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Yr Wyddfa Ultra 50

Name: Yr Wyddfa Ultra 50
Start: 2025-09-06
End: 2025-09-06
Location: Betws-y-Coed

Betws-y-Coed, United Kingdom • 6 Sep 2025

Yr Wyddfa Ultra 50 is a 45-mile mountain ultramarathon in Snowdonia National Park (Eryri), with around 3,254 metres of ascent and space for up to 500 entrants. The route starts and finishes at Cae Llan/Village Green, Betws-y-Coed, following the Snowdonia Slate Trail from the Swallow Falls area up to Tryfan’s Heather Terrace, the Yr Wyddfa/Snowdon summit, Glyder Fach and Glyder Fawr, Devil’s Kitchen and Llyn Idwal, then across to Llyn Crafnant and Llyn Geirionydd. Runners are tracked live via GB Race Tracker, with five checkpoints and strict cut-offs. The event is cupless, offers Gold/Silver/Bronze medals, and awards UTMB/ITRA Mountain Points; it’s part of GB Ultras’ 50-mile Slam. Visit the organization's website for the most recent information.

United Kingdom Wales Betws-y-Coed

Race information

Website

UTMB 100K UTMB 100M

45 mi

3254 m+

Yr Wyddfa Ultra 50

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

Trail runs nearby

Mon - Sat Sep 1-6

Montane Dragon's Back Race

Conwy - 13 mi from Betws-y-Coed

380 km

Dragon’s Back Race® is a legendary six-day, multi-stage ultra running journey along the spine of Wales. The Full Dragon covers about 380km with 16,400m of ascent, starting at Conwy Castle and finishing at Cardiff Castle. Run every September, the route traverses dramatic Welsh terrain across six days..

UTMB Index

Friday Sep 5

The Dee Way 120

Prestatyn - 23 mi from Betws-y-Coed

60 mi

120 mi

The Dee Way 120 is a challenging ultra-distance trail race following nearly the entire 120-mile course of the River Dee from Llanwchllyn to Prestatyn in North Wales. The route traverses diverse and scenic landscapes, including valleys, historic villages, and coastal paths, offering breathtaking view..

Saturday Sep 6

Yr Wyddfa Ultra 100

Betws-y-Coed

102 mi

The Yr Wyddfa Ultra 100 is a challenging 102-mile ultramarathon held in Snowdonia National Park, Wales, featuring 5,788 meters of ascent across stunning mountainous terrain. The race starts and finishes in Betws-y-Coed and includes 10 well-supported checkpoints offering refreshments and medical aid...

Saturday Sep 6

RunThrough Snowdonia Sea2Sky

Barmouth - 28 mi from Betws-y-Coed

25 km

53 km

RunThrough Snowdonia Sea2Sky 53k & 25k Trail Races, a brand-new RunThrough event set in Snowdonia, takes place on Saturday, 6 September 2025 in Barmouth. Runners can choose between 25k and 53k trail distances, designed to challenge participants on scenic routes with amazing views. The course is mars..

UTMB Index

Sunday Sep 7

2 Hillforts Hill Race

Denbigh - 16 mi from Betws-y-Coed

9 mi

The 2 Hillforts Hill Race is an exciting running event set to take place in 2024, starting and finishing at Plas Dolben Farm in Llangynhafal. Participants will tackle a challenging course that spans just under 9 miles, featuring a significant ascent of 2500 feet as it navigates the scenic Hillforts..

Friday Sep 12

Snowdonia Mountain Skills Weekend

Caernarfon - 20 mi from Betws-y-Coed

5 mi

8 mi

10 mi

The Snowdonia Mountain Skills Weekend 2025 is a trail running event held in the Nantlle Valley within Snowdonia National Park, UK. Hosted by Running Adventures, the weekend focuses on advanced trail runners aiming to enhance their mountain running skills and safety knowledge. Participants experience..