Results from the 2012 Ulster Cross-country mountain-bike races are shown below.
| Round | Date | Club | Venue | Results |
|---|---|---|---|---|
| 1 | 15 April | Strabane/Lifford CC | Ballykelly Forest | here |
| 2 | 27 May | Xmtb McConvey Cycles | Lady Dixon Park | here |
| 3 | 24 June | Carn Wheelers | Davagh Forest | here |
| 4 | 30 June | Dromara CC | Dunmore Mtn | here |
| 5 | 12 August | Carn Wheelers | Garvagh Forest | here |
| C | 19 August | Xmtb McConvey Cycles | Castlewellan Forest | here |
| 6 | 2 September | Apollo CT | Craigavon Watersports Centre | here |
Ulster XC 2012 overall series table – here