"This is a tremendous honor for me," Bookman said. "Being ranked in the top 10 without running any international meets is something that I am really proud of. The ranking gives me high expectations to live up to and now it's time to put up or shut up."
Reynolds placed third at the USA Outdoor Championships in the discus (205-9) and is currently ranked fourth overall in the U.S.
Gruber is a newcomer to the U.S. rankings and is currently ranked sixth in the 1500m. The KU grad won the Kansas Relays mile, finished sixth at Portland's Grand Prix 1500 with a personal-best time of 3:39.74 and finished fifth (3:45.29) at the USA Track and Field Outdoor Championships. The Denver, Col. native also won the individual 1500m title (3:43.03) at the USA Track and Field Mid-Summer Games