Charles "Mac" Cassin (center) of Denver Colo., has his bike weighed by assistant official Diane Fox, while cyclist Austin Allison, of Saint Louis, Mo., looks on before they compete in the time trials for the USA Cycling National Championships at Strom Thurmond Dam on June 21.
A cyclist rides by as Joellen Mach, 19, of Sterling, Va., waits with her camera to photograph her brother and his racing team during time trials for the USA Cycling National Championships at Strom Thurmond Dam on June 21.
Back 
![Charles "Mac" Cassin (center) of Denver Colo., has his bike weighed by assistant official Diane Fox, while cyclist Austin Allison, of Saint Louis, Mo., looks on before they compete in the time trials for the USA Cycling National Championships at Strom Thurmond Dam on June 21. EMILY ROSE BENNETT/STAFF](http://newstimes.augusta.com/sites/default/files/imagecache/superphoto/11284249.jpg "Charles "Mac" Cassin (center) of Denver Colo., has his bike weighed by assistant official Diane Fox, while cyclist Austin Allison, of Saint Louis, Mo., looks on before they compete in the time trials for the USA Cycling National Championships at Strom Thurmond Dam on June 21. EMILY ROSE BENNETT/STAFF")
