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 |
|---|---|---|---|
| 20 July 2025 | Tracton Woods, Co. Cork | MBCC | here |
| 21 July 2024 | Tonygarrow, Co. Wicklow | Team WORC | here |
| 23 July 2023 | Bellurgan Park, Co. Louth | Bellurgan Wheelers | here |
| 24 July 2022 | Bellurgan Park, Co. Louth | Bellurgan Wheelers | here |
| 28 Aug 2021 | Tinkerhill MX - Newry | Chain Reaction Cycles | here |
| 19 July 2020 | TBC | Carn Wheelers | Not run due to COVID-19 |
| 21 July 2019 | Tracton Woods | MBCC | here |
| 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 | here |
| 18 July 2009 | Dunmore Mountain | Dromara CC | here |
| 20 July 2008 | Killruddery | Team WORC | here |
| 23 July 2007 | Tollymore | Banbridge CC | here |
| 16 July 2006 | Killruddery | here | |
| 2005 | Killruddery | here | |
| 18 July 2004 | Killruddery | Team WORC | here |
| 2003 | Castlewellan | Xmtb | here |
| 21 July 2002 | Killruddery | here | |
| 2001 | Killruddery | here | |
| 6 Aug 2000 | Union Wood, Sligo | here | |
| 25 July 1999 | Carrickbyrne, Co.Wexford | Barrow Wheelers | here |
| 26 July 1998 | Phoenix Park, Dublin | Cycle Ways / MAD | here |
| 28 Sept 1997 | Rosenallis, Co.Laoise | here | |
| 1996 | here | ||
| 1995 | here | ||
| 1994 | Killruddery | Bray Wheelers | here |
