The cross-country national championships is a UCI event which takes in July each year. Below is a table showing results from national championships.
| Date | Location | Host club | Results |
|---|---|---|---|
| 21 July 2019 | Tracton Woods | MBCC | |
| 22 July 2018 | Castlewellan Forest | Banbridge CC | here |
| 23 July 2017 | Djouce Woods | EPIC MTB | here |
| 17 July 2016 | Bellurgan Park, Co. Louth | Cuchulainn CC | here |
| 19 July 2015 | Bike Park Ireland | BikePark Ireland, Off-road Commission | here |
| 20 July 2014 | Fossa, Killarney | Killarney CC | here |
| 21 July 2013 | Garvagh Forest | Carn Wheelers | here |
| 22 July 2012 | Djouce Woods | Team WORC | here |
| 17 July 2011 | Killruddery | Team WORC | here |
| 18 July 2010 | Djouce Woods | Epic MTB | |
| 18 July 2009 | Dunmore Mountain | Dromara CC | here |