Articles

Belgian Ultrarunner Karel Sabbe's Record-Breaking Pacific Crest Trail Run Showcased in New YouTube Documentary

Explore Karel Sabbe's record-breaking Pacific Crest Trail run in a riveting documentary. Jour..

Trail Running: How it Can Help Reduce Stress and Anxiety

Trail running is an effective way to reduce stress, anxiety, and improve physical and mental he..

Trail Running vs. Road Running: Which One Is Right For You?

When it comes to running, there are two primary options to choose from: trail running and road..

Y Cerrig Glas

Name: Y Cerrig Glas
Start: 2026-08-30
End: 2026-08-30
Location: Crymych

Crymych, United Kingdom • 30 Aug 2026

Ras y Cerrig Glas

Ras y Cerrig Glas is a fell race covering 11.3 km / 7 mi with approximately 350 m / 1148 ft of climb. The event starts from a small car park located between Mynachlog-ddu and Rosebush (grid reference GR127 307). The course is partially marked and organizers state that navigational skills and significant experience are required.

The event has recorded course best times of 55:53 for men in 2015 and 1:00:14 for women in 2019. The minimum age for the main race is over 18. Separate junior races are also held.

Entry fees are listed as £5 for pre entry and £7 on the day; the on day fee includes tea, coffee and cake. There are no toilet facilities on site. The event is insured by the Welsh Fell Runners Association.

Participants should be prepared for limited on course markings and minimal facilities. Parking is at the small roadside car park between the two villages named above. Visit the organization's website for the most recent information.

United Kingdom Wales Crymych

Race information

Website Registration

11 km

Ras Y Cerrig Glas

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

Trail runs nearby

Sunday Jul 19

RTT Llys Y Fran Trail 10K

Llys-y-frân

5 km

10 km

A Trail 10k at Llys y Fran Lake with varied terrain, lakeside and woodland sections, chip timing and a finisher's medal. The race is the second event in the 2026 RTT Series and includes marked routes and water stations.

Thursday Jul 23

Carn Ingli Killer

Cilgwyn

6 km

A short fell race of 5.54 km with 315 m of ascent, run on a partially marked route that requires navigational skill and prior fell-running experience. Entry on the night costs £3 and the event is insured by the WFRA.

Saturday Aug 1

Pembrokeshire Trail Run

Freshwater East

14 km

25 km

A new 2026 trail running event along the Pembrokeshire Coast from Freshwater East to Saundersfoot, offering 25k and 14k routes with GPX files and a payment plan for entries.

Saturday Aug 29

Ras Beca Race

Brynberian

8 km

Ras Beca is an 8 km race with 320 m of climb near Crosswell in North Pembs. Entry is £5 pre entry or £7 on the day and the event is insured by WFRA. Junior races cover multiple youth age categories.