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Built on bad decisions in Boulder, CO.

Eryri

5 Race Events100 Mile, 50 Mile, 50K, 25K, 100K

UTMB

Llanberis, Wales, United Kingdom

Course map for Eryri 100K

Eryri 100K

May 15, 2027

100KCrew

Course map for Eryri 100M

Eryri 100M

May 14, 2027

100 MileCrew

Course map for Eryri 25K

Eryri 25K

May 16, 2027

25K

Course map for Eryri 50K

Eryri 50K

May 15, 2027

50KCrew

Course map for Eryri 80K

Eryri 80K

May 14, 2027

50 MileCrew