Skip to content
Endurance AnalyticsEndurance Analytics
  • Calendar
  • Trail Finder
  • Geo Quiz
  • Challenges
  • Blog
Trail runningBiathlonSkiingSkimoOlympicsCalendarTrail FinderGPX AnalyzerRace Pace CalculatorChallengesComparePricingConnect AIBlog

Know the course before you run it

© 2026 Endurance Analytics. All rights reserved.

Privacy policyTerms of serviceRefundsContact
  1. Home
  3. Trail running
  5. 2026
  7. Ultra-Trail Snowdonia by UTMB
Ultra-Trail Snowdonia by UTMB
164km164106km10678km7856km5625km25

ERYRI 25K

UTMB World Series
25.0km
May 15
Llanberis,
United Kingdom
source

Race Pace Calculator · GPX Analyzer · Trail Finder

Other races: United Kingdom

Read

  • Types of Runs and What Each Workout Actually Trains
  • Hill Training for Trail Runners: Train the Descents
  • Downhill Running Muscle Damage: Why Descents Wreck Quads

Full calendar: United Kingdom

About ERYRI 25K

ERYRI 25K is the 25.0km trail race at Ultra-Trail Snowdonia by UTMB 2026 (Llanberis, United Kingdom). The race starts on May 15, 2026.

Course

Flat-equivalent effort: 27.5 FlatKM.

Results

753 finishers completed the 2026 edition. Men's winner: Sam Bentham (Great Britain) in 1:41:45. Women's winner: Cana Peek (South Africa) in 1:59:01.

This page has the full results and splits, a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for ERYRI 25K.

Other distances of Ultra-Trail Snowdonia by UTMB 2026UTS 100M (164km)·UTS 100K (106km)·UTS 80K (78.0km)·UTS 50K (56.0km)

Official websitesnowdonia.utmb.world