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official Istria 100 by UTMB white race logo

Meet Your Extraordinary

About the race

ISTRIA 100 by UTMB started in 2013 and today it gathers more than 2500 runners from all over the world. In 5 distances, 100 miles, 110k, 69k, 42k and 21k, courses combine every aspect of Istria: difficult and technical terrain, little bit of coasteering, old medieval towns, deep forests, city centres, muddy wallies, streams and brooks, canyons and many beautiful panoramas.

Discover the races

Registrations open

11th April 2025
168K

Race Category

ws100M

Running Stones

4

Distance

168.6 KM

Elevation Gain

6590 M+

Registrations open

12th April 2025
110K

Race Category

ws100KM

Running Stones

3

Distance

110 KM

Elevation Gain

3860 M+

Registrations open

12th April 2025
69K

Race Category

ws50KM

Running Stones

2

Distance

69.2 KM

Elevation Gain

2220 M+

Registrations open

12th April 2025
42K

Race Category

ws50KM

Running Stones

2

Distance

42.1 KM

Elevation Gain

950 M+

Registrations open

13th April 2025
21K

Race Category

ws20KM

Running Stones

1

Distance

21.4 KM

Elevation Gain

130 M+

2024 Highlights Video

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