Dear triathletes, I would be delighted if you accept my invitation for triathlete festival of 7. year of Czech BIGMAN FESTIVAL - PRAGUE 2013 that will be held in hundred-spired Prague in the days of 5. - 6. 7. 2013. Totally closed courses are prepared for all OPEN races in Terrain Triathlon, Half Ironman and Long Distance Triathlon and unofficial World Championships in BIGMAN race (combination of Terrain Triathlon and Long Distance Triathlon in two consecutive days).