in NBA regular-season games from 2009-10–2026-27 (18 seasons on this site).
- What was the Boston Celtics' best season?
- 2023-24, when they went 64-18 in the regular season.
- What is the Boston Celtics' longest winning streak?
- 16 straight regular-season wins within a season, from Oct 20 – Nov 20, 2017.
- Which team have the Boston Celtics played most?
- Philadelphia 76ers: 111 meetings since 2009-10, with the Boston Celtics 69-42 in the series.
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