St. Petersburg, Florida --- That's a wrap for a decade of Grand Prix in St. Petersburg, and race fans came out in full force Sunday.

They had picture-perfect weather, but for some observers, race days are no walk in the park.

"Oh we're all tense all the time," said Jeff Milges, crew chief for Rescue 5 for Motorsports Rescue out of Largo. "Watching cars, looking for smoke, looking for parts falling off."

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His team's job is to keep those racers safe on the track.

Milges said his team had already responded to a handful of crashes this weekend, but today, "Hoping we don't have to respond to a crash," he said.

While the rescue team kept racers and the audience safe, thousands of fans packed the grandstands in Downtown St. Pete careening their necks as racers hurtled around tight corners.

One of those fans was St. Petersburg Mayor Rick Kriseman, who gave the go at the IndyCar series Sunday.

"I have not ever done that before, and you know, I just want to make sure I don't drop the flag," he said.

And even with Saturday's rain, race president Tim Ramsberger said Sunday was a banner day.

"In all the 10 years, this is by far our biggest Sunday of walk-up ticket sales and we couldn't be more excited," he said.

Next year's Firestone Grand Prix of St. Petersburg dates have already been announced: Racers are set to hit the streets from March 27-29, 2015.

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