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
  2. Trail running
  3. 2025
  4. Julian Alps Trail Run by UTMB
Julian Alps Trail Run by UTMB
124km12480km8050km5025km2515km1510km10

FUNNY 10K

UTMB World Series
10.0km·300m+
September 19
Kranjska Gora,
Slovenia
source

Race Pace Calculator · GPX Analyzer · Trail Finder

Other races: Slovenia

  • Čaven Run · Čaven VertikalOctober 24, 2026 · 4.3km · 1074m+
  • Obala Ultra Trail · 11kmNovember 7, 2026 · 11.0km · 200m+
  • GO4Trail · GO TRIMNovember 7, 2026 · 13.3km · 760m+
  • Obala Ultra Trail · 17kmNovember 7, 2026 · 17.0km · 450m+
  • Čaven Run · Čaven TrailOctober 24, 2026 · 17.0km · 1293m+
  • GO4Trail · GO 3VNovember 7, 2026 · 28.0km · 1700m+

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: Slovenia

FUNNY 10K · Race profile

Distance
10.0km
Gain
300m+
FlatKM
11.7
Max
1010m
Min
759m

About FUNNY 10K

FUNNY 10K is the 10.0km trail race at Julian Alps Trail Run by UTMB 2025 (Kranjska Gora, Slovenia). The race starts on September 19, 2025.

Race strategy

Short race: go all out.

  • Hold your race pace up to 5.1km, but stay in control.
  • Control your HR on the first mountain, and go all out on the final descent from 5.1km.
  • Start · 0.0km–2.1km · Race-day nerves push your heart rate up: don't follow the crowd, find your own rhythm.
  • Work · 2.1km–5.1km · Climb of 223m, high point 1011m. This is where the race is built: steady, solid effort. Climb by heart rate or breathing, not pace.
  • Home · 5.1km–11.1km · Descent of 251m averaging 4%. Kick for the line: give it everything you've got.

Course

The course climbs 300m+. With 30m/km of climbing, this is a rolling, mostly runnable course. By gradient, 30% of the distance is uphill, 24% downhill and 46% flat. The longest climb runs 5.1km at an average 4.4% grade (223m of vertical). The longest descent runs 6.0km at an average 4.1% grade (251m of vertical). The steepest climb averages 7.9% over 1.0km. The steepest descent drops at 17.1% over 0.3km. Surface: 56% trail and 44% road. Flat-equivalent effort: 11.7 FlatKM.

Poles

The course is runnable enough that trekking poles are not needed.

Quad damage

There is too little runnable descent to damage the quads: plan the race around climbing and fuelling.

  • Control your HR on the first mountain, and go all out on the final descent from 5.1km.
  • 5.1–11.1 km · 251 m D−, -4.2% · 0.0 km ahead → free

Weather

On race day, start temperatures have historically ranged from 9°C to 18°C, with around 13°C at the highest point; the chance of precipitation is about 42%.

Results

404 finishers completed the 2025 edition. Men's winner: Tomaž Oblak (Slovenia) in 43:43. Women's winner: Tatjana Samoilova (Latvia) in 50:59.

This page has the full results and splits, a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for FUNNY 10K.

Other distances of Julian Alps Trail Run by UTMB 2025I Feel Slovenia 120K (124km)·Lake Bled 80K (80.0km)·Sky Trail 50K (50.0km)·Kranjska Gora 25K (25.0km)·INTERSPORT SPEED 15K (15.0km)

Other editions of FUNNY 10K2026

Official websitejulianalps.utmb.world