Date
Sat, 29 May 2027
Venue
Larrybane Quarry, Ballintoy
Ballintoy, County Antrim
Countdown
May
A 106-mile run along the Antrim coast from Ballintoy to Gortin, with 34 hours to get it done. This is a proper ultra, not a first step.
Key facts
01Entrants must be over 18 and able to run 26 miles unsupported
02Experience of ultras over 50 miles needed, or talk to the organiser first
0334-hour cut-off, and mandatory kit is required
Create a free training plan for the Norn Iron Ultra 100 171 km
7-day free trial, no card required
The course
The route
Ballintoy
Distance171km
StartElevation
0 kmDrag map to rotate156.1 km
Weather
Late-May, Ballintoy
14°CTypical high
9°CTypical low
4°CColdest in 20 years
47%Days with rain
Highs around 14°C and lows around 9°C, but it has dropped to 4°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
01KEENAN Mary25:47:286.6 km/h
02MCLEESE Amanda30:08:595.7 km/h
03GRIMES Laura32:05:215.3 km/h
4
Women finishers
1d 7:07:10
Median time
5.5 km/h
Median speed
Women · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Training
Training for the Norn Iron Ultra 100 171 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 Norn Iron Ultra 100 171 km plan targets
Typical sessions
171 km
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 Norn Iron Ultra 100 171 km plan.
7-day free trial, no card required.
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