 porthi dooram ayiram ‌ human pooti girinchi yea paeraa andinchabadindi ,  prathi cramasikshana entha dooramlo Pali 
1990 l madhyakalam nundi anek  WTC  yetara porthi dhoora triathlon ‌ lu jarigaay .  parimitha sankhyalo  WTC- manjooraina ewent ‌ lu mariyu prathi jaatiki andubatulo unna parimitha sankhyalo entriilu ,  yea trade ‌ marque laeni ewent ‌ laku demanded ‌ ni srustinchina creedaloo vruddhini kalipindi .  vaariloo chaalaamandi ayiram ‌ human triathlon ‌ thoo  2.4- mylu  (3.9  kimi ), 112- mylu  (180  kimi ), 26.2- mylu  (42.2  kimi )  aakrutini panchukuntaru .  nijaniki ,  chaaala mandhi ayiram ‌ human perunu upayoginchaaru .  dhookudu trade ‌ marque rakshana kaaranamgaa ,  yea jaatulalo ekuva mandhi  " ayiram ‌ human "  aney padaanni upayogincharu .
 porthi ayiram ‌ human pootiki dhooraalu etha choose  2.4  maillu  (3.9  kimi ),  baik choose  112  maillu  (180  kimi )  mariyu parugu choose  26.2  maillu  (42.2  kimi ).