Spectator events along North Shore unless otherwise indicated. For a map, visit post-gazette.com.

TODAY

Land events:

• "Great Lawn of Liberty" spectator area for all water events, with "All Stars Strolling Performers" (barbershop quartets, jugglers, balloon artists and more) along Promenade & Great Lawn, noon-9:30 p.m.

• "Spacious Skies High" Climbing Wall, noon-8 p.m.

• AAA East Central DUI Simulator Experience, noon-8 p.m.

• USA "Protect and Serve" Military Zone, with interactive Hummers, dog tag designers and video games presented by the U.S. Army and Marines, noon-8 p.m.

• "Bonics on the Bridge" on Roberto Clemente Bridge, with KISS DJ Bonics, DJ Nugget and DJ Zimmie, fashion show and art corner with other entertainers, 5-9:30 p.m.

• U.S. Air Force "Patriot Pass" Fly Over, 7 p.m.

• River Walk "Freedom Rings Opening Party" behind PNC Park, 7-9 p.m.

Water events:

• "Red, White and Zoom" Typhoon Ski Extreme and Wakeboard Pittsburgh Team, noon-12:30 p.m., 4:45-5:30 p.m., 7-7:45 p.m.

• "Cadence on the River" Dragon Boat Races local team rowing competition, 12:30-2 p.m.

• F1 ChampBoat "Salute to Speed" Grand Prix Series media/VIP Runs, 2-4 p.m., practice rounds 5:30-7 p.m.

Friday

Land events:

• "Great Lawn of Liberty" spectator area for all water events, 10 a.m.-10 p.m.

• "All American Bridge Celebration" on Clemente Bridge, with food, refreshments, mechanical surf board, health and wellness area and family fun, 10 a.m.-10 p.m.

• "Waves of Grains" Farmer's Market, Art Rooney Blvd., 10 a.m-8 p.m.

• F1 "Beasts of Battle" Pit Stop (up-close exhibit of F1 Boats), 10 a.m.-1 p.m.

• BMX Stunt Show, Clemente Bridge, 1, 3, 5 and 7:30 p.m.

• "All Stars Strolling Performers," Promenade & Great Lawn, noon-8:p.m.

• "Spacious Skies High" Climbing Wall, 10 a.m.-8 p.m.

• East Central AAA DUI Simulator Experience, 10 a.m.-8 p.m.

• USA "Protect and Serve" Military Zone, 10 a.m.-8 p.m.

• "Gallantly Singing" Concert Series with Chris Higbee Project, the Stickers and Vanessa Campagna, Heinz Field's South Plaza Stage, 1-7:30 p.m.

• Soul Asylum, Heinz Field's South Plaza Stage, 8-9:30 p.m.

• U.S. Army National Field Band and Chorus, 8-9:38 p.m.

• "Flashes of Freedom" Fireworks and Laser Spectacular, 9:38-10 p.m.

Water events:

• Starboard-Spangled Sailing Competition featuring Flying Scot Sailboat races with Point of Pittsburgh Sailing League, 10 a.m. to 1 p.m.

• F1 ChampBoat "Salute to Speed" Grand Prix Series

Practice: 2:15-3 p.m.

Time Trials: 3:30-4 p.m.

Heat Races: 4-4:30 p.m., 4:30-5 p.m.

Opening Ceremonies: 5:30-6 p.m.

Finals: 6-7:30 p.m.

• "Red, White, and Zoom" Typhoon Ski Extreme, 1:30-2:15, 3-3:30, 5-5:30 and 7:30-8:15 p.m.

• BoatPittsburgh.com Extravaganza: Local boaters are welcome onto the Allegheny River for viewing of the fireworks and laser shows, 8:15 p.m.

Source: threeriversregatta.net