Competing in seven track and field events in two days makes winning gold in the heptathlon one of the most challenging medals to claim in the Summer games — ta medal will be awarded Aug. 4. But do you know which events are included in the heptathlon? We've got the answer and a bunch of facts you need to know about this grueling competition before the games begin. Watch the video and let us know which event you'd be most likely to master.
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