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Chianti Ultra Trail by UTMB
123km12373km7346km4620km2010km10

Ultra Trail Chianti Castles

UTMB World Series
123.0km·5200m+
March 20, 04:00 AM
Radda in Chianti,
Italy
utmb·source

Race Pace Calculator · GPX Analyzer · Trail Finder

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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: Italy

Ultra Trail Chianti Castles · Race profile

Distance
123km
Gain
5200m+
FlatKM
149.0
Max
896m
Min
296m

About Ultra Trail Chianti Castles

Ultra Trail Chianti Castles is the 123km ultra trail at Chianti Ultra Trail by UTMB 2027 (Radda in Chianti, Italy). The race starts on March 20, 2027 at 04:00 AM. It starts and finishes in Radda in Chianti. The time limit is 26 h 30 min.

Race strategy

Hold a steady pace and save energy for every section.

  • The finish is runnable. Save your legs to run it all the way.
  • Long race. Control your HR and effort. Early mistakes cost the most.
  • Ease into the early runnable section, then run your race pace.
  • Start · 0.0km–1.8km · Race-day nerves push your heart rate up: don't follow the crowd, find your own rhythm.
  • Settle in · 1.8km–50.6km · Plus 1 more climb. Ease in: hold back more than feels necessary. The race is still ahead. Climb by heart rate or breathing, not pace. Running pays off here: run wherever you can.
  • Work · 50.6km–61.9km · Plus 1 more descent. This is where the race is built: steady, solid effort. Running pays off here: run wherever you can.
  • Fade · 61.9km–116km · 5.9km of runnable trail, high point 900m. Plus 2 more climbs and 2 descents. Your energy fades, and that's normal: hold a steady effort and stop counting the miles. Climb by heart rate or breathing, not pace. Running pays off here: run wherever you can. Your heart rate drifts down on its own: don't chase your early-race numbers, go by feel.
  • Home · 116km–121km · 5.2km of runnable trail. No heroics: settle back into your own effort and hold it to the line. Running pays off here: run wherever you can.

Course

The course climbs 5200m+. With 42m/km of climbing, this is a rolling, mostly runnable course. By gradient, 38% of the distance is uphill, 36% downhill and 26% flat. The longest climb runs 6.2km at an average 7.3% grade (452m of vertical). The longest descent runs 6.9km at an average 5.4% grade (370m of vertical). The steepest climb averages 28.0% over 0.3km. The steepest descent drops at 21.8% over 0.4km. Flat-equivalent effort: 149.0 FlatKM.

Summits

The highest summit on the course is Poggio a Barberi (679m), 68.3km from the start. The course also passes close to Monte San Michele (893m) and Poggio Pedano (857m).

Poles

Poles bring little benefit here: only about 11.5km of pole-friendly terrain.

Quad damage

Quad damage risk is high (index 50 of 100), with 51% of the load in the first half: 0 critical descents, the last of them run on already damaged legs. Downhill-specific preparation and a controlled early pace pay off here.

  • 58.9–61.9 km · 264 m D−, -8.6% · 58.8 km ahead → your pace
  • 68.2–75.1 km · 370 m D−, -5.3% · 45.7 km ahead → your pace
  • 108.7–115.5 km · 510 m D−, -7.5% · 5.2 km ahead → your pace

This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Ultra Trail Chianti Castles.

Other distances of Chianti Ultra Trail by UTMB 2027Chianti Ultra Trail (73.0km)·Chianti Marathon Trail (46.0km)·Chianti Half Trail (20.0km)·Chianti Wine Run (10.0km)

Other editions of Ultra Trail Chianti Castles2026·2025

Official websitechianti.utmb.world