Ten-pin bowling The prior record was held by Chaz Dennis, 10 years, 3 months, 16 days, back in 2006. The prior female record holder was set by Brandie Reamy at the age of 12 years, 4 months, 11 days back in 2006. Note that all major tournaments are non-handicapped ("scratch"). The world champion is crowned at the WTBA World Championship held by the World Tenpin Bowling Association since 1954. The "Weber Cup" is the ten-pin bowling equivalent of golf's Ryder Cup. It is the world-famous major world tournament of Team Europe vs. Team USA bowling championships that happens annually. Other major world-famous
Bowling ball diameter in the range of to . The surface of the ball is required to include markings to indicate the manufacturer's brand name, the name of the ball, the center of gravity (before drilling), the orientation of the core (the Pin), and the axes of the high and/or low radius of gyration (as applicable). Additionally, markings must include an individual serial number and the logo of the USBC. Holes are allowed to be drilled into a bowling ball for a variety of reasons, and bowlers must be able to demonstrate that such holes can be used as claimed. Up to