Published: Sep 13, 2013 9:12 AM EDT

NAPLES, Fla.- Staff members at the YMCA in Naples are coming together to host a 5K fundraiser, after a fire devastated their building on Labor Day.

The 'Respond, Rebuild, Rejoice 5K Walk/Run' is Saturday, September 14starting with registration/check-in at 7 a.m. and the walk at 8 a.m. at the YMCA site on Pine Ridge Road. There is no registration fee, but donations are welcome.

More than 400 people are already registered to participate, and help raise money to rebuild the YMCA.

Officials say a lightning strike on Labor Day sparked the blaze that destroyed much of the building.

The YMCA hopes to rebuild and reopen the facility in about six months.

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