What is the longest a side has gone unbeaten?

Consecutive matches without defeat, counted across every competition a side played — which is how a run is lived, and how it ends.

Bayer 04 Leverkusen Fußball went 55 matches — the longest run in the archive, ending in 2024.

What is the longest a side has gone unbeaten?
Side	Matches unbeaten	Ended
1. Bayer 04 Leverkusen Fußball · Fußball-Bundesliga	55	18 mag 2024
2. Juventus FC · Serie A	52	31 ott 2012
3. Klaksvíkar Ítróttarfelag · UEFA Champions League	47	21 lug 2026
4. Real Madrid CF · UEFA Champions League	45	1 giu 2024
5. Al-Hilal Club · AFC Champions League	45	18 nov 2017
6. Fudbalski klub Crvena zvezda · Super Liga	43	16 lug 2021
7. Paris Saint-Germain FC · Ligue 1	41	28 dic 2022
8. FK Bačka Topola · Super Liga	41	29 set 2019
9. Virtus Entella · Serie B	40	14 set 2025
10. Kawasaki Frontale · J1 League	40	21 ago 2021
11. F.C. Barcelona · LaLiga Spagnola	40	7 apr 2018
12. Ross County Football Club · Premiership	40	14 set 2012
13. Jeonbuk Motors · K League 1	37	2 ott 2016
14. Futebol Clube do Porto · Liga Portugal	37	23 set 2011
15. FC Inter · Serie A	36	28 apr 2024
16. Fudbalski klub Crvena zvezda · Super Liga	36	19 ago 2023
17. Celtic Football Club · Premiership	36	19 ago 2017
18. Sestao River Club · Copa del Rey	35	12 nov 2022
19. Fotballklubben Bodø/Glimt · Campionato norvegese di calcio	35	10 apr 2022
20. Asociația Fotbal Club Hermannstadt · Liga I	35	21 lug 2018
21. Futbol'nyj Klub Šachtar Donec'k · Prem'er-Liha	35	3 nov 2012
22. Manchester City FC · Premier League	34	19 mag 2024
23. Fussballclub Red Bull Salzburg · Bundesliga	34	31 mar 2018
24. Fudbalski klub Partizan · Super Liga	34	22 lug 2017
25. Hrvatski Nogometni Klub Rijeka · HNL	34	29 apr 2017

Showing the major competitions. Include every competition

A draw continues a run; a defeat ends it. Matches are taken in order of kick-off, so a run can cross a season or a change of division. The league shown is the one the run ended in.