Why was Team USA allowed to do a solo re run on the women’s 4x100 relay heat

Team USA's 4x100 meter relay team was allowed to do a solo re-run on the women's 4x100 relay heat due to a technical error during the race. One of the runners, Jenna Prandini, tripped and fell during the first leg of the race, and as a result, she handed the baton off to teammate Tianna Bartoletta well behind the pack. The error was deemed beyond Team USA's control based on the TV replay, so they were given the opportunity to re-run the race without the other teams. Team USA ended up winning the re-run and qualifying for the final.

Related Questions:

  • Why did Team USA get a solo re-run in the women's 4x100 relay heat?
  • Who tripped and fell during the first leg of the race?
  • Who did the fallen runner hand the baton off to?
  • What was the final result of the re-run?
  • What rule allowed Team USA to do a solo re-run?

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