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IU-100K
IU-100K

From the northern forests’ green to shores of Black Sea… A hundred km long ULTRA adventure! Get ready for the first 100K ultra trail race of Istanbul!


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IU-60K
IU-60K

Amazing race course through Taşdelen Forests and Polonezköy’s beautiful nature will offer you a real challenge to push your limits! With it’s 60 km race course, IU-60K awaits for Ultra lovers!


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IU-30K
IU-30K

A 30 km long trail in the northern forests of İstanbul! IU-30K will give you a wonderful running experience with a beautiful sceneries.


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IU-15K
IU-15K

From beginners to proffessionals; here is IU-15K for who would like to enjoy this exciting trail experience in 15 km long race course!


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