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Explore the picturesque hilly trails of Rhymey Valley. This hidden gem 30 mile Ultra will put your hill climbing skills to the test. Whilst traversing the valley, you will take in breathtaking views, most appreciated after the long climbs. Sign up to get your heart racing and your legs moving.
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Sat, 4 Sept 2021
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Ystrad Mynach, United Kingdom
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The event experience

Based on location

Where and when
Parc Penallta, u Mid Glamorgan, Penallta Rd, Ystrad Mynach, Hengoed CF82 7GN, UK
Start times
Saturday, 4 Sept 2021
The RIDUM: 7:00 am
Event summary
Here are the distances available for The RIDUM
1 Loop
Route information
Observe the breathtaking scenery of the Rhymney Valley as you traverse this 30 mile Ultra’s challenging and hilly course. Only a short distance away from Cardiff, you will cover a total of 4252 feet of elevation. The fully way-marked route will guide you along footpaths that circle the River Rhymney. Breathtaking views are guaranteed as you ascend the trialling hills. Feel the lactic settle in you legs as you take on the infamous 362 metre climb to Mynydd Machen. This route is not for the faint-hearted so take your time to fully enjoy this experience as the picturesque scenery settles into the foreground.
What's included
  • Finisher's Medal
  • Finisher's T-Shirt
  • Pegasus Trucker Hat
  • Post Race Care
  • Fully-marked course
  • Food stations
How to get there
Parc Penallta, u Mid Glamorgan, Penallta Rd, Ystrad Mynach, Hengoed CF82 7GN, UK
Get full directionsExternalLink
By Car
The start line located at Parc Penalta is a 3 hour drive from London. Take the M4 exiting at junction 27 (B4591) to High Cross, where you will continue to Caerphilly County Borough.
By Train
From Paddington station take the Swansea bound train to Cardiff Central station. From Cardiff Central Station you can change to the Transport for Wales service to Rhymney getting off at Ystrad Mynach where you can take a 4 minute bus or a brisk 1.4 mile walk to Parc Penalta.
Event day logistics
05:30 Registration opens
06:45 Pre-race chat and Johnny Cash music
07:00 The RIDUM starts
Exact registration and start line locations will available closer to the date.
Mandatory Kit List
  • Appropriate footwear
  • Water container (1litre+)
  • Mobile Phone
  • Compass (or mobile phone app)
  • Head lamp or torch
  • Foil blanket
  • Waterproofs
  • Rucksack
Cut-off Time
This event has no cut-off time, and the organiser will allow you to finish if you are physically capable to do so.
All checkpoints will be manned and, will be fully stocked with snacks, fruit, drinks, music and a few beers.
What kit do I need for the RIDUM?
There is a mandatory kit list for the RIDUM, please bring: Appropriate footwear, a water container (1litre+), a mobile phone, a compass (or mobile phone app), head lamp or torch, a foil blanket, waterproofs and a rucksack.
Do I need to be fast to run the RIDUM?
No, there is no cut-off time for the RIDUM so it is a perfect event for any pace and ability of runner.
Where is the start line for the RIDUM?
The start line for the RIDUM is located at a Parc Penalta.
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