Mynydd Mawr

Nantlle, United Kingdom • 26 May 2026

Mynydd Mawr

Mynydd Mawr is a race in the North Wales Mid Week Series based at Canolfan Y Fron, Y Fron, near Caernarfon (LL54 7BB, GR SH507548). The event distance is 6.7 km / 4.2 mi with a total climb of 450 m / 1476 ft.

Navigational skills are required and local knowledge is beneficial for the route. The event record times are 30:04 (male, 2008) and 36:11 (female, 1989). Minimum age for participation is over 15 and there are no junior races.

Pre-registration is requested by 20:00 on the previous Sunday; no payment is required at preregistration. A day-entry fee of £2 applies. The event is insured by WFRA. Visit the organization's website for the most recent information.

Race information

7 km
Mynydd Mawr
Visit the organization's website for the most recent information.
Trail runs nearby

Ultra-Trail Snowdonia by UTMB is a UTMB World Series trail running event in Llanberis, North Wales from 15 to 17 May 2026. It offers multiple mountain race distances from 25 km to 163 km with significant elevation gain.

A mountain race on Cader Idris of 16.9 km with 915 m of ascent, run on a partly marked route that requires navigation and experience. Entries open online with a limit on competitors and chip timing in place.

A midweek fell race in the North Wales series over approximately 8 km with 470 m of climb, mandatory checkpoints and a steep uphill finish; pre-registration is required with additional entry notes and junior categories listed.

A mountain fell race of 13 km and 1550 m ascent finishing at Yr Wyddfa Summit, requiring navigational skills and prior mountain experience. Registration is in Llanberis with compulsory coach transfer to the Ogwen start.

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