 Tichipihwa chinyorwa chekutanga kwe triathlon, ndiudzei kuti chiitiko ichi chakatanga kuitirwa kupi, gore ripi, uye ndeupi mutambo wakatanga mukutevedzana kwemujaho. Chiitiko chekutanga chemazuva ano chekutuhwinabhasikororun chakaitirwa kuMission Bay. , San Diego, California musi waGunyana 25, 1974. Mujaho uyu wakaumbwa uye wakatungamirirwa nenhengo mbiri dzeSan Diego Track Club, Jack Johnstone naDon Shanahan. Johnstone anoyeuka kuti aive chikamu che70s jogging craze muAmerica uye kuti mushure. kupinda mumijaho mishoma akanga asiri kuwanazve mediocre fitness yake kunyangwe akambove nhengo yezvikwata zvekutuhwina zveCollegiate neAAU All-American muna 1957. Zvino muna 1973, Johnstone akaziva nezveDave Pain Birthday Biathlon, 7.2 km 4.5 mi kumhanya kuchiteverwa nekwainzi kushambira kwekota-mamaira 0.4 km daro chairo raingova mayadhi ari pakati pe200 ne300. , Johnstone aida zvimwe zvemhando iyi yemujaho uye nekusimbisa zvakaenzana pakutuhwina. Saka akakumbira sachigaro weSan Diego Track Club uyo akamuudza kuti aizowedzera mujaho pakarenda yekirabhu. Asi mujaho wasara waive kuna Johnstone kuronga, uye panguva imwe cheteyo aifanira kubata Don Shanahan kuti pasazove nemijaho zvinoshamisa pachirongwa chekirabhu. Shanahan akaudza Johnstone kuti aida kuisa gumbo rebhasikoro kumujaho; apo Johnstone achizeza akabvuma kuwedzera. Pakudoma chiitiko vaviri ava vakashandisa iyo isiri yepamutemo yakabvumiranwa yekupa mazita ezviitiko zvemitambo yakawanda, yakatoshandiswa pentathlon, heptathlon, uye decathlon. Saka vakashandisa chivakashure chechiGiriki tri vatatu kuhuwandu hwezviitiko, zvichiteverwa neathlon yagara yajaira, nekudaro vachipa chiitiko ichi zita reMission Bay Triathlon. Zvakakosha kuziva kuti hapana muvambi akanga anzwa nezvezviitiko zveFrench; vose vaidavira kuti rudzi rwavo ipfungwa yakasiyana.PaChitatu, September 25, 1974, nhangemutange yacho yakatanga. Yakatanga nekumhanya kwe4.8 km 3 mi loop, ichiteverwa nekuchovha bhasikoro kaviri kutenderedza Fiesta Island kwehuwandu hwe8.0 km 5 mi. Vaipinda vaibva vaburuka pamabhasikoro vobvisa shangu dzavo vomhanyira mumvura kuti vatuhwine vakananga kunyika. Izvo zvakateverwa nekumhanya netsoka dzisina makumbo, zvino kushambira zvakare padyo nebay, zvino imwe yekupedzisira kushambira kusvika pamusuwo weFiesta Island, uye kukambaira kwekupedzisira kukwira kumawere evhu kuti apedze. Vazhinji vatori vechikamu vakanga vasiri vashahwi vane hunyanzvi, saka Johnstone akatsvaga mwanakomana wake ane makore 13 okukura kuti ayangamire pabhodhi rake rekusevha uye kuita semurindiri. Vamwe vatori vechikamu vakatora nguva yakareba kupfuura yavaitarisira, uye kwakatanga kusviba pavakapedza kushambira. Shanahan anoyeuka kuti vakasimudza mota shoma ndokubatidza mwenje kuti vatambi vaone. Johnstone naShanahan vakashamiswa nehuwandu hukuru hwevakapinda 46, kunyanya kubva kumakirabhu ekumhanya emuno. Vaviri vakakurumbira vakapinda, Judy naJohn Collins, makore mana gare gare vakawana chiitiko icho chakaunza kutariswa kwenyika dzese kumutambo mutsva: Hawaii Ironman.Teodoro Teddy de Villa Diaz akabayiwa akafa nevaviri vaivepo paaiva nemakore makumi maviri nemashanu. 