本研究之目的在瞭解國內鐵人三項競賽參與者的社經地位及其基本資料，並探討不同人口統計變項、參與行為在參與動機、期望及滿意度差異情形，藉以分析現有鐵人三項活動參與者的特徵。本研究以2008洄瀾國際鐵人三項精英賽參賽者為研究對象，採取問卷調查作為資料收集方法，本次活動總參賽選手共1,200名，本研究總共發出319份問卷，回收有效問卷198份，有效回收率為62％。並將問卷結果以SPSS統計軟體作分析，預計採用描述性統計、單因子變異數分析、Duncan事後比較分析等資料處理方法，透過結果與文獻之探討，針對研究結果做出建議，提供鐵人三項活動舉辦單位針對市場調查結果作出行銷及活動包裝等相關決策，擴大活動參與層面，並瞭解參與者參加此類賽會活動時，動機、期望、滿意度等考量因素，期能透過本研究，結合鐵人三項活動參與者及活動舉辦單位，成功推動鐵人三項運動。

　　The purpose of this study examined the behavior of domestic Triathlon game participants who has different social status and personal background. Therefore, take the participants of 2008 Hualien Cup International Triathlon Contest as the main research object, mainly aims at participants’ motivation and satisfaction to perform to differentiate in different population statistic and participation behavior, analyzes the characteristic of triathlon participants. The method of this research was questionnaires inquiry, the total questionnaires issued out to were 319, of which, 198 effective questionnaires returned. The data statistically analyzed by SPSS program of One-way Anova analysis, Duncan multiple comparisons, ect. Hinge on the result of study, providing the sponsor some advices from marketing to promotion and figure out what the competitors’ motivations, expectations, and satisfactions. Hope through this study, combining competitors and sponsor together, promoting triathlon successfully.