There are still months to go before the Nov. 5 event. But Joe Marinelli of Savannah's visitor bureau says the number of runners signing up already exceeded predictions of no more than 12,000.
The Competitor Group, the marathon's organizer, is consulting with Savannah police about whether they need to cap how many people can enter.
Rock 'n' Roll marathons are typically held in larger cities than Savannah. The event will feature rock bands playing along the marathon's 26.2-mile route.
Marinelli says hotels in the Savannah area are reporting solid bookings around the race.
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