RACE DISTANCES ARE MARKED SHORT [S], MEDIUM [M] OR LONG [L]
* (C) is NIMRA Championship race
* (UC) is Ulster Championship race
* (AIC) is All-Ireland Championship race
All of the below will be subject to overlapping between respective championships
For IMRA race dates and details please visit the website here: https://www.imra.ie/events/?year=2025
- Race Over The Glens 2025 on January 1, 2025 12:00 pm
- NIMRA Run For Rescue Trail Race 2024 on January 25, 2025 11:00 am
- Glenariff Mountain Race [S] (C) on March 8, 2025 12:00 pm
- Slieve Gullion Race [S] (C, UC) on March 15, 2025 11:00 am
- Pat Dunbar Memorial (Leitrim Lodge) [M] (C, UC) on March 29, 2025 11:00 am
- Hill and Dales 2025: Castlewellan on April 10, 2025 7:30 pm
- Hill and Dales 2025: Tollymore on April 17, 2025 7:30 pm
- Hill and Dales 2025: Slieve Martin [S] on April 24, 2025 7:30 pm
- Annalong Horseshoe [L] (C) on April 27, 2025 11:00 am
- Hill and Dales 2025: Binnian on May 1, 2025 7:30 pm
- Hill and Dales 2025: Hen & Cock on May 8, 2025 7:30 pm
- Hill and Dales 2025: Lukes Mountain on May 15, 2025 7:30 pm
- Hill and Dales 2025: Millstone on May 22, 2025 7:30 pm
- British Championship 2025: Granite Peaks 10K on May 24, 2025 11:00 am
- Granite Peaks 25K, 50K Ultra & 80K Ultra Races [L] (C) on May 25, 2025
- Slieve Donard Race 2025 [S] (AIC) on May 31, 2025 11:00 am
- Hill and Dales 2025: Loughshannagh on June 5, 2025 7:30 pm
- Cairncastle Classic Fell Race [M] (C, UC) on June 7, 2025 11:00 am
- Hill and Dales 2025: Meels on June 12, 2025 7:30 pm
- Flagstaff to Carlingford [M] (C) on June 15, 2025 11:00 am
- Hill and Dales 2025: Drinnahilly on June 20, 2025 7:30 pm
- Spelga Skyline [L] (C) on June 28, 2025 11:00 am
- Carnaween [S] (UC) on July 5, 2025 11:00 am
- Run The Carn on July 12, 2025 11:00 am
- Mullaghcarn Giant Race (Gortin Glens) [M] (C, UC) on July 26, 2025 12:00 pm
- Seven Sevens [L] (C) on August 9, 2025 10:00 am
- Scrabo [S] (C) on August 21, 2025 7:00 pm
- Mourne Mountain Marathon 2025 on September 20, 2025
- Slieve Bearnagh Race [S] (C) on September 27, 2025 11:00 am
- Turkey Trot on December 26, 2025 12:00 pm
