Istria 100 by UTMBUmag, Istria, Croatia🇭🇷
215 days to go
- Date
- Apr 1 - 4, Thu - Sun · 17:00
- City
- Umag, Istria, Croatia
- Deadline
- Mon, Feb 1, 2027
Courses
| Course | Distance | Elevation Gain | Km-effort | Fee |
|---|---|---|---|---|
| 168K | 168 km | 6800 m D+ | 236 · XXL | 303,75 € |
| 111K | 111 km | 4200 m D+ | 153 · L | 258,75 € |
| 69.6K | 69.6 km | 2400 m D+ | 94 · M | 157,5 € |
| 42K | 42 km | 1000 m D+ | 52 · S | 140,63 € |
| 21.5K | 21.5 km | 157 m D+ | 23 · XXS | 90 € |
Calculators for this race
Registration
- StandardThu, Jun 18, 2026 - Mon, Feb 1, 2027Registration open
Data sources: UTMB World Series, official site (istria.utmb.world) · Last checked:
Data is compiled automatically and may change; check the official source before entering.
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Frequently asked questions
(10)
What is Istria 100 by UTMB?
Istria 100 by UTMB: Thu, Apr 1, 2027, Umag, Istria, Croatia. Date, courses and registration details for this Trail race.
When is Istria 100 by UTMB 2027?
Istria 100 by UTMB takes place on Thu, Apr 1, 2027 - Sun, Apr 4, 2027. Start time: 17:00.
Where does Istria 100 by UTMB take place?
Istria 100 by UTMB takes place in Umag, Istria, Croatia.
What are the courses and distances of Istria 100 by UTMB 2027?
Istria 100 by UTMB offers 5 courses: 168K (168 km, 6800 m D+); 111K (111 km, 4200 m D+); 69.6K (69.6 km, 2400 m D+); 42K (42 km, 1000 m D+); 21.5K (21.5 km, 157 m D+).
How hard is Istria 100 by UTMB 2027?
Difficulty is measured in km-effort: distance plus ascent divided by 100. The 168K course covers 168 km with 6800 m of climbing, which is 236 km-effort and falls in ITRA category XXL. All courses: 168K 236 km-effort (XXL), 111K 153 km-effort (L), 69.6K 94 km-effort (M), 42K 52 km-effort (S), 21.5K 23 km-effort (XXS).
Is registration for Istria 100 by UTMB 2027 open?
Registration appears to be open; the deadline is Mon, Feb 1, 2027.
When is the registration deadline for Istria 100 by UTMB 2027?
The registration deadline for Istria 100 by UTMB is Mon, Feb 1, 2027.
Where are the Istria 100 by UTMB photos?
Istria 100 by UTMB photos are in the organiser's gallery: https://istria.utmb.world/get-excited/sportograf. The gallery may also cover earlier editions.
What is the official website of Istria 100 by UTMB?
Official website: https://istria.utmb.world/
Is a medical certificate required for Istria 100 by UTMB?
No, the organiser does not require a medical certificate. See the organiser's official page for the exact wording.