the healthy lifestyle expo will be held in conjunction with the marine corps historic half during the days prior to the event. located at the fredericksburg expo and conference center, this free event is open to the public and will showcase health, fitness, food, and exercise through featured vendors such as mary washington hospital, geico, and jelly belly sport beans. fredericksburg expo and conference center is located at 2371 carl d. silver parkway, fredericksburg, va 22401.