Pre-registration opens for most leagues 1-2 months prior to the start of the season. Be sure to watch out for announcements in each month's newsletter and on the Scrap Heap homepage.
| League | Points Scale | Start | End |
| Soccer (Eng) | B | Aug-05 | May-06 |
| Soccer (Euro) | C | Aug-05 | May-06 |
| Soccer (CL) | B | Sep-05 | May-06 |
| Hockey | A | Oct-05 | Apr-06 |
| Basketball (NBA) | A | Nov-05 | Apr-06 |
| Ski Jumping | B | Dec-05 | Jan-06 |
| Cricket | B | Jan-06 | Dec-06 |
| Playoff Pickem (NFL) | B | Jan-06 | Feb-06 |
| Tennis | B | Jan-06 | Sep-06 |
| Golf | B | Feb-06 | Nov-06 |
| NASCAR | C | Feb-06 | Nov-06 |
| Rugby | B | Feb-06 | Mar-06 |
| Formula One | C | Mar-06 | Oct-06 |
| Playoff Pickem (NCAAB) | B | Mar-06 | Apr-06 |
| Baseball | A | Apr-06 | Oct-06 |
| Playoff Pickem (NBA) | B | Apr-06 | Jun-06 |
| Playoff Pickem (NHL) | B | Apr-06 | Jun-06 |
| Soccer (WC) | B | Jun-06 | Jun-06 |
| Tour de France | B | Jul-06 | Jul-06 |
| College Football | B | Aug-06 | Dec-06 |
| NFL | A | Sep-06 | Dec-06 |
| NFL Pickem | B | Sep-06 | Dec-06 |
| NFL Salary Cap | B | Sep-06 | Dec-06 |
| Playoff Pickem (MLB) | B | Oct-06 | Oct-06 |
| Playoff Pickem (NCAAF) | B | Dec-06 | Dec-06 |