The Histio Heroes 5K is a USATF and CARA Green certified race held in Batavia, IL, since 2007. It features a Little Heroes Hop for young children and a NEW 1-mile fun run for all ages. Your participation in this event will help make a difference in the fight against histiocytosis. All registration fees and donations go directly to the Histiocytosis Association. We thank you so much for your support!