EUGENE, Ore. — UC Irvine's Charles Jock won his semifinal heat in the 800 meters at the USA Track & Field Championships on Friday.
The 2011 first-team All-American posted a time of 1 minute, 45.80 seconds in the close race at Hayward Field. Tyler Mulder of Oregon TC Elite finished second in 1:45.82, Casmir Loxsom of Penn State third in 1:45.85 and Nicholas Symmonds of Oregon TC Elite fourth in 1:45.87. They all move on to the final Sunday.
Jock, who recently completed his junior season at UCI, had splits of 24.78 at 200 meters, 51.34 at 400 and 1:18.93 at 600 in posting the fastest time of the 16 runners who competed Friday.