Bulgarian top mountain runner Kiril Nikolov, aka Disl, has made it to the top peaks of Bulgaria's 5 tallest mountains in less than 23 hours.

Nikolov finished his run in the Dragalevtsi district of Bulgarian capital Sofia after climbing up and down Cherni Vrah (2290 m asl) in the nearby Vitosha mountain.

He started out Wednesday evening by summitting Botev (2376 m) in Stara Planina.

Then he was off to Pirin's Vihren (2914 m), Osogovo's Ruen (2251 m) and Rila's Musala (2925 m), the last one being the tallest peak in South-Eastern Europe.

Kiril Disl (Diesel) Nikolov has won a number of medals in mountain running and orienteering.

When not running individually, he competes for Finnish team Kalevan Rasti.

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