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An eventful morning for the U.S. women's 4x100-meter relay team left it with a solo run Thursday night to qualify for Friday's final.

Allyson Felix was attempting to hand the baton to English Gardner in the second leg of the competition Thursday morning, but was interfered with by a Brazilian runner, leading to the baton hitting the ground. However, because Team USA still completed the race, it was allowed to protest the result.


The team easily finished the qualifying run -- alone on the track -- with a 41.77 time.

It was the top time posted in the three heats, narrowly edging out Jamaica by 0.02 seconds for No. 1.

The final is set for Friday at 9:15 p.m. ET with the following lane assignments.

1. United States
2. Canada
3. Nigeria
4. Germany
5. Great Britain
6. Jamaica
7. Trinidad and Tobago
8. Ukraine