Watch Semira Killebrew drop a 23.95 second 200m effort at AAU Club Nationals in Florida
Mu squeaks in ahead of Olivia Baker's 52.46 and is only behind Sydney McLaughlin's 51.87.
The final day of the AAU Club National Championships was full of records and elite performances
The sixth day of competition at the AAU Club Championships was a day full of promising semifinal performances
Check out the preliminary runs of Tyrese Cooper and Taylor Banks at AAU Club Nationals
Miami Gardens Xpress' Cha'iel Johnson ripped through a majorly fast 800m at AAU Club Nationals
Watch the 2018 AAU Club Nationals from Lake Buena Vista, FL LIVE on FloTrack.
Denise Spann recaps all of the highlights from day three of the AAU Club Championships.
We recap the first two days of the AAU National Club Championships.
Get ready for an epic event this week in Orlando, Florida.
We breakdown the rankings for every age group from six and under to 17-18.
See where you stack up against your peers.
Check out entries for this Monday's AAU National Club Championships, which is LIVE on FloTrack