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The RIDUM 2026

Name: The RIDUM 2026
Start: 2026-09-05
End: 2026-09-05
Location: Ystrad Mynach

Ystrad Mynach, South West, United Kingdom

calendar_today 05 Sep, 2026

directions_run Running

language Official Website

sell £45.00 – £75.00

About the Event

Immerse yourself in the rugged beauty of East Wales with The RIDUM, a 30-mile trek that showcases some of the region's most captivating landscapes. This challenging yet rewarding journey takes you through undisturbed woodlands and along ridge-tops, offering panoramic views at every turn. Experience firsthand why this trail is beloved by runners seeking an escape from urban life into nature’s embrace. The RIDUM promises a blend of scenic vistas, diverse terrain, and the tranquility that only untouched countryside can provide. Whether you're a seasoned runner or looking to push your limits in breathtaking surroundings, this event offers an unforgettable Welsh adventure.
Join us for a day where every step reveals new wonders, from dense forests teeming with wildlife to open ridges bathed in sunlight and shadow. The RIDUM is more than just a race; it’s an exploration of East Wales’ natural splendor and the perfect backdrop for runners eager to connect with nature on a profound level.

Races Offered

The RIDUM Full 2026

Sep 05, 2026

straighten

Distance — 48.3K

terrain

Type — Running

timer

06:00

sell

£75.00

The RIDUM Half 2026

Sep 05, 2026

straighten

Distance — 24.1K

terrain

Type — Running

timer

07:00

sell

£45.00

Weather History

These values represent the 3-year monthly averages for September in Ystrad Mynach.

thermostat Temperature

10.9° / 16.8°

wb_sunny Feels like

8.3° / 14.6°

light_mode Avg sunshine hours

7h 30m

water_drop Avg rainfall

5.2 mm

ac_unit Avg snowfall

—

air Avg wind speed

14.7 km/h (Gentle breeze)

opacity Sweat loss rate

Low

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Moderate (3.5)

humidity_mid Humidity

84.9%

wb_twilight Sunrise

06:48

nightlight Sunset

19:26

About Ystrad Mynach

Learn more about the host city, Ystrad Mynach.

Ystrad Mynach is a town in the Rhymney Valley in the Caerphilly County Borough, within the ancient county of Glamorgan, Wales, and is 5 miles (8.0 km) north of the town of Caerphilly. The urban area had a population of 19,204 in 2011. Before the Industrial Revolution and the coming of coal mining in the South Wales Coalfield the valley was rural and farmed. It lies in the community of Gelligaer.