Stars and Stripes, $75,000, 3-yr.-olds, 1? m., Arlington-at-Washington Park, Ill.
Suburban Handicap, $75,000, 3-yr.-olds and up, 1� m., Belmont Park, N.Y.
American Handicap, $50,000, 3-yr.-olds and up, 1? m., Hollywood Park, Calif.
[Television]The Messenger Stake (3-yr.-old pace), $50,000, Westbury, N.Y., 10 p.m. (ABC).*
The Transamerica (pace), $10,000, Northville, Mich.
Colorado Arabian Horse Show, Estes Park, Colo. (through July 6).
National Log Rolling Championship, Orofino, Idaho (also July 5).
Reno Rodeo, $8,100, Reno (through July 6).
Oklahoma State Skeet Shoot Championships, Tulsa (through July 6).
TRACK & FIELD
AAU National Decathlon Championships, Palmyra, N.J. (also July 5).
AAU National Senior Women's and Girls' Track & Field Championships, Morristown, N.J. (also July 5).
Saturday, July 5
Closed-Course Race, Fulton, N.Y. (also July 6).
[Network radio]SCCA National Sports Car Championship Race, Lime Rock, Conn. ( NBC).*