SI's Best Shots From National Championships
SI's best shots from the U.S. Track and Field National Championships in Des Moines, Iowa.
Tyson Gay races to victory over Justin Gatlin, Charles Silmon and Rakieem Salaam in the men's 100-meter final.
English Gardner won the women's 100 with a world-leading time of 10.85 seconds.
Seventeen-year-old Mary Cain reacts to finishing second in the 1,500, which qualified her for the world championships in Moscow in August.
Cain is strongly believed to be the youngest U.S. athlete to make a worlds team in the 14 renewals of the 1,500, which was first contested in 1983.
Treniere Moser (right) and Mary Cain (left) finish first and second, respectively, in their heat of the 1,500. They repeated that order of finish in the final.
Brianna Rollins (left) set an American record in the 100-meter hurdles, running a 12.26 to break the mark of Gail Devers in 2000. Lolo Jones (right) finished fourth.
Brianna Rollins leads the pack to win the 100-meter hurdle final. She turned in the fastest time in a 100 hurdles race in 21 years.
Sharon Day captured the heptathlon title, and won the high jump when she cleared 6 feet, 2.75 inches.
A.G. Kruger claimed the national title in the hammer throw nearly two decades after he made his athletic debut in Des Moines.
Michelle Carter, the daughter of former NFL nose tackle Michael Carter, won the shot put. She set an American record in the process, with a throw of 66 feet, 5 inches.
English Gardner races against Lauryn Williams and Octavious Freeman in a 100 semifinal.
English Gardner went on to win the 100 final in a time of 10.85, edging Octavious Freeman (10.87) and Alexandria Anderson (10.91).
A member of the U.S. gold medal-winning 4x400 relay team in Beijing, Natasha Hastings took the women's 400 with a time of 49.94.
Shalane Flanagan leads the pack en route to winning the 10,000-meter final.
Erik Sowinski, Nicholas Symmonds and Tyler Mulder were among the top four finishers in their 800-meter semifinal and advanced to the next day's final.
Brittany Borman selects a javelin before taking her final throw.
Brittany Borman won the javelin on her final throw.
The men make a splash in the 3,000-meter steeplechase.
David Oliver won his heat of the 110-meter hurdles.
Alysia Montano won her semifinal to advance to the final of the 800-meter run.
Andrea Geubelle celebrates after winning the triple jump.
Toni Smith finished second in the triple jump.
Toni Smith takes a victory lap.
Matthew Centrowitz punched his ticket to Moscow by winning the 1,500.
Olympic silver medalist Michael Tinsley won the 400-meter hurdles in 47.96, becoming the first in the world to go under 48 seconds this season.
LeShawn Merritt showed his winning form in taking the 400-meter dash title with a time of 44.21.
Silver medalist at the London Games, Brigetta Barrett won the event at nationals by clearing 6 feet, 8.25 inches.
The field during the first round of the women's steeplechase.
Ryann Krais competes during the 800-meter final of the heptathlon.
Chris Carter finished fourth in the triple jump.
William Claye earned a trip to the worlds by taking second in the triple jump.
Allison Reasor competes in the heptathlon long jump.
Bettie Wade competes during the heptathlon long jump.
After winning this semifinal heat of the 200, Tyson Gay went on to take the final in a time of 19.74 -- the fastest time in the world this year.
Ryan Wilson (right) beat David Oliver (left) and the rest of the field to the tape in the finals of the 110-meter hurdles.
Kimberlyn Duncan (left), the only sprinter in collegiate history -- male or female -- to sweep NCAA Indoor and Outdoor championships in the 200 in three-consecutive seasons, knocked off Olympic gold medalist Allyson Felix at nationals. The LSU product was clocked at 21.80 seconds, while Felix (center) finished second in 21.85. Jeneba Tarmoh took third.
Jennifer Simpson won the 5,000 at nationals, but has already said she'll run only the 1,500 at worlds and not attempt a double.
Bronze medalist at the London Olympics, Reese Hoffa topped the field at nationals.
Evan Jaeger (second from right) survived a bunched up field to win the steeplechase.