2027 Bowling Calendar
Updated February 2026 Effective immediately, the International Bowling Federation (IBF) will permit only urethane bowling balls that are manufactured with a minimum hardness of 78D and are approved by USBC for use in IBF events, including World Championships and World Cups. Random hardness checks may be carried out during events. Any ball that measures below 72D will be declared non-compliant and removed from the competition.
Updated January 27th 2026
All slow oil-absorbing high-performance bowling ball models as well as any slow oil absorbing high-performance balls (Urethane) produced prior to Aug. 1, 2022, are ineligible for competition.
The List of bowling balls that are NOT ELIGIBLE for use in IBF events LINK
Urethane bowling balls that were previously approved and measure below 78D, but remain on the USBC approved ball list, may still be used in tournaments that choose to allow them. However, they are not permitted in IBF events under this new regulation.
IBF Championships
2027 Nov IBF World Championships2027 South Korea
Only USBC-approved bowling balls are allowed and MUST have the manufacturer's name, product name and serial number clearly visible. The serial number must be the original number. Any ball that does not meet this requirement will not be allowed to play.
2027 Apr 1st - 15th World Seniors Championships Bangkok, Thailand TBC
WSrC2027 - Seniors 50+ Division and Grand Seniors 65+ Division. Participants must be born in or before 1977 for Senior and 1962 for Grand Senior.
2027 Jun - Aug World Youth Singles Championships (Formerly Youth World Cup) TBC
Deadline for Host bid submission November 15th 2025 Hosting Information
2027 World University Games South Korea TBC
TBNZ New Zealand Events 2027
ABF Asia Events 2027
ETBF Euro Events 2027
Jan 29 - Feb 7 European Senior Championships TBA
Mar 20 - 29 European Youth Championships, Aalborg, Denmark
Apr 30 - May 3 Welsh Open, Stroud, Wales date to be confirmed
April/May Meditteranean Bowling Championships 2027 Portugal
May 13 - 17 Track Senior Open, Wittensheim, France date to be confirmed
June 2 - 6 Belgian Senior Open, Mouscron, Belgium
June 9 - 20 European Mens Championships, Helsinki, Finland
Oct 25 - 31 European Championships of Champions, Bratislava, Slovakia
Nov IBF World Championships, South Korea
Others USA 2027
March 12 - 14 USBC 2027 ISC and ITC Sectionals. Sectional Competition at Cityview Lanes in Fort Worth, Texas, Smyrna Bowling Center in Smyrna, Tennessee, and Stardust Bowl in Addison, Illinois, and Mount Lebanon Lanes in Pittsburgh.
May 19 - 25 USBC Queens, New Victory Lanes, Mooresville, North Carolina, USA
U.S. Collegiates 2026-2027 Season
2026-2027 Intercollegiate Sectionals competition will be held from March 12 - 14th 2027 at Cityview Lanes in Fort Worth, Texas, Smyrna Bowling Center in Smyrna, Tennessee, Stardust Bowl in Addison, Illinois and Mount Lebanon Lanes in Pittsburgh, Pennsylvania. USBC Collegiate Sectionals and USBC Intercollegiate Singles & Team National Championships where No Slow Oil-Absorbing High Performance Balls are allowed - National Tournament Ineligible Ball List All slow oil-absorbing high-performance bowling ball models listed on this List, as well as any slow oil absorbing high-performance balls (Urethane) produced prior to Aug. 1, 2022, are ineligible for competition. In addition, some of the balls listed are ineligible for other reasons as determined by USBC rules.
Previous 2025/2026 Collegiate Rulebook
While tenpinwellington has taken all reasonable care in preparing the yearly bowling calendar, tenpinwellington is unable to guarantee its accuracy and no responsibility is assumed by tenpinwellington for errors and omissions in these entries. Timely correction to the tournaments will be updated when I received notification from my sources.