After a long period of ignoring the issue, the International Bowling Federation finally has acted on urethane (aka slow oil-absorbing high-performance) bowling balls, matching the PBA Tour rule by banning urethane balls below 78D hardness. In addition, IBF said in its Newsletter 12 that random hardness checks may be carried out during events and any ball that measures below 72D will be declared non-compliant and removed from the competition. The list of bowling balls not eligible for use in IBF... Social Media:
Upcoming Tournaments:| Name | Bowling Alley | Address | Start Date | End Date |
|---|---|---|---|---|
| Minnesota Madness Classic | Cedarvale Lanes | 3883 Cedar Grove Pkwy, Eagan, MN 55122, USA | July 31, 2026 | August 02, 2026 |
| GOAL Bowling Girls-Only Junior Gold Qualifiers | Pleasant Hill Lanes | 1001 W Newport Pike, Wilmington, DE 19804, USA | August 30, 2026 | April 18, 2027 |
| 17th Annual Open Championship | South Bowling Lanes | Sheppard AFB, TX 76311, USA | April 11, 2026 | April 19, 2026 |
| Kansas City Open | Lunar Bowl | 2001 NW Hwy 7, Blue Springs, MO 64015, USA | September 07, 2025 | June 07, 2026 |
| IL State USBC Women's Championship Tournament | Highland Park Bowl | 4204 Avenue of the Cities, Moline, IL 61265, USA | February 21, 2026 | April 19, 2026 |