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Trail Races in Croatia 2026: Calendar, Courses & Results

5 upcoming trail races — Croatia. Every race links to its course profile, terrain breakdown and results. Full calendar

RaceDatePlaceDistanceD+
Istria 100 by UTMB · Istria 100 by UTMB® 168KApril 2, 2027Labin168 km6800 m+
Istria 100 by UTMB · Istria 100 by UTMB® 110KApril 3, 2027Buzet111 km4200 m+
Istria 100 by UTMB · Istria 100 by UTMB® 69KApril 3, 2027Buzet69.6 km2400 m+
April 3, 2027Motovun42.0 km1000 m+
April 4, 2027Grožnjan21.5 km157 m+

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GPX AnalyzerUpload any GPX and see the elevation profile, climbs, descents and terrain mix.Race Pace CalculatorFinish time, checkpoint splits and fueling from the real course profile.Trail FinderExplore trail gradients on the map and build a loop from any point.Trail Race CalendarUpcoming trail races by country and distance, with course data.Terrain ChallengesCompare your terrain to the world's hardest courses.
Istria 100 by UTMB · Istria 100 by UTMB® 42K
Istria 100 by UTMB · Istria 100 by UTMB® 21K
Trail races by countryFrance·Italy·Spain·Serbia·United States·Slovenia
By distance40–45km·50k·50 miles·100k·100 miles