Eryri by UTMB
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Eryri by UTMB
Eryri by UTMB is the new name for Ultra-Trail Snowdonia from 2027. The event takes place in Llanberis, North Wales, and is part of the UTMB World Series. The 2027 edition is scheduled for 14 to 16 May 2027.
The race routes run on technical mountain and moorland trails in the Eryri area, the historic Welsh name for Snowdonia that was officially restored in 2022. The organiser presents multiple distance options with significant elevation gain and marked Running Stones levels.
Distances and basic figures:
- Eryri 100M - 163 KM, 9200 M+, Running Stones 4
- Eryri 100K - 108 KM, 5800 M+, Running Stones 3
- Eryri 80K - 78 KM, 2500 M+, Running Stones 3
- Eryri 50K - 56 KM, 3400 M+, Running Stones 2
- Eryri 25K - 25 KM, 1300 M+, Running Stones 1
In 2026 the event recorded participation from more than 60 nationalities and over 2,800 runners across four race distances. The format for 2027 lists five distinct races with differing distances, elevation profiles and race categories within the UTMB World Series framework. Visit the organization's website for the most recent information.
