Date
Sat, 14 Aug 2027
Start
07:00
Venue
Point-to-point: Llanthony Priory or Abergavenny to Cardiff Harlequins RFC, Diamond Ground, Forest Farm Road, Whitchurch, Cardiff CF14 7JN
Cardiff, Cardiff
Countdown
August
The long way down to Cardiff: a point-to-point run from Llanthony Priory, finishing at a rugby club in Whitchurch. A 7am start and a midnight cut-off give you the whole day.
Key facts
01Self-navigation: you find your own way, so bring a route you can follow
02Mandatory kit check at the start: no kit, no entry
03Finish cut-off is midnight, and entrants must be 18 or over
Create a free training plan for the Black Cattle Ultra Gwartheg Duon 71 km
7-day free trial, no card required
The course
The route
Cardiff
Distance71km
StartElevation
0 kmDrag map to rotate69.8 km
Weather
Mid-August, Cardiff
20°CTypical high
13°CTypical low
8°CColdest in 20 years
53%Days with rain
Highs around 20°C and lows around 13°C, but it has dropped to 8°C. Rain on 53% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01Bethan Williams10:32:076.7 km/h
02Dr. Caroline Davies-Brooks12:00:175.9 km/h
03Sara Carter Morgan12:18:565.7 km/h
6
Women finishers
12:21:23
Median time
5.7 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 Black Cattle Ultra Gwartheg Duon 71 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 Black Cattle Ultra Gwartheg Duon 71 km plan targets
Typical sessions
71 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
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Get your Black Cattle Ultra Gwartheg Duon 71 km plan.
7-day free trial, no card required.
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