What is The Ballpark Market? This season will celebrate the 11th Anniversary of The Ballpark Market. When Lucy Allen and Barry Jelinski created the Market in the spring of 1998 it was the first of its kind in the Denver Metro area. For many years, it has been a treasured place for people to come and shop. In the spirit of European, open-air markets, The Ballpark Market gathers vendors selling quality antique and vintage merchandise, eclectic home and garden accessories, and artisan originals such as hand-made jewelry. Happening the second Saturday each month from April to October. Leashed pets are welcome and admission is FREE for all shoppers. The official Market start time is 8AM