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Ultra-Trail Snowdonia by Utmb

Llanberis, United Kingdom • 15-17 May 2026

Ultra-Trail Snowdonia by UTMB

Ultra-Trail Snowdonia by UTMB is part of the UTMB World Series. The event takes place in Eryri Snowdonia, North Wales, and is scheduled for 15 - 17 May 2026. The races run on trail terrain with large amounts of elevation gain. The event page notes the 2025 edition involved more than 2,800 runners from over 60 nationalities across four race distances.

Race distances and entry details

  • UTS 100M - 164 km, 9500 m+ elevation, Running Stones 4, price £299
  • UTS 100K - 104 km, 6500 m+ elevation, Running Stones 3, price £239
  • UTS 50K - 56 km, 3400 m+ elevation, Running Stones 2, price £189
  • ERYRI 25K - 25 km, 1400 m+ elevation, Running Stones 1, price £139

Prices are shown exclusive of an 8% booking fee. Registration details and race regulations are provided through the event's runner information and race pages. Visit the organization's website for the most recent information.

United Kingdom Wales Llanberis

Race information

Website
UTMB 20K UTMB 50K UTMB 100K UTMB 100M
Eryri 25k
Uts 100k
Uts 100m
Uts 50k
Visit the organization's website for the most recent information.
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