| contest | season | date | where | advances to | results | problems | website | CMS id |
| pacnw-2026 upcoming | 2026–2027 | | Vancouver, Canada; Tacoma, United States; Oregon, United States +2 more | nac-2027 | | | pnw.na.icpc.global live wb src | 9774 (admin · finder) |
| pacnw-2025 | 2025–2026 | 2025-11-15 | Tacoma, United States; British Columbia, Canada; Oregon, United States +2 more | nac-2026 | SStI | StDSoP set | acmicpc-pacnw.org live wb src archived | 9334 (admin · finder) |
| pacnw-2024 | 2024–2025 | 2024-11-16 | Hilo, United States; Lā‘ie, United States; California, United States +3 more | nac-2025 | SStI | StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | 8927 (admin · finder) |
| pacnw-2023 | 2023–2024 | 2024-02-24 | Oregon, United States; California, United States; Lā‘ie, United States +2 more | nac-2024 | SStI | 26 StDSoP set | acmicpc-pacnw.org/results.htm replaced wb src archived | 7467 (admin · finder) |
| pacnw-2022 | 2022–2023 | 2023-02-25 | Tacoma, United States; Chico, United States; Vancouver, Canada +2 more | nac-2023 | SStI | 26 StDSoP set | acmicpc-pacnw.org/results.htm replaced wb src archived | 5380 (admin · finder) |
| pacnw-2021 | 2021–2022 | 2022-03-05 | online · , Canada +4 more | nac-2022 | SStI | 26 StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | 4689 (admin · finder) |
| pacnw-2020 | 2020–2021 | 2021-03-06 | online · , Canada +4 more | nac-2021 | SStI | 34 StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | 4348 (admin · finder) |
| pacnw-2019 | 2019–2020 | 2019-11-09 | Newberg, United States; Cheney, United States; San Jose, United States +3 more | nac-2020 | SStI | 26 StDSoP set | acmicpc-pacnw.org/results.htm changed wb src archived | 4084 (admin · finder) |
| pacnw-2018 | 2018–2019 | 2018-11-03 | Lā‘ie, United States; Berkeley, United States; Tacoma, United States +3 more | wf-2019 | SStI | 26 StDSoP set | acmicpc-pacnw.org/results.htm changed wb src archived | 3543 (admin · finder) |
| pacnw-2017 | 2017–2018 | 2017-11-11 | Vancouver, Canada; Lā‘ie, United States; Newberg, United States +3 more | wf-2018 | SStI | 26 StDSoP set | acmicpc-pacnw.org/results.htm changed wb src | 3265 (admin · finder) |
| pacnw-2016 | 2016–2017 | 2016-11-05 | Berkeley, United States; Lā‘ie, United States; Newberg, United States +3 more | wf-2017 | SStI | 25 StDSoP set | acmicpc-pacnw.org/results.htm changed wb src archived | 3213 (admin · finder) |
| pacnw-2015 | 2015–2016 | 2015-11-14 | Berkeley, United States; Lā‘ie, United States; Tacoma, United States +3 more | wf-2016 | SStI | 22 StDSoP set | acmicpc-pacnw.org/results.htm changed wb src archived | 2836 (admin · finder) |
| pacnw-2014 | 2014–2015 | 2014-11-15 | Tacoma, United States; San Francisco, United States; Burnaby, Canada +3 more | wf-2015 | SStI | 24 StDSoP set | acmicpc-pacnw.org/results.htm changed wb src archived | 2419 (admin · finder) |
| pacnw-2013 | 2013–2014 | 2013-11-03 | Cheney, United States; Newberg, United States; Tacoma, United States +3 more | wf-2014 | S | 13 StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | 1984 (admin · finder) |
| pacnw-2012 | 2012–2013 | 2012-11-04 | Cheney, United States; Portland, United States; Lā‘ie, United States +3 more | wf-2013 | SI | 12 StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | 1393 (admin · finder) |
| pacnw-2011 | 2011–2012 | 2011-11-05 | Stockton, United States; Lā‘ie, United States; Eugene, United States +3 more | wf-2012 | SStI | 12 StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | 871 (admin · finder) |
| pacnw-2010 | 2010–2011 | 2010-11-13 | Eugene, United States; Hawaii, United States; California, United States +2 more | wf-2011 | StI | 12 StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | 647 (admin · finder) |
| pacnw-2009 | 2009–2010 | 2009-11-07 | Vancouver, Canada; California, United States; Hawaii, United States +1 more | wf-2010 | StI | 11 StDSoP set | acmicpc-pacnw.org/results.htm live wb src | 558 (admin · finder) |
| pacnw-2008 | 2008–2009 | 2008-11-15 | Eugene, United States; Hawaii, United States; Vancouver, Canada +2 more | wf-2009 | SStI | 11 StDSoP set | acmicpc-pacnw.org/results.htm live wb src | 31 (admin · finder) |
| pacnw-2007 | 2007–2008 | 2007-11-10 | Spokane, United States; Lā‘ie, United States; Burnaby, Canada | wf-2008 | StI | 12 StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | 996 (admin · finder) |
| pacnw-2006 | 2006–2007 | 2006-11-11 | Lā‘ie, United States; Burnaby, Canada | wf-2007 | SStI | 11 StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | 1162 (admin · finder) |
| pacnw-2005 | 2005–2006 | 2005-11-05 | Lā‘ie, United States; Burnaby, Canada | wf-2006 | SStI | 10 StDSoP set | acmicpc-pacnw.org/results.htm live wb src | 1078 (admin · finder) |
| pacnw-2004 | 2004–2005 | 2004-11-13 | Lā‘ie, United States | wf-2005 | SSt | 10 StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | 1105 (admin · finder) |
| pacnw-2003 | 2003–2004 | 2003-11-15 | Hawaii, United States | wf-2004 | SSt | 9 StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | 971 (admin · finder) |
| pacnw-2002 | 2002–2003 | 2002-11-09 | Fremont, United States; Seattle, United States | wf-2003 | St | 6 StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | 1273 (admin · finder) |
| pacnw-2001 | 2001–2002 | 2001-11-10 | Fremont, United States; Cheney, United States | wf-2002 | StR | 8 StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | 1237 (admin · finder) |
| pacnw-2000 | 2000–2001 | 2000-11-11 | Chico, United States; Cheney, United States | wf-2001 | St | 8 StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | 1079 (admin · finder) |
| pacnw-1999 | 1999–2000 | 1999-11-13 | Chico, United States; Bellingham, United States | wf-2000 | SSt | 9 StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | 1134 (admin · finder) |
| pacnw-1998 | 1998–1999 | 1998-11-14 | Chico, United States; Corvallis, United States | wf-1999 | SSt | 6 StDSoP set | acmicpc-pacnw.org/results.htm live wb src | 978 (admin · finder) |
| pacnw-1997 | 1997–1998 | | | wf-1998 | St | 6 StDSoP set | acmicpc-pacnw.org/results.htm live wb src | pre-CMS |
| pacnw-1996 | 1996–1997 | | | wf-1997 | St | 6 StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | pre-CMS |
| pacnw-1995 | 1995–1996 | | (Pacific) | wf-1996 | St | 6 StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | pre-CMS |
| pacnw-1994 | 1994–1995 | | (Pacific) | wf-1995 | St | 6 StDSoP set | acmicpc-pacnw.org/results.htm live wb src archived | pre-CMS |