Istria 100 by UTMB
Istria 100 by UTMB , part of the UTMB World Series, is a trail race held in Umag, Croatia. The 2027 edition takes place on Thursday, 1 April 2027. Distances on offer include 20K, 100K, 50K and 100 Miles.
Who it's for
Built for experienced trail running athletes.
Good fit if you…
- are experienced in trail running and want a hard race
- want a choice of distances
Maybe not if you…
- are brand-new to trail running: start with something shorter
What should you know about Istria 100 by UTMB ?
- Date
- Thursday, 1 April 2027
- Format
- 20K · 100K · 50K · 100 Miles
Need to know
When is Istria 100 by UTMB 2027?
Istria 100 by UTMB takes place on Thursday, 1 April 2027. Dates can move year to year, so confirm the exact day on the official race page before you book travel.
How do you register for Istria 100 by UTMB ?
Where does Istria 100 by UTMB take place?
Umag, Croatia
FAQs
What do athletes ask about Istria 100 by UTMB ?
Where is Istria 100 by UTMB held?
Istria 100 by UTMB is held in Umag, Croatia. The race page has the venue location and a map, and links straight through to the official site for the precise start area.
What distances can you race at Istria 100 by UTMB ?
Istria 100 by UTMB offers 20K, 100K, 50K and 100 Miles. Pick your distance and enter on the official site. Each format usually has its own start wave and cut-offs.
What is the terrain like at Istria 100 by UTMB ?
Istria 100 by UTMB is held on trail terrain. Terrain shapes your pacing, kit, and shoe choice, so factor it into your prep. The official course page has the detailed route.
How do I enter Istria 100 by UTMB ?
You enter Istria 100 by UTMB through the official organiser. Registration is handled on their site, and FindMyNextRace links you straight there. Places for popular editions can sell out early, so register as soon as entry opens.
Is Istria 100 by UTMB part of a race series?
Yes, Istria 100 by UTMB is part of the UTMB World Series series. Series events often share a qualification, points, or championship pathway, so if you're chasing the series, check how this race fits its calendar.
How should I train for Istria 100 by UTMB ?
Training for Istria 100 by UTMB depends on your target distance and current fitness. Most athletes follow a structured block of 12–20 weeks for a 20K effort. Build a plan tailored to your race date and level with AI Training Plan (https://aitrainingplan.app).
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