Course
Istria 168168 km
Istria 111111 km
Istria 6969.6 km
Istria 4242 km
Istria 2121.5 km
Key dates
- ★Race dayApril 2027 · date to be announced
Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.
About
These UTMB World Series trail races cross the Istrian peninsula on Croatia's Adriatic coast, combining coastal paths with the hills and forests of the interior across distances from 21K to 168K.
Your next race, seen from above.
Save Istria 100 by UTMB to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save Istria 100 by UTMB to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
More races in Istria All ›
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Cicarija Trail Run
Crosses the karst peaks of Istria's Ćićarija range
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.