Template:SeasonBySeason StarCup HP

• In Star/Season 4 the Hayward Pipelines were the #4 seed in the San Francisco Bay League.
  • They were swept in the San Francisco Bay League Division Series by the Sutro Tower .
• In Star/Season 6 the Hayward Pipelines were the #2 seed in the San Francisco Bay League.
  • They defeated the Mountain View Miners 3-1 in the San Francisco Bay League Division Series.
  • They lost the San Francisco Bay League Championship Series to the Richmond Slicks 3-4.
• In Star/Season 8 the Hayward Pipelines did not reach the postseason.
  • They narrowly missed the postseason by losing the tiebreaker to the Richmond Slicks and the Mountain View Miners .
• In Star/Season 9 the Hayward Pipelines did not reach the postseason.
  • They finished in last place in the San Francisco Bay League.
• In Star/Season 10 the Hayward Pipelines were the #2 seed in the San Francisco Bay League.
  • They lost the San Francisco Bay League Division Series to the Vallejo Barnstormers 2-3.
• In Star/Season 11 the Hayward Pipelines were the #1 seed in the San Francisco Bay League.
  • They were swept in the San Francisco Bay League Division Series by the Berkeley Brutalists .
• In Star/Season 12 the Hayward Pipelines were the #1 seed in the San Francisco Bay League.
  • They lost the San Francisco Bay League Division Series to the San Jose Avionics 2-3.
• In Star/Season 14 the Hayward Pipelines did not reach the postseason.
  • They were the first San Francisco Bay League team to be eliminated from the postseason (Partytime) on day 9.
  • They finished in last place in the San Francisco Bay League.
• In Star/Season 15 the Hayward Pipelines were the #1 seed in the San Francisco Bay League.
  • They lost the San Francisco Bay League Division Series to the Sausalito Bouncy Castles 2-3.
• In Star/Season 16 the Hayward Pipelines were the #1 seed in the San Francisco Bay League.
  • They lost the San Francisco Bay League Division Series to the Sausalito Bouncy Castles 1-3.
• In Star/Season 20 the Hayward Pipelines were the #2 seed in the San Francisco Bay League.
  • They defeated the Sutro Tower 3-1 in the San Francisco Bay League Division Series.
  • They lost the San Francisco Bay League Championship Series to the San Jose Avionics 2-4.
• In Star/Season 21 the Hayward Pipelines were the #4 seed in the San Francisco Bay League.
  • They defeated the Richmond Slicks 3-1 in the San Francisco Bay League Division Series.
  • They clinched the pennant by sweeping the Berkeley Brutalists 4-0 in the San Francisco Bay League Championship Series.
  • They lost the Star Cup Series to the Pacific Grove Monarchists , 3-4.
• In Star/Season 22 the Hayward Pipelines were the #1 seed in the San Francisco Bay League.
  • They were swept in the San Francisco Bay League Division Series by the Vallejo Barnstormers .