Around the track: Walker wins in Chula Vista; Crawford takes hurdles in Victoria, and USA juniors preview...

In Chula Vista, California on Thursday, University of Washington alum Brad Walker (left/photo by Paul Merca) tuned up for the US Olympic Trials by winning the pole vault at the OTC Pre-Olympic Series VIII meet.

Walker cleared 18-9 1/4 (5.72m) to take the victory, with Mark Hollis finishing second at 18-5 3/4 (5.63m).

In other events at the Olympic Training Center, Marysville's Jarred Rome won