Umag, Croatia · April 2 – 5, 2026
Istria 100 by UTMB 2025 is a trail running event in Umag, Croatia, held on April 2 – 5, 2026, with 5 races: Istria 100 by UTMB® 168K (168 km), Istria 100 by UTMB® 110K (110 km), Istria 100 by UTMB® 69K (69.0 km), Istria 100 by UTMB® 42K (42.0 km), and Istria 100 by UTMB® 21K (21.0 km).
Official websiteistria.utmb.world
| Race | Distance | D+ / D− | Start | Status |
|---|---|---|---|---|
| 168 km | 6600 m+ | April 10 | ||
| 110 km | 3900 m+ | April 10 | ||
| 69.0 km | 2200 m+ | April 10 | ||
| 42.0 km | 950 m+ | April 10 | ||
| 21.0 km | 150 m+ | April 10 |
