Athing Mu Excluded from US Track Team for Paris Olympics

Olympic champions and rising stars dominate the roster while Mu misses out due to a fall at trials.

Noah Lyles and Sha'Carri Richardson headline the US track and field team.
Sydney McLaughlin-Levrone and Ryan Crouser are among the four reigning Olympic champions on the roster.
Teen phenom Quincy Wilson, 16, joins the relay pool after breaking records at trials.
Mu, a key member of the 4x400m relay team in Tokyo, fell and finished last in the 800m trials.
The US team includes over 100 athletes, with competitions beginning in Paris on August 1.