All countries / United Kingdom / Wales
Marathon directory
Marathons in Llanberis, Wales
1 upcoming marathon listed in Llanberis. Next: Marathon Eryri on October 24, 2026.
1marathon upcoming
Llanberiscity
October 24, 2026Next race
Marathondistances
List your marathon with verified details
Hosting a marathon in Llanberis, Wales, United Kingdom? Submit the official source for free so runners can verify the race before they plan travel.
- Free listing review
- Official source verification
- Runner-ready listing
- Organizer dashboard
Already listed in Llanberis, Wales, United Kingdom? Open the race and use Update listing. Missing event? Add it for free with the location prefilled.
Planning notes for Llanberis, Wales, United Kingdom
Use this city page to shortlist 1 upcoming race by date, distance, registration path, and official source.
- Next raceMarathon Eryri on October 24, 2026
- Busy monthsOctober (1)
- DistancesMarathon
- VerifyOpen each race page, then confirm details from its official, registration, course-map, or source link.