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Fiveman Team

David Kostruh


+420 602 531 884


Hello, thank you for your interest in our FIVEMAN world race series. As the director, I have rich experience in both racing and living, which the year I was born in, 1967, suggests. I believe we’ll succeed in preparing unique races for you to experience both pain and joy. Please send all compliments to my e-mail or just call me. Please contact my colleagues regarding anything else. A top triathlete and ultraman, Michal is the first Czech to conquer the EPIC5 challenge in Hawaii in an all-time record. He’ll help you with the trails and sports related questions. Renáta is our background organiser and always knows exactly who meets whom, where and when. You’ll see her almost everywhere during the race events. Markéta will see that you are duly registered and receive all necessary information before the race to be able to train comfortably and get ready. I’m looking forward to meeting you!

Michal Šubrt

Sports Director


I like non-traditional challenges that everyone will not let go of. I like to overcome myself, to find things that others think are unmanageable. I do not like the expression “it’s not possible”, and I sometimes have to make friend with the pain. If you want to find out what’s in you, you can find new limits of your abilities, then you are right here, and I will do everything in order to experience an unforgettable euphoria at the finish.


Renáta Foltysová

Head of Administration

+420 725 705 379


Educated as a hotel manager, working as a photographer and having an adventurous character, I love challenges and I believe that endurance is a way to success, and not only in sports. And our FIVEMAN event is about endurance and persistence. Human stories inspire me and motivate me on my own journey and in my job. I’m looking forward to hearing your story!

Markéta Arazimová

Head of Communication

+420 604 765 565


In winter, you can most often found me skiing in Kaprun or Zell am See in Austria, where I both train and give lessons, as skiing is my sports passion number one. In summer, I prefer swimming, cycling and running. I’ve done a couple of half ironmans. I don’t know now where sports will take me in the future. But what I know for sure is that FIVEMAN is a unique experience and I want to be there with you!