Joined: Dec 2005
Posts: 267
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From: Simi Valley, CA, USA, Earth, Solar System, Milky Way
Bikes: 1996 GT Force, 1999 Cannondale R1000, 2006 Cannondale Synapse
What is referred to as a "24 flu" is generally food poisoning. Is it possible you ate something that was starting to spoil shortly before or during the exercise?