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求一篇描写铁人三项的英文

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求一篇描写铁人三项的英文
小短文
用初三的知识写
A triathlon is a multi-sport endurance event consisting of swimming,cycling,and running in immediate succession over various distances.Triathletes compete for fastest overall course completion time,including timed "transitions" between the individual swim,bike,and run components.
Triathlon races vary in distance.According to the International Triathlon Union,and USA Triathlon,the main international race distances are Sprint distance (750m swim,20km bike,5km run),Intermediate distance commonly referred to as "Olympic distance" (1.5km swim,40km ride,10km run),the Long Course 1.9km swim,90km ride,21.1km run,such as the Half Ironman),and Ultra Distance (3.8km swim,180 km ride,and a marathon:42.2km run),the most popular branded Ultra Distance is the Ironman triathlon.[1]
Transition areas are positioned both between the swim and bike segments (T1),and the bike and run segments (T2),and are often just one checkpoint,especially in shorter courses.These areas are used to store bicycles,performance apparel,and any other accessories essential for preparing and gearing for the next stage of the race.The transition times (T1 and T2) are included in the overall time of the race.So speed during transition - removing the wetsuit,putting on the helmet,putting on the running shoes - is essential.Elite triathletes have the bicycle shoes mounted on the bikes before the race and place their feet into them when riding.In large races,transitions areas maybe up to a kilometer long,and be storing over 2000 entrants bicycles.In addition,these areas provide a social headquarters prior to the race,and are an integral part of triathlon culture.
The demanding nature of the sport focuses primarily on persistent and often periodized training in each of the three disciplines,as well as combination workouts and general strength conditioning to ensure the highest levels of endurance,strength,and power possible come race day.Proficiency in swimming,cycling,and running alone is often not sufficient for success in triathlon.