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The Ridum

Name: The Ridum
Start: 2025-09-06
End: 2025-09-06
Location: Caerphilly

Caerphilly, United Kingdom • 6 Sep 2025

The RIDUM 2025 is a challenging 30-mile ultra marathon set along the Rhymney Valley Ridgeway Walk in South East Wales. Participants will traverse varied terrain, including lanes, trails, and woodland, with a total elevation of 4,252 feet. The route features notable points such as Mynydd Machen, the highest point on the trail.

The event emphasizes enjoyment and personal challenge over strict time limits, offering fully stocked checkpoints and post-race care. Runners are encouraged to bring appropriate gear and embrace the adventure. The race aims to explore lesser-known trails near Cardiff, providing a scenic and rewarding ultra running experience. Visit the organization's website for the most recent information.

United Kingdom Wales Caerphilly

Race information

Website

30 mi

4252 m+

30 Miles

Visit the organization's website for the most recent information.

Trail runs nearby

Sat - Sun Apr 26-27

Rasus y Bannau

Brecon - 26 mi from Caerphilly

26 mi

72 km

100 km

Rasus y Bannau is an exciting long-distance running event taking place in Brecon, featuring three challenging races: a 100 km ultra, a 45-mile ultra, and a marathon. The courses wind through the stunning Bannau Brycheiniog (Brecon Beacons) National Park, offering participants breathtaking views and..

UTMB Index

Saturday Apr 26

Butcombe Trail Ultra

Rowberrow - 25 mi from Caerphilly

50 km

50 mi

The Butcombe Trail Ultra is a challenging running event featuring 50-mile and 50-kilometre self-navigation ultramarathons set in the scenic Mendip Hills, an area of outstanding natural beauty. Organized by volunteers from Bristol's Town & Country Harriers, the event aims to benefit the Mendip Hills..

UTMB Index

Sunday May 4

Sirhowy Challenge

Ynysddu - 3 mi from Caerphilly

10 mi

The Sirhowy Challenge is a 10-mile multi-terrain race set in the scenic Sirhowy Valley, featuring a challenging ascent of 1500ft to Machen Trig Point. Scheduled for May 4, 2025, the event welcomes participants aged 17 and over, with entry fees of £12 for UK Athletics registered runners and £14 for n..

Saturday May 10

Westcountry Ultra Hilly 50 miler

Minehead - 28 mi from Caerphilly

50 mi

The Westcountry Ultra Hilly 50 is a challenging 50-mile ultramarathon set in the stunning landscapes of Somerset, England. Known for its breathtaking scenery, the course features significant elevation changes, including steep climbs and descents through ancient woodlands, rugged coastlines, and pict..

Saturday May 10

TEC Brecon Beacons

Brecon - 26 mi from Caerphilly

The TEC Brecon Beacons will take place in Brecon on Saturday 10 May 2025. You can run between 10 and 53 kilometers.

Saturday May 10

Afan Chase Trail Races

Glyncorrwg - 18 mi from Caerphilly

10 km

13 mi

The Afan Chase Trail Races, scheduled for May 10, 2025, offer an exhilarating trail running experience through the stunning Afan and Glyncorrwg forests. Participants can choose between a half marathon and a 10k race, both featuring diverse terrains including forest paths and single tracks. The route..