Thursday marks the 50th anniversary of Jim Ryun’s record mile run as a high schooler.
Mary Cain, U.S. 1,500m champion, withdraws with a calf injury.
The Americans bring a strong field to this year's race in the heart of Manhattan.
Men's, women's 800m winners triumph in quick fashion on the final day of the USA Outdoor Track & Field Championships.
He betters David Torrence's mark by two seconds.
They join the American defending champions.
Craig Miller and Heather Kampf hope to repeat their victories.
Top elite athletes are giving back to the sport.
Craig Miller prevailed in the men's race.