Skip to content
Endurance AnalyticsEndurance Analytics
  • Calendar
  • Trail Finder
  • Geo Quiz
  • Blog
  • AI Buddy
  • Contact
For organizers
Trail runningBiathlonSkiingSkimoOlympicsCalendarTrail FinderGPX AnalyzerRace Pace CalculatorAI BuddyComparePricingConnect AIBlog
For organizersRace website assistantFind my racePricingDocumentation

Know the course before you run it

© 2026 Endurance Analytics. All rights reserved.

Privacy policyTerms of serviceRefundsContact
  1. Home
  2. Trail running
  3. 2027
  4. Rothrock by UTMB
Rothrock by UTMB
53.3km53.326.9km26.9

Rothrock 25K

UTMB World Series
26.9km·1188m+
May 16, 08:00 AM
Tussey Mountain Ski and Recreation,
United States
utmb·source

Race Pace Calculator · GPX Analyzer · Trail Finder

Other races: United States

  • HOKA Pacific Trails California by UTMB · Pacific Trails 25KNovember 15, 2026 · 25.0km · 650m+
  • Canyons Endurance Runs by UTMB · Canyons 25KApril 23, 2027 · 25.0km · 850m+
  • Dead Horse Ultra · Dead Horse 30KNovember 14, 2026 · 30.0km · 527m+
  • Tsali Ultra · Tsali Ultra 30KJanuary 16, 2027 · 30.0km · 490m+
  • Moab's Red Hot Ultra · Moab's Red Hot Ultra 30KFebruary 27, 2027 · 30.0km · 865m+
  • Behind the Rocks Ultra · Behind the Rocks Ultra 30kApril 3, 2027 · 30.0km · 515m+

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 States

Rothrock 25K · Race profile

Distance
26.9km
Gain
1188m+
Max
736m
Min
396m

About Rothrock 25K

Rothrock 25K is the 26.9km trail race at Rothrock by UTMB 2027 (Tussey Mountain Ski and Recreation, United States). The race starts on May 16, 2027 at 08:00 AM. It starts in Tussey Mountain Ski and Recreation.

Race strategy

Hold a steady pace and save energy for every section.

  • 324m descent. Go easy, save your quads.
  • Start easy and control your HR up to the Shingletown Gap pass.
  • Hold your race pace up to 22.8km, but stay in control.
  • Control your HR on the first mountain, save your quads on the way down from it until 8.2km, then run your race pace, and go all out on the final descent from 22.8km.
  • Start · 0.0km–1.6km · Race-day nerves push your heart rate up: don't follow the crowd, find your own rhythm.
  • Settle in · 1.6km–15.6km · Descent of 324m averaging 6%, high point 736m. Plus 2 more climbs and 1 descent. Ease in: hold back more than feels necessary. The race is still ahead. Climb by heart rate or breathing, not pace. This descent is hard on the legs: short steps, stay in control, poles if you have them.
  • Work · 15.6km–22.8km · Plus 2 more climbs. This is where the race is built: steady, solid effort. Climb by heart rate or breathing, not pace. Running pays off here: run wherever you can.
  • Home · 22.8km–26.3km · Descent of 290m averaging 8%. No heroics: settle back into your own effort and hold it to the line.

Course

The course climbs 1188m+. With 44m/km of climbing, this is a rolling, mostly runnable course. By gradient, 27% of the distance is uphill, 33% downhill and 39% flat. The longest climb runs 2.8km at an average 12.0% grade (332m of vertical). The longest descent runs 5.9km at an average 5.1% grade (300m of vertical). The steepest climb averages 34.0% over 0.4km. The steepest descent drops at 44.4% over 0.2km. Surface: 89% trail.

Summits

The course also passes close to Little Flat (738m).

Poles

Poles bring little benefit here: only about 4.0km of pole-friendly terrain.

Quad damage

Quad damage risk is low (index 15 of 100): a few descents worth noting, none of them decisive.

  • Control your HR on the first mountain, save your quads on the way down from it until 8.2km, then run your race pace, and go all out on the final descent from 22.8km.
  • #1 · 2.8–8.1 km · 324 m D−, -6.0% · 18.2 km ahead → control
  • 22.8–26.3 km · 290 m D−, -8.2% · 0.0 km ahead → free

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

Other distances of Rothrock by UTMB 2027Rothrock 50K (53.3km)

Other editions of Rothrock 25K2026

Official websiterothrock.utmb.world