Date
Sat, 14 Aug 2027
Start
09:00
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 shorter way to Cardiff: a point-to-point run that starts in Abergavenny at 9am and ends at Cardiff Harlequins. Still a proper ultra, with a long day to get it done.
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 53 km
7-day free trial, no card required
The course
The route
Cardiff
Distance53km
StartElevation
0 kmDrag map to rotate53.2 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
01Sarah Fry08:52:576.0 km/h
02Alexandra Egge09:46:265.4 km/h
03Kelly Felstead09:46:355.4 km/h
13
Women finishers
11:49:58
Median time
4.5 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 Black Cattle Ultra Gwartheg Duon 53 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 53 km plan targets
Typical sessions
53 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 Black Cattle Ultra Gwartheg Duon 53 km plan.
7-day free trial, no card required.
Other races at Black Cattle Ultra Gwartheg Duon
More events in August in United Kingdom
