Old Orchard Beach is jammed with visitors on a record-setting hot Fourth of July.

Pat McInnis of Boston, left, cools off with help from race volunteer Aidan O'Donnell of Madison after finishing the L.L. Bean 4th of July 10K.

Kursten Tenhoor of Yarmouth recovers in the shade along Bow Street after finishing the L.L. Bean 4th of July 10K for the first time Wednesday.

Adam Edwards, one of approximately 120 volunteers for the L.L. Bean 4th of July 10K, stacks cases of Poland Spring water bottles for runners near the finish line.

Josh Spiller of Poland laughs as the incoming tide tips over Kristen McKinnon of Bridgton while the two cool off in the water at Old Orchard Beach on a hot, sunny Fourth of July. McKinnon said she likes to spend the Fourth at Old Orchard Beach every year.

Ryan Parsons, left, of Unity keeps an eye on his 10-year-old daughter, Lily, as she rides the waves Wednesday on an inflatable whale at Old Orchard Beach. Their holiday plans were pretty straightforward: Spend the day at the beach, then watch fireworks at night.