| Runs |
Out of |
4s |
6s |
| 122 | 161 | 20 | 7 | | A Lyth | Yorkshire v Northamptonshire | Headingley, Leeds | 2017 |
| 136 | 152* | 10 | 16 | | GR Napier | Essex v Sussex | The Ford County Ground, Chelmsford | 2008 |
| 130 | 151* | 10 | 15 | | CH Gayle | Somerset v Kent | County Ground, Taunton | 2015 |
| 118 | 158* | 13 | 11 | | BB McCullum | Warwickshire v Derbyshire | Edgbaston, Birmingham | 2015 |
| 114 | 153* | 12 | 11 | | LJ Wright | Sussex v Essex | The Essex County Ground, Chelmsford | 2014 |
| 108 | 129 | 12 | 10 | | DT Christian | Middlesex v Kent | Spitfire Ground, St Lawrence, Canterbury | 2014 |
| 104 | 127 | 14 | 8 | | T Kohler-Cadmore | Worcestershire v Durham | County Ground, New Road, Worcester | 2016 |
| 104 | 135 | 14 | 8 | | KS Carlson | Glamorgan v Somerset | Sophia Gardens, Cardiff | 2024 |
| 110 | 139* | 11 | 11 | | JM Cox | Essex v Hampshire | Ambassador Cruise Line Ground, Chelmsford | 2025 |
| 90 | 112 | 18 | 3 | | A Symonds | Kent v Middlesex | Mote Park, Maidstone | 2004 |
| 112 | 129 | 7 | 14 | | CS Delport | Essex v Surrey | The Cloudfm County Ground, Chelmsford | 2019 |
| 92 | 141* | 14 | 6 | | CL White | Somerset v Worcestershire | County Ground, New Road, Worcester | 2006 |
| 90 | 117 | 15 | 5 | | MJ Prior | Sussex v Glamorgan | County Ground, Hove | 2010 |
| 96 | 124* | 12 | 8 | | JM Clarke | Worcestershire v Durham | County Ground, New Road, Worcester | 2017 |
| 96 | 123 | 12 | 8 | | IA Cockbain | Gloucestershire v Middlesex | Brightside Ground, Bristol | 2018 |
| 84 | 110* | 15 | 4 | | RE Levi | Northamptonshire v Gloucestershire | College Ground, Cheltenham | 2013 |
| 90 | 102 | 12 | 7 | | MJ Guptill | Worcestershire v Northamptonshire | County Ground, Northampton | 2018 |
| 92 | 117* | 11 | 8 | | AJ Finch | Surrey v Middlesex | The Kia Oval, Kennington | 2018 |
| 82 | 103* | 16 | 3 | | JG Myburgh | Somerset v Essex | The Cooper Associates County Ground, Taunton | 2018 |
| 90 | 115 | 12 | 7 | | MM Ali | Worcestershire v Warwickshire | Edgbaston, Birmingham | 2018 |
| 98 | 121* | 8 | 11 | | MM Ali | Worcestershire v Sussex | The 1st Central County Ground, Hove | 2019 |
| 96 | 119 | 9 | 10 | | PR Stirling | Warwickshire v Northamptonshire | Edgbaston, Birmingham | 2022 |
| 96 | 129* | 9 | 10 | | JM Vince | Hampshire v Somerset | The Cooper Associates County Ground, Taunton | 2022 |
| 90 | 113* | 12 | 7 | | CB Cooke | Glamorgan v Middlesex | Merchant Taylors' School Ground, Northwood | 2023 |
| 82 | 111* | 16 | 3 | | JH Wharton | Yorkshire v Worcestershire | Headingley, Leeds | 2023 |
| 78 | 108 | 18 | 1 | | RS Bopara | Sussex v Kent | Spitfire Ground, St Lawrence, Canterbury | 2023 |
| 86 | 116* | 11 | 7 | | IJ Thomas | Glamorgan v Somerset | County Ground, Taunton | 2004 |
| 76 | 108* | 16 | 2 | | IJ Harvey | Yorkshire v Lancashire | Headingley, Leeds | 2004 |
| 84 | 105 | 12 | 6 | | BF Smith | Worcestershire v Glamorgan | County Ground, New Road, Worcester | 2005 |
| 88 | 110 | 10 | 8 | | GA Hick | Worcestershire v Northamptonshire | Chester Road North, Kidderminster | 2007 |
| 78 | 107 | 15 | 3 | | ME Trescothick | Somerset v Worcestershire | County Ground, Taunton | 2008 |
| 80 | 124* | 14 | 4 | | MJ Lumb | Hampshire v Essex | The Rose Bowl, Southampton | 2009 |
| 86 | 111 | 11 | 7 | | WJ Durston | Derbyshire v Nottinghamshire | Trent Bridge, Nottingham | 2010 |
| 94 | 119 | 7 | 11 | | KJ O'Brien | Gloucestershire v Middlesex | Uxbridge Cricket Club Ground, Uxbridge | 2011 |
| 76 | 114 | 16 | 2 | | SA Northeast | Kent v Somerset | County Ground, Taunton | 2015 |
| 78 | 120* | 15 | 3 | | JJ Roy | Surrey v Kent | The Kia Oval, Kennington | 2016 |
| 86 | 110 | 11 | 7 | | MH Wessels | Nottinghamshire v Derbyshire | Trent Bridge, Nottingham | 2017 |
| 80 | 101 | 14 | 4 | | AD Hales | Nottinghamshire v Yorkshire | Trent Bridge, Nottingham | 2017 |
| 90 | 95 | 9 | 9 | | AD Hales | Nottinghamshire v Durham | Trent Bridge, Nottingham | 2017 |
| 86 | 127 | 11 | 7 | | JL Denly | Kent v Essex | The Cloudfm County Ground, Chelmsford | 2017 |
| 92 | 113 | 8 | 10 | | BA Raine | Leicestershire v Warwickshire | Edgbaston, Birmingham | 2018 |
| 86 | 131 | 11 | 7 | | IR Bell | Warwickshire v Northamptonshire | Edgbaston, Birmingham | 2018 |
| 86 | 117 | 11 | 7 | | DJ Malan | Middlesex v Surrey | The Kia Oval, Kennington | 2019 |
| 88 | 118* | 10 | 8 | | JP Inglis | Leicestershire v Worcestershire | Uptonsteel County Ground, Leicester | 2021 |
| 82 | 110* | 13 | 5 | | CA Lynn | Northamptonshire v Leicestershire | County Ground, Northampton | 2023 |
| 84 | 118* | 12 | 6 | | LJ Evans | Surrey v Glamorgan | Sophia Gardens, Cardiff | 2023 |
| 82 | 104 | 13 | 5 | | RK Patel | Leicestershire v Northamptonshire | County Ground, Northampton | 2024 |
| 90 | 120* | 9 | 9 | | MS Pepper | Essex v Sussex | The 1st Central County Ground, Hove | 2024 |
| 92 | 116 | 8 | 10 | | JM Bairstow | Yorkshire v Lancashire | Emirates Old Trafford, Manchester | 2025 |
