DateExpected
Early September 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Parc Penallta, Ystrad Mynach, Hengoed, Caerphilly
Hengoed, Caerphilly
Countdown
September
Thirty miles on foot around Caerphilly with 1,342 m of climbing, a single loop and no clock hanging over you. A proper long day out, but a forgiving one.
Key facts
01Two fully stocked checkpoints on the loop
02No time limit, so you can go at your own pace
03Single loop, so you finish where you started
Create a free training plan for the The RIDUM
7-day free trial, no card required
The course
The route
Hengoed
Distance48km
Total climb1,342m
StartElevation
0 kmDrag map to rotate47.5 km
Weather
Early-September, Hengoed
19°CTypical high
12°CTypical low
8°CColdest in 20 years
44%Days with rain
Highs around 19°C and lows around 12°C, but it has dropped to 8°C. Rain on 44% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
OrganiserPegasus Ultra Running
Websitepegasusultrarunning.com
Instagram@pegasusultrarunning
Running since2014
Training
Training for the The RIDUM
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 The RIDUM plan targets
Typical sessions
48 km with 1,342 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 The RIDUM plan.
7-day free trial, no card required.
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