ORANGE (CBSLA.com) — Hundreds of Harley-Davidson  riders rode around — and around and around — Children’s Hospital in Orange County Sunday.

The riders revved their way into the hearts of many children — some of them too sick to go home for the holidays.

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A lot of the riders were also decked out in Santa costumes.

The Harley riders also came armed with thousands of gifts for the children.

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It’s part of the group’s annual tradition.

“I feel like Christmas is really here once we do this ride, seeing all the generosity out there,” said Mark Murphy.

“These kids really have a hard road, and to see so many support them, it’s just heart filling, ”  said Norma Lamkin, great grandmother of a sick child. Lamkin’s great grandson, Ryan, is battling leukemia.

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CBS2/KCAL9’s Orange County reporter Michele Gile emceed the event.