#track_event  a footrace performed on a track (indoor or outdoor)
  supertype:  #footrace__foot_race__run  a race run on foot; "she broke the record for the half-mile run"
  part of:  #track_meet
  subtype:  #dash  a footrace run at top speed; "he is preparing for the 100-yard dash"
  subtype:  #hurdles__hurdle__hurdling__hurdle_race  a footrace in which contestant must negotiate a series of hurdles
  subtype:  #mile  a footrace extending one mile; "he holds the record in the mile"

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