rock 'n' roll marathon June 1. Rock, reggae, country and jazz bands line the 26.2-mile course from Balboa Park to Point Loma. The '80s legends Pat Benatar and Neil Giraldo headline the post-race concert. 858.450.6510. Map J11

san diego padres Major League Baseball. June 2-4: Nationals; June 5-8: Mets; June 10-12: Dodgers; June 20-22: Tigers; June 24-26: Twins; June 27-29: Mariners; July 7-9: Marlins; July 11-13: Braves; July 28-30: Diamondbacks; Aug. 1-3: Giants; Aug. 12-14: Brewers; Aug. 15-17: Phillies; Aug. 25-27: Diamondbacks; Aug. 28-31: Rockies. Petco Park, 100 Park Blvd., East Village, 619.795.5000. Map Q16

U.S. Open June 9-15. Golf's greatest talents play for only the second time in history on a public course, La Jolla's legendary Torrey Pines. Practice rounds run June 9-11; championship rounds follow June 12-15. Spectators lucky enough snag tickets can park free at Qualcomm Stadium and take a 30-minute shuttle to the course. Torrey Pines Golf Course, 11480 N. Torrey Pines Road, La Jolla, 800.698.0661, usopen.com. Map S19

25th annual san diego international triathlon June 29. Features a 1K swim, 30K bike ride, 10K run and a sprint course. Starts at Spanish Landing and ends at Embarcadero. 858.268.1250. Map K9

55th annual world championship over-the-line tournament July 12-13, 19-20. Three-member teams compete in San Diego's original beach softball event. Colorful event for mature audiences. Fiesta Island, Mission Bay, 619.688.0817. Map I9

del mar racing July 16-Sept. 3. Thoroughbred racing six days a week (dark Tues.). Post time most days is 2 p.m. Special events include 4 O'Clock Fridays concert series and Microwbrew Festival. Del Mar Fairgrounds, 2260 Jimmy Durante Blvd., Del Mar, 858.755.1141. Map X22

camp pendleton international triathlon July 19. A 1.5K swim, 40K bike ride and a 10K run. I-5 at Camp Pendleton/Harbor Drive exit, Camp Pendleton, 760.725.6836. Map W23

camp pendleton sprint triathlon Aug. 9. Includes a 500-yard swim, a 30K bike ride and a 5K run. I-5 at Camp Pendleton/Harbor Drive exit, Camp Pendleton, 760.725.6836. Map W23

america's finest city half marathon Aug. 17. Athletes test their endurance on this 13.1-mile course. Half marathon begins at historic Cabrillo National Monument, follows scenic San Diego Bay and Harbor Island along the Embarcadero, winds through downtown San Diego and ends in Balboa Park. Event also features a 5K run/walk in Balboa Park. Entry is $75 before June 17; $80 after. Cabrillo National Monument, 1800 Cabrillo Memorial Drive, Point Loma, 760.692.2900. Map L8