AUTO RACING: Start your engines!
It's the 103rd running of the country's biggest race - the Indianapolis 500 - at the Indianapolis Motor Speedway. Simon Pagenaud is the pole sitter at the Brickyard while the big news is that McLaren and two-time F1 world champion Fernando Alonso failed to qualify. Keep an eye on St. Petersburg resident Sebastien Bourdais. The IndyCar coverage begins at 11 a.m. Sunday on NBC for the 12:29 p.m. race.
Tampa Bay Rowdies: Our USL team hosts the Swope Park Rangers. Fans 14 and younger get a mini soccer ball, while supplies last. $17 and up. 7:30 p.m. Saturday. Al Lang Stadium, 230 First St. S, St. Petersburg. (727) 222-2000. ticketmaster.com.
Tampa Bay Rays: The Rays host the Toronto Blue Jays for a three-game visit Monday (1:10 p.m.), Tuesday (7:10 p.m.) and May 29 (7:10 p.m.). Prices vary by game. Tropicana Field, 1 Tropicana Drive, St. Petersburg. Toll-free 1-888-FAN-RAYS. mpv.tickets.com. TV: Fox Sports Sun; radio: 620-AM, 95.3-FM.
Spring Lake Memorial Classic: The Arc Nature Coast hosts this annual race that includes a 10K starting at 7:15 a.m., a 5K starting at 7:45 and a 2-mile fun walk-run starting at 8. All three courses, with chip timing, take participants along shaded tree-draped roads and over challenging hills and vistas. There will be a postrace food festival, and prizes will be awarded for the top three finishers in each age group. The event benefits the Arc Nature Coast, a nonprofit charitable organization serving individuals with intellectual and developmental disabilities in Hernando and Pasco counties. Registration is $35 for the 10K, $30 for the 5K and $25 for the fun walk-run. 7 a.m. Saturday. 5283 Neff Lake Road, Brooksville. (352) 544-2322. thearc-naturecoast.org.
Honor Our Heroes: The 5K run along Upper Tampa Bay passes through Veterans Park and along Shore Drive. The course must be completed in one hour and five minutes. Benefits veterans outreach efforts through Oldsmar Cares. $25-$42. 8 a.m. Saturday. Oldsmar City Hall, 100 State St. (813) 415-7373.
Promise Walk: A casual, hourlong walk to benefit the Pre-eclampsia Foundation. Free. 8 a.m. Saturday. Gadsden Park, 6901 S MacDill Ave., Tampa. (321) 421-6957. promisewalk.org.
Memorial Day "Murph": Known as one of CrossFit's toughest workouts, the "Murph" includes a 1-mile run, 100 pullups, 200 pushups, 300 squats and another 1-mile run. Benefits Team RWB St. Petersburg. Free (donations appreciated). 9 a.m. Monday. CrossFit 9, 2727 Sixth Ave. S, St. Petersburg. (727) 469-3240.
Pints and Pong: Approximately 32 players compete in a single-elimination Ping-Pong tournament. Prizes for top three finishers. $10. 6 p.m. May 29. 3 Daughters Brewing, 222 22nd St. S, St. Petersburg. (727) 495-6002.
BAYTAF Classic: Area youth compete in the 28th annual track and field competition. $7. 7 a.m. Saturday. University of South Florida, 4202 East Fowler Avenue, Tampa. (813) 974-2301. baytaf.org.