| League | Start | End | ||
| Start Time | Monday | 2009 | 2010 | Gender |
| 6:45pm | Monday Nite Mens | 31-Aug | 19-Apr | men |
| 7:00pm | We-Go Bowl Again | 14-Sep | 19-Apr | mixed |
| Tuesday | ||||
| 9:30am | Early Risers | 1-Sep | 20-Apr | mixed |
| 5:15pm | Dusac | 1-Sep | 20-Apr | mixed |
| 6:50pm | Ball Check-On | 8-Sep | 13-Apr | men |
| 6:30pm | Tuesday Nite Mens | 1-Sep | 13-Apr | men |
| 7:15pm | Lassies | 25-Aug | 30-Mar | women |
| Wednesday | ||||
| 12:30pm | Orphans | 2-Sep | 31-Mar | women |
| 4:00pm | General Mills | 23-Sep | 7-Apr | mixed |
| 5:30pm | Ferm-Therms | 9-Sep | 31-Mar | mixed |
| 7:00pm | Wednesday Nite Mens | 9-Sep | 21-Apr | men |
| 7:15pm | Wednesday Nite Mixed | 26-Aug | 14-Apr | mixed |
| 11:30pm | Nite Owls | 21-Oct | 7-Apr | mixed |
| Thursday | ||||
| 6:30pm | Minuteman Press | 27-Aug | 29-Apr | mixed |
| 6:30pm | Something Else | 27-Aug | 29-Apr | women |
| 6:45pm | Geneva Minors | 3-Sep | 6-May | men |
| Friday | ||||
| 7:00pm | 3rd Friday (once a month) | 18-Sep | 21-May | mixed |
| 6:30pm | Outsiders | 11-Sep | 7-May | mixed |
| 7:00pm | 2nd Friday Fun (once a month) | 11-Sep | 14-May | mixed |
| 6:45pm | Warrenville's Night Out | 2-Oct | 7-May | mixed |
| 7:00pm | Friday 2xers | 11-Sep | 24-Apr | mixed |
| Saturday | ||||
| 6:15pm | First Timers (1st) | 29-Aug | 1-May | mixed |
| 6:15pm | Wheaton Newcomers (1st) | 29-Aug | 1-May | mixed |
| 6:30pm | West Suburban Fellowship (1st and 3rd) | 19-Sep | 15-May | mixed |
| 6:15pm | Saturday Nite Mixers (2nd and 4th) | 12-Sep | 24-Apr | mixed |
| 6:15pm | R-Nite Out (2nd and 4th) | 12-Sep | 24-Apr | mixed |
| 6:15pm | Saturday Nite special (2nd and 4th) | 12-Sep | 24-Apr | mixed |
| 6:15pm | Saturday Nite Stikers (3rd) | 19-Sep | 15-May | mixed |
| 6:15pm | Friends on Grove (3rd) | 19-Sep | 15-May | mixed |
| 6:15pm | Venus & Mars (2nd) | 12-Sep | 8-May | mixed |
| 9:15pm | Second Wind (3rd) | 19-Sep | 15-May | mixed |
| 9:15pm | Even Chimps Can Bowl | 19-Sep | 15-May | mixed |
| 9:00am | Junior League | 12-Sep | 17-Apr | mixed juniors |
| Sunday | ||||
| 7:00pm | Weekenders | 30-Aug | 2-May | mixed |
| 5:00pm | Everyothers | 20-Sep | 2-May | mixed |
| 6:00pm | We Are Family | 13-Sep | 2-May | mixed |
| 3:45pm | Lutheran Fellowship (every other) | 13-Sep | 25-Apr | mixed |
| 10:00am | 4 Man Classic | 23-Aug | 18-Apr | men |
| 4:00pm | Generation Gap | 20-Sep | 25-Apr | 1 jr/1 adult |