Allyson Felix, Dwight Phillips Joanna Hayes and Asafa Powell will lead a galaxy of stars converging on Hilmer Lodge Stadium for the 49th annual Mt. SAC Relays this weekend in Walnut, California. The three-day competition will showcase high school, collegiate and world-class athletes.

The Invitational Division on Sunday, April 15 will feature international and Olympic stars including U.S. Olympic silver medalist and reigning world outdoor women's 200m champion Allyson Felix (in 400m competition), reigning Olympic and world outdoor men's long jump champion Dwight Phillips, 2004 Olympic women's 100m gold medalist Joanna Hayes and men's 100-meter world record holder Asafa Powell, who will compete in 4x100m relay competition for Jamaica against the U.S. National Team. Team USA quartets also will compete in 4x400m relay competition.

Elsewhere, two-time USA Outdoor men's 1,500m champion Alan Webb will compete in the 800 meters against 2006 USA Indoor mile champion Chris Lukezic and Sam Burley, who placed fourth in the two-lap event at the 2006 AT&T USA Outdoor Championships. The Americans will be challenged by reigning Olympic 400m hurdles champion Felix Sanchez of the Dominican Republic.

In other running events, look for a highly competitive women's 200 meters featuring 2003 World Outdoor Championships silver medalist Torri Edwards, 2004 Olympian LaShauntea Moore and former UCLA standout and 2004 Olympic relay gold medalist Monique Henderson.

The men's pole vault will feature an interesting border battle between U.S. Olympic silver medalist Toby Stevenson and Mexican Olympian and record holder Giovanni Lanaro. They have battled for the past two Mt. SAC Relays titles, finishing first and second each year. Along with Stevenson and Lanaro, Japanese record holder and Olympian Daichi Sawano (#6 IAAF world ranking) and 2006 U.S. Champion Russ Buller also will showcase their talents in this stellar field.

In other field events, look for three-time Olympian Amy Acuff in the women's high jump, Jesse Williams (world-ranked #9) in the men's high jump, along with A.G. Kruger (ranked #1 U.S.) and Jake Freeman (ranked #4 U.S.) in the men's hammer throw.

Friday, April 13th will feature the Invitational Distance Carnival and Saturday, April 14th will feature the High School Division. All three days will feature collegiate competition.