[10][11] Following relegation to League Two at the end of the 2015–16 season, Colchester made a return to the fourth tier of English football for the first time in 18-years.
[12] Colchester United's first team have competed in leagues in five different tiers of English football, and their record against each club faced in those competitions is summarised below.
They have also recorded more league victories against Swindon, beating them 31 times, while the greatest number of draws have come against Gillingham, with 24 matches drawn in 76 meetings.
Exeter City and Peterborough United have defeated Colchester more times than any other teams, recording 31 victories in 78 and 70 encounters respectively.
Only Accrington Stanley (reformed), Burton Albion, Manchester City and Middlesbrough have a 100% win record against the U's.