| Date | | Event | | Start | | Type | | Link |
| 13 Mar 10 |  | Glenariff Mountain Race GP | | | | Mountain |
| |
| 13 Mar 10 | | Sperrin’s Winter League - An Creagan | | 12.30 | | Other |
| |
| 13 Mar 10 | | British Masters Open XC Champs | | | | Cross Country |
| |
| 14 Mar 10 | | Jimmy’s 10, Downpatrick | | | | Road |
| |
| 20 Mar 10 | | Premier Power Larne Half Marathon | | 1300 | | Road |
| link |
| 27 Mar 10 | | Omagh Half Marathon & 4 Mile Fun Run | | | | Road |
| |
| 27 Mar 10 | | Sperrin Duathlon Race 3 | | | | Other |
| |
| 27 Mar 10 | | Wicklow Way Trail/Ultra | | | | |
| link |
| 28 Mar 10 | | Winter Duathlon Series - Phoenix Park | | | | Other |
| link |
| 31 Mar 10 | | Queens 5k | | 19.00 | | Road |
| link |
| 3 Apr 10 | | Race over the Glens (Revised Date) | | 12:00 | | Other |
| link |
| 8 Apr 10 | | Castlewellan H&D | | | | Mountain |
| link |
| 10 Apr 10 | | Silent Valley NIC BC GP | | | | Mountain |
| link |
| 11 Apr 10 | | Black Mountain (Cooleys) | | | | Mountain |
| link |
| 11 Apr 10 | | Titanic Quarter 10K | | | | Road |
| link |
| 15 Apr 10 | | Tollymore H&D | | | | Mountain |
| link |
| 18 Apr 10 | | Run Armagh 10k | | | | Road |
| link |
| 22 Apr 10 | | Slieve Martin H&D GP | | | | Mountain |
| link |
| 24 Apr 10 | | Cooley Legends Half Marathon | | 1000 | | Other |
| link |
| 24 Apr 10 | | NIMRA Training Day | | | | Mountain |
| link |
| 25 Apr 10 | | North West Duathlon | | | | Other |
| |
| 29 Apr 10 | | Binnian to the Top | | | | Mountain |
| link |
| 1 May 10 | | Mournes Navigation GP | | | | Mountain |
| link |
| 1 May 10 | | Croagh Patrick IC | | | | Mountain |
| |
| 1 May 10 | | Achill Island Mountain Marathon | | | | Mountain |
| link |
| 3 May 10 | | Belfast City Marathon | | 09.00 | | Road |
| link |
| 6 May 10 | | Moughanmore H&D | | | | Mountain |
| link |
| 9 May 10 | | Termoneeny 10k & 5k Fun run | | | | Road |
| |
| 11 May 10 | | East Antrim Trail Series Race 1 | | | | Other |
| |
| 13 May 10 | | Rocky H&D | | | | Mountain |
| link |
| 14 May 10 | | Les Jones Memorial 10k | | 19.00 | | Road |
| link |
| 15 May 10 | | Annalong Horseshoe NIC | | | | Mountain |
| link |
| 19 May 10 | | Bann 10k & Fun Run | | | | Road |
| |
| 20 May 10 | | Slieve Muck | | | | Mountain |
| link |
| 20 May 10 | | Wilkies 5 Mile Classic | | | | Road |
| |
| 22 May 10 | | Ecos 5, Ballymena | | 13.00 | | Road |
| link |
| 25 May 10 | | East Antrim Trail Series Race 2 | | | | Other |
| |
| 27 May 10 | | Meelbeg/Meelmore H&D GP | | | | Mountain |
| link |
| 29 May 10 | | Jura, Scotland | | | | Mountain |
| |
| 31 May 10 | | Newry City Marathon & Half Marathon | | | | Road |
| |
| 3 Jun 10 | | Hen & Rocky H&D | | | | Mountain |
| link |
| 6 Jun 10 | | Carrauntoohil IC | | | | Mountain |
| |
| 8 Jun 10 | | East Antrim Trail Series Race 3 | | | | Other |
| |
| 10 Jun 10 | | Loughshannagh Horseshoe H&D | | | | Mountain |
| link |
| 12 Jun 10 | | Enniskillen Rotary 10k | | | | Road |
| |
| 12 Jun 10 | | Mourne Way Marathon | | | | Other |
| link |
| 13 Jun 10 | | IMRA European Trial | | | | Mountain |
| |
| 16 Jun 10 | | Lisburn Half Marathon | | | | Road |
| |
| 17 Jun 10 | | Monument (Tollymore) H&D | | | | Mountain |
| link |
| 19 Jun 10 | | Dromore (Co.Tyrone) 10K | | | | Road |
| |
| 20 Jun 10 | | Flagstaff to Carlingford GP | | | | Mountain |
| link |
| 20 Jun 10 | | Randalstown 10k & 3k | | | | Road |
| |
| 22 Jun 10 | | East Antrim Trail Series Race 4 | | | | Other |
| |
| 24 Jun 10 | | Round the Bridges | | | | Road |
| |
| 26 Jun 10 | | Slieve Donard GP | | | | Mountain |
| link |
| 26 Jun 10 | | Loughinisland GAC 5.05 & Fun Run | | | | Road |
| |
| 26 Jun 10 | | Sedbergh, Cumbria BC | | | | Mountain |
| |
| 2 Jul 10 | | Ards Half Marathon | | | | Road |
| |
| 3 Jul 10 | | Lugnacoille IC | | | | Mountain |
| |
| 3 Jul 10 | | Slieve Bernagh NIC | | | | Mountain |
| link |
| 17 Jul 10 | | Ireland Coast to Coast Multisport Race | | | | Other |
| link |
| 20 Jul 10 | | Riada 5 Mile, Ballymoney | | | | Road |
| |
| 20 Jul 10 | | Portaferry 10 Mile | | | | Road |
| |
| 24 Jul 10 | | Snowdon | | | | Mountain |
| |
| 31 Jul 10 | | Dollar, Scotland BC | | | | Mountain |
| |
| 1 Aug 10 | | Galtymore, Tipperary IC | | | | Mountain |
| |
| 6 Aug 10 | | Sperrin Harriers 5 Mile Classic | | 19.30 | | Road |
| |
| 7 Aug 10 | | Seven Sevens NIC | | | | Mountain |
| link |
| 11 Aug 10 | | Downpatrick RGU 10k | | | | Road |
| |
| 14 Aug 10 | | Scott & Gault Memorial 10k | | | | Road |
| |
| 14 Aug 10 | | Lurig GP | | | | Mountain |
| link |
| 14 Aug 10 | | IMRA World Trial | | | | Mountain |
| |
| 21 Aug 10 | | Darragh Cross 6 Mile & Fun Run | | | | Road |
| |
| 27 Aug 10 | | Killyleagh 5 | | | | Road |
| |
| 28 Aug 10 | | Donard & Commedagh NIC IC | | | | Mountain |
| link |
| 28 Aug 10 | | World Masters Poland | | | | Mountain |
| |
| 31 Aug 10 | | Dessies Run | | | | Road |
| |
| 4 Sept 10 | | Ben Nevis | | | | Mountain |
| |
| 4 Sept 10 | | Slieve Foye | | | | Mountain |
| link |
| 5 Sept 10 | | Spar Laganside 10k | | | | Road |
| |
| 5 Sept 10 | | Dublin Peaks | | | | Mountain |
| link |
| 11 Sept 10 | | Waterside Half Marathon | | | | Road |
| |
| 18 Sept 10 | | NIMAA 5K Road Race | | | | Road |
| |
| 18 Sept 10 | | Mourne Mountain Marathon Day 1 | | | | Mountain |
| |
| 19 Sept 10 | | Mourne Mountain Marathon Day 2 | | | | Mountain |
| |
| 25 Sept 10 | | Black Mountains Wales BC | | | | Mountain |
| |
| 25 Sept 10 | | Bangor 10k | | | | Road |
| |
| 2 Oct 10 | | Slieve Gallion GP | | | | Mountain |
| link |
| 26 Dec 10 | | Turkey Trot | | | | Mountain |
| |
