I do between 5 and 8 charity rides a year here in Florida. Never had an issue with them running out of food or drinks at any of the rest stops. And at 73, I'm certainly not among the first group of riders to hit the rest stops.
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HCFR Cycling Team
Ride Safe ... Ride Hard ... Ride Daily
2017 Colnago C-RS
2012 Colnago Ace
2010 Giant Cypress