Date
Fri, 23 Oct 2026
Start
19:30
Venue
Glendalough Upper Lake Carpark, Glendalough, County Wicklow
The Municipal District of Wicklow, County Wicklow
Countdown
October
A night run on a new 8.5 km loop in Wicklow, with exposed, technical ground along Derrybawn Ridge. 450 m of climbing is steep for the distance, so expect it to bite.
Key facts
01Age 18 or older
02Level B mandatory kit required
03Running torch required
Create a free training plan for the Night Challenge 4: Glendalough 8 km
7-day free trial, no card required
The course
The route
The Municipal District of Wicklow
Distance8.5km
Total climb450m
StartElevation
0 kmDrag map to rotate8.6 km
Weather
Late-October, The Municipal District of Wicklow
13°CTypical high
9°CTypical low
2°CColdest in 20 years
62%Days with rain
Highs around 13°C and lows around 9°C, but it has dropped to 2°C. Rain on 62% of days.
NASA POWER data, 2006-2025, the week either side of race day
2025 results
Who finishes, and how
#RiderTimeAvg speed
01Cian Charnecki0:23:1621.9 km/h
02Mike Long0:24:5020.5 km/h
03Ben Robinson0:26:5718.9 km/h
138
Finishers
1:08:45
Median time
7.4 km/h
Median speed
Overall · 2025 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 since2024
Training
Training for the Night Challenge 4: Glendalough 8 km
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 Night Challenge 4: Glendalough 8 km plan targets
Typical sessions
9 km with 450 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 Night Challenge 4: Glendalough 8 km plan.
7-day free trial, no card required.
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