| Wednesday, 22 August 2018 |
| Colts League AGM |
| Sunday, 26 August 2018 |
| Bank Holiday |
| Sunday, 2 September 2018 |
| League Week 1 |
| Altrincham Kersal Senior U18 Colts | 31 | 7 | Vale of Lune Senior U18 Colts |
| Blackburn Senior U18 Colts | 17 | 22 | Newcastle (Staffs) Senior U18 Colts |
| Bowdon Senior U18 Colts | Liquidated Fixture | Liverpool Collegiate Senior U18 Colts |
| Sunday, 9 September 2018 |
| League Week 2 |
| Altrincham Kersal Senior U18 Colts | 29 | 15 | Blackburn Senior U18 Colts |
| Liverpool Collegiate Senior U18 Colts | 32 | 0 | Heaton Moor Senior U18 Colts |
| Newcastle (Staffs) Senior U18 Colts | Liquidated Fixture | Bowdon Senior U18 Colts |
| Vale of Lune Senior U18 Colts | 14 | 17 | Kirkby Lonsdale Senior U18 Colts |
| Sunday, 16 September 2018 |
| League Week 3 |
| Blackburn Senior U18 Colts | 17 | 38 | Vale of Lune Senior U18 Colts |
| Bowdon Senior U18 Colts | Liquidated Fixture | Altrincham Kersal Senior U18 Colts |
| Heaton Moor Senior U18 Colts | 10 | 17 | Newcastle (Staffs) Senior U18 Colts |
| Kirkby Lonsdale Senior U18 Colts | 21 | 13 | Liverpool Collegiate Senior U18 Colts |
| Sunday, 23 September 2018 |
| League Week 4 |
| Altrincham Kersal Senior U18 Colts | 21 | 17 | Heaton Moor Senior U18 Colts |
| Blackburn Senior U18 Colts | Liquidated Fixture | Bowdon Senior U18 Colts |
| Newcastle (Staffs) Senior U18 Colts | 10 | 13 | Kirkby Lonsdale Senior U18 Colts |
| Vale of Lune Senior U18 Colts | 10 | 12 | Liverpool Collegiate Senior U18 Colts |
| Sunday, 30 September 2018 |
| County Cup Round 1 |
| Sunday, 7 October 2018 |
| League Week 5 |
| Bowdon Senior U18 Colts | Liquidated Fixture | Vale of Lune Senior U18 Colts |
| Heaton Moor Senior U18 Colts | v | Blackburn Senior U18 Colts |
| Kirkby Lonsdale Senior U18 Colts | Away Walkover | Altrincham Kersal Senior U18 Colts |
| Liverpool Collegiate Senior U18 Colts | 24 | 28 | Newcastle (Staffs) Senior U18 Colts |
| Sunday, 14 October 2018 |
| League Week 6 |
| Altrincham Kersal Senior U18 Colts | v | Liverpool Collegiate Senior U18 Colts |
| Blackburn Senior U18 Colts | v | Kirkby Lonsdale Senior U18 Colts |
| Bowdon Senior U18 Colts | Liquidated Fixture | Heaton Moor Senior U18 Colts |
| Vale of Lune Senior U18 Colts | 43 | 8 | Newcastle (Staffs) Senior U18 Colts |
| Sunday, 21 October 2018 |
| League Week 7 |
| Heaton Moor Senior U18 Colts | 29 | 21 | Vale of Lune Senior U18 Colts |
| Kirkby Lonsdale Senior U18 Colts | Liquidated Fixture | Bowdon Senior U18 Colts |
| Liverpool Collegiate Senior U18 Colts | v | Blackburn Senior U18 Colts |
| Newcastle (Staffs) Senior U18 Colts | 8 | 26 | Altrincham Kersal Senior U18 Colts |
| Sunday, 28 October 2018 |
| Recovery Week |
| Heaton Moor Senior U18 Colts | 43 | 36 | Kirkby Lonsdale Senior U18 Colts |
| Sunday, 4 November 2018 |
| County Cup Round 2 |
| Sunday, 11 November 2018 |
| League Week 8 |
| Sunday, 18 November 2018 |
| League Week 9 |
| Sunday, 25 November 2018 |
| League Week 10 |
| Sunday, 2 December 2018 |
| Recovery Week |
| Sunday, 9 December 2018 |
| League Week 11 |
| Sunday, 16 December 2018 |
| Recovery Week |
| Sunday, 23 December 2018 |
| Recovery Week |
| Sunday, 30 December 2018 |
| Christmas Break |
| Sunday, 6 January 2019 |
| League Week 12 |
| Sunday, 13 January 2019 |
| Recovery Week |
| Sunday, 20 January 2019 |
| League Week 13 |
| Sunday, 27 January 2019 |
| Recovery Week |
| Sunday, 3 February 2019 |
| County Cup Quarter Finals |
| Sunday, 10 February 2019 |
| League Week 14 |
| Sunday, 17 February 2019 |
| Recovery Week |
| Sunday, 24 February 2019 |
| League Cup Round 1 |
| Sunday, 3 March 2019 |
| Recovery Week |
| Sunday, 10 March 2019 |
| League Cup Round 2 |
| Sunday, 17 March 2019 |
| Recovery Week |
| Sunday, 24 March 2019 |
| League Cup Quarter Finals |
| Sunday, 31 March 2019 |
| Recovery Week |
| Sunday, 7 April 2019 |
| League Cup Semi Finals |
| Sunday, 14 April 2019 |
| County Cup Semi Finals |
| Sunday, 21 April 2019 |
| Easter Break |
| Sunday, 28 April 2019 |
| County Cup Finals |
| Sunday, 5 May 2019 |
| League Cup Finals |