As the sport grew in popularity, new bouldering areas were developed throughout Europe and the United States, and more athletes began participating in bouldering competitions.
In early 2010, two American climbers claimed first ascents on boulder problems that have come to be regarded as the most difficult in the world: The Game near Boulder, Colorado, established by Daniel Woods;[REF] and Lucid Dreaming near Bishop, California, established by Paul Robinson [REF].