Ashton Eaton breaks the decathlon world record at the United States Olympic Trials.

Ashton James Eaton is a retired American decathlete and two-time Olympic champion, who holds the world record in the indoor heptathlon event. Eaton was the second decathlete to break the 9,000-point barrier in the decathlon, with 9,039 points, a score he bettered on August 29, 2015, when he beat his own world record with a score of 9,045 points, and remains the only person to exceed 9,000 points twice. His world record was broken on September 16, 2018, by Frenchman Kevin Mayer, who became the third man to pass the 9,000-point barrier, with a total of 9,126 points.

The first world record in the decathlon was recognized by the International Association of Athletics Federations in 1922.

The 2012 United States Olympic trials for track and field were held at Hayward Field in Eugene, Oregon. Organized by USA Track and Field, the ten-day competition lasted from June 21 until July 1 and served as the national championships in track and field for the United States.

June 23 is the 174th day of the year in the Gregorian calendar; 191 days remain until the end of the year.