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Eryri by UTMB
163km163108km10878km7856km5625km25

Eryri 25K

UTMB World Series
25.0km·1300m+
May 16, 08:30 AM
Llanberis,
United Kingdom
source

The plan will appear closer to the race. For now, check a previous season's plan.

This race has no track yet. Have a GPX file or a link to the course? Send it, the team will check and add it.

Race Pace Calculator · GPX Analyzer · Trail Finder

Other races: United Kingdom

  • Arc of Attrition by UTMB · Arc 20KJanuary 24, 2027 · 22.1km · 744m+
  • Arc of Attrition by UTMB · Arc 50KJanuary 24, 2027 · 49.4km · 1458m+
  • Montane Winter Spine · Winter Spine Sprint NorthJanuary 12, 2027 · 69.2km · 1759m+
  • Montane Winter Spine · Winter Spine Sprint SouthJanuary 9, 2027 · 74.0km · 2017m+
  • Arc of Attrition by UTMB · Arc 100KJanuary 23, 2027 · 82.7km · 2708m+
  • Ultra Scotland · Ultra Scotland 50June 5, 2027 · 90.1km · 2447m+

Read

  • How to Taper for a Marathon, Half Marathon or Ultra
  • Types of Runs and What Each Workout Actually Trains
  • Hill Training for Trail Runners: Train the Descents

Full calendar: United Kingdom

About Eryri 25K

Eryri 25K is the 25.0km trail race at Eryri by UTMB 2027 (Llanberis, United Kingdom). The race starts on May 16, 2027 at 08:30 AM. It starts in Llanberis.

Course

The course climbs 1300m+. With 52m/km of climbing, this is a true mountain course with sustained climbs and descents.

This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Eryri 25K.

Other distances of Eryri by UTMB 2027Eryri 100M (163km)·Eryri 100K (108km)·Eryri 80K (78.0km)·Eryri 50K (56.0km)

Other editions of Eryri 25K2026

Official websiteeryri.utmb.world