| http://www.w3.org/ns/prov#value | - ???Bike Week is a great location to start our second year of national championship series competition in vintage dirt track,??? said AMA Director of Racing Joe Bromley. ???The history of the AMA???s involvement in the sport dates to the original factory Class-A racing in the 1920s and really took off during the Class-C production-based format that continues today.
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