Marathon Eryri

Marathon Eryri (Snowdonia Marathon) is a demanding and scenic mountain road marathon that loops around Yr Wyddfa (Snowdon), repeatedly voted among the UK’s best marathons.

Date: Saturday 24th October 2026

The first Snowdonia Marathon was held in 1982 and the event offers an alternative to town and city races. Marathon Eryri has been voted Best British Marathon twice. The demanding and spectacular route encircles Yr Wyddfa, the highest peak in England and Wales at 1,085m.

• Registration fee: £20
• Fundraising target: £300
• Contact: community@sheltercymru.org.uk