DateExpected
Late May 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Start/finish at the forest barrier near Lumpers, County Louth
County Louth
Countdown
May
A single anticlockwise loop around the Cooley peninsula, fully marked, with one aid station at The Mast near halfway. Hilly for a half, so run it as a mountain day.
Key facts
01Level B mandatory kit: waterproof jacket, hat or buff, gloves, whistle
02Carry a charged phone with the emergency number stored
03Foil blanket, bivvy bag or equivalent is required
Create a free training plan for the Cooley Half
7-day free trial, no card required
The course
The route
County Louth
Distance22km
Total climb790m
StartElevation
0 kmDrag map to rotate19.5 km
Weather
Late-May, County Louth
14°CTypical high
9°CTypical low
3°CColdest in 20 years
47%Days with rain
Highs around 14°C and lows around 9°C, but it has dropped to 3°C. Rain on 47% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01Edward O connor1:36:2813.4 km/h
02Adam Cunningham1:38:0213.2 km/h
03Con Halpin1:43:2412.5 km/h
133
Finishers
2:38:35
Median time
8.1 km/h
Median speed
Overall · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
OrganiserIrish Mountain Running Association (IMRA)
Websiteimra.ie
Instagram@irishmountainrunning
Running since2025
Training
Training for the Cooley Half
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Cooley Half plan targets
Typical sessions
22 km with 790 m of climbing
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Cooley Half plan.
7-day free trial, no card required.
More events in May in Ireland
Waterville Trailrunning FestivalSat, 1 May 2027 · Kenmare Municipal District→Carrick MountainExpected Early May 2027 · Glenealy→MTC MizMal ®Fri, 7 May 2027 · County Donegal→Wild Mayo UltraExpected Early May 2027 · Westport Harbour→Beara Way UltraExpected Mid May 2027 · County Cork→Beara Way ChallengeExpected Mid May 2027 · Start on Derrintaggert Road near the Old Bakery Restaurant→
