Series
194 series — a series is a line of editions under one name; renamings are recorded as lineage (continues-as / continues-from). Filter by region or tier; click a header to sort.
| series | name | region | tier | naming | editions | years | with results | lineage |
|---|---|---|---|---|---|---|---|---|
| acpc | ICPC Africa & Arab Collegiate Programming Championship | Africa & Arab | regional | season-start | 29 | 1998–2026 | 27/28 | |
| aec | ICPC Asia East Continent Final Contest | Asia East | championship | season-start | 12 | 2015–2026 | 11/11 | |
| alberta | ICPC Alberta Collegiate Programming Contest | North America | subregional | season-start | 23 | 2003–2025 | 23/23 | |
| algeria | ICPC Algerian Collegiate Programming Contest | Africa & Arab | subregional | season-start | 9 | 2014–2026 | 8/8 | |
| amritapuri | ICPC Asia West Amritapuri Multisite Regional Contest | Asia West | regional | season-start | 20 | 2007–2026 | 19/19 | |
| angola | ICPC Angolan Collegiate Programming Contest | Africa & Arab | subregional | season-start | 10 | 2017–2026 | 9/9 | |
| anshan | ACM-ICPC Asia Anshan Regional Contest | Asia East | regional | season-start | 1 | 2014–2014 | 1/1 | |
| apc | ICPC Asia Pacific Championship | Asia Pacific | championship | season-end | 4 | 2024–2027 | 3/3 | |
| armenia | ICPC Armenia Regional Contest | Northern Eurasia | subregional | season-start | 23 | 2004–2026 | 22/22 | |
| australia | Australian Programming Contest | Asia Pacific | subregional | season-start | 2 | 1998–2013 | 2/2 | |
| awc | ICPC Asia West Continent Championship Contest | Asia West | championship | season-start | 7 | 2019–2026 | 6/6 | |
| azerbaijan | ICPC Azerbaijan Regional Contest | Northern Eurasia | subregional | season-start | 22 | 2005–2026 | 18/21 | |
| bahrain | ICPC Bahrain Collegiate Programming Contest | Africa & Arab | subregional | season-start | 5 | 2019–2023 | 5/5 | |
| bapc | ICPC Benelux Algorithm Programming Contest | Europe | subregional | season-start | 22 | 2005–2026 | 21/21 | |
| bapc-prelims | ICPC BAPC Preliminaries | Europe | subregional | season-start | 18 | 2009–2026 | 13/17 | |
| beijing | ICPC Asia Beijing Regional Contest | Asia East | regional | season-start | 13 | 2002–2018 | 13/13 | |
| benin | ICPC Beninese Collegiate Programming Contest | Africa & Arab | subregional | season-start | 7 | 2016–2023 | 5/7 | |
| bolivia-national | Competencia Boliviana de Programación | Latin America | subregional | season-start | 18 | 2009–2026 | 2/18 | |
| bombay | ACM Asia Programming Contest - Bombay | Asia West | regional | season-start | 2 | 2003–2004 | 2/2 | |
| brazil | ICPC South America Brazil Finals | Latin America | regional | season-start | 23 | 2004–2026 | 22/22 | continues-from south-america (2004) |
| brazil-first-phase | ICPC Brazil Sub-Regional (Primeira Fase) | Latin America | subregional | season-start | 21 | 1996–2026 | 21/21 | |
| bulgaria | Bulgarian Collegiate Programming Contest | Europe | subregional | season-start | 4 | 2010–2013 | 3/4 | |
| burkina-faso | Burkinabe Collegiate Programming Contest | Africa & Arab | subregional | season-start | 2 | 2016–2017 | 2/2 | |
| caribbean | ICPC Caribbean Finals | Latin America | regional | season-start | 18 | 2009–2026 | 17/17 | |
| caribbean-national | ICPC Caribbean National Contests | Latin America | subregional | season-start | 9 | 2013–2021 | 2/9 | |
| central-america | ICPC Central America Finals | Latin America | regional | season-start | 30 | 1997–2026 | 28/29 | continues-as mexico (2019) |
| central-russia | ICPC Central Russia Regional Contest | Northern Eurasia | subregional | season-start | 29 | 1998–2026 | 23/28 | |
| cerc | ICPC Central Europe Regional Contest | Europe | regional | season-start | 32 | 1995–2026 | 28/31 | |
| changchun | ACM-ICPC Asia Changchun Regional Contest | Asia East | regional | season-start | 4 | 2007–2015 | 4/4 | |
| changsha | ACM-ICPC Asia Changsha Regional Contest | Asia East | regional | season-start | 1 | 2013–2013 | 1/1 | |
| chengdu | ICPC Asia Chengdu Regional Contest | Asia East | regional | season-start | 10 | 2005–2026 | 9/9 | |
| chennai | ICPC Asia Chennai Regional Contest | Asia West | regional | season-start | 7 | 2015–2026 | 6/6 | |
| coimbatore | ACM Asia Programming Contest - Coimbatore | Asia West | regional | season-start | 2 | 2005–2006 | 2/2 | |
| colombia-maraton | Colombia Maratón Nacional de Programación (ACIS/REDIS) | Latin America | subregional | season-start | 19 | 2008–2026 | 10/19 | |
| croatia | ICPC Croatian Programming Contest | Europe | subregional | season-start | 19 | 2007–2025 | 19/19 | |
| ctuo | ICPC CTU Open | Europe | subregional | season-start | 29 | 1997–2026 | 28/28 | |
| cuba | Cuban Finals of the ACM-ICPC | Latin America | subregional | season-start | 1 | 2010–2010 | 1/1 | |
| cyprus | ICPC Cyprus Collegiate Programming Contest | Europe | subregional | season-start | 4 | 2018–2026 | 3/3 | |
| dalian | ACM-ICPC Asia Dalian Regional Contest | Asia East | regional | season-start | 2 | 2011–2016 | 2/2 | |
| dhaka | ICPC Asia Dhaka Regional Contest | Asia West | regional | season-start | 29 | 1997–2026 | 28/28 | |
| east-na | North America East Division | North America | regional | season-start | 4 | 2023–2026 | 3/3 | |
| east-siberia | ICPC East Siberian Regional Contest | Northern Eurasia | subregional | season-start | 27 | 2000–2026 | 26/26 | |
| ecna | ICPC North America East Central Regional Contest | North America | regional | season-start | 43 | 1984–2026 | 33/42 | |
| egypt | ICPC Egyptian Collegiate Programming Contest | Africa & Arab | subregional | season-start | 19 | 2008–2026 | 17/18 | |
| erc | European Regional Contest | Europe | regional | season-start | 9 | 1983–1991 | 1/9 | continues-as werc (1992) |
| ethiopia | ICPC Ethiopian Collegiate Programming Contest | Africa & Arab | subregional | season-start | 11 | 2016–2026 | 10/10 | |
| euc | ICPC Europe Championship | Europe | championship | season-end | 4 | 2024–2027 | 3/3 | |
| far-east-russia | ICPC Far Eastern Russia Regional Contest | Northern Eurasia | subregional | season-start | 29 | 1998–2026 | 23/28 | |
| fuzhou | ACM-ICPC Asia Fuzhou Regional Contest | Asia East | regional | season-start | 2 | 2010–2011 | 2/2 | |
| georgia | ICPC Georgia Regional Contest | Northern Eurasia | subregional | season-start | 23 | 2004–2026 | 22/22 | |
| germany | ICPC German Collegiate Programming Contest | Europe | subregional | season-start | 17 | 2010–2026 | 17/17 | |
| gny | ICPC North America Greater New York Regional Contest | North America | regional | season-start | 34 | 1993–2026 | 29/33 | |
| gran-premio-centroamerica | ICPC Gran Premio de Centroamérica | Latin America | subregional | season-start | 9 | 2018–2026 | 4/9 | |
| gran-premio-mexico | ICPC Gran Premio de México | Latin America | subregional | season-start | 12 | 2015–2026 | 12/12 | |
| greece | ICPC Greece Collegiate Programming Contest | Europe | subregional | season-start | 4 | 2023–2026 | 3/3 | |
| guangzhou | ACM-ICPC Asia Guangzhou Regional Contest | Asia East | regional | season-start | 2 | 2003–2014 | 2/2 | |
| gwalior | ICPC Asia Gwalior Regional Contest | Asia West | regional | season-start | 3 | 2014–2022 | 3/3 | continues-as gwalior-pune (2018) continues-from gwalior-pune (2022) |
| gwalior-kanpur | ACM-ICPC Asia Gwalior-Kanpur Regional Contest | Asia West | regional | season-start | 1 | 2009–2009 | 1/1 | continues-from kanpur (2009) continues-as kanpur (2010) |
| gwalior-pune | ICPC Asia Gwalior-Pune Regional Contest | Asia West | regional | season-start | 4 | 2018–2021 | 4/4 | continues-from gwalior (2018) continues-as gwalior (2022) |
| hangzhou | ICPC Asia Hangzhou Regional Contest | Asia East | regional | season-start | 8 | 2005–2024 | 8/8 | |
| harbin | ACM-ICPC Asia Harbin Regional Contest | Asia East | regional | season-start | 3 | 2008–2010 | 3/3 | |
| hefei | ICPC Asia Hefei Regional Contest | Asia East | regional | season-start | 6 | 2008–2026 | 5/5 | |
| hong-kong | ICPC Asia Hong Kong Regional Contest | Asia East | regional | season-start | 9 | 2000–2026 | 8/8 | |
| hungary | ICPC Hungarian Programming Contest | Europe | subregional | season-start | 19 | 2007–2025 | 11/19 | |
| india | ACM-ICPC Asia India-FINAL Contest | Asia West | regional | season-start | 1 | 2016–2016 | 1/1 | |
| ivory-coast | Ivorian Collegiate Programming Contest | Africa & Arab | subregional | season-start | 1 | 2017–2017 | 1/1 | |
| jakarta | ICPC Asia Jakarta Onsite Regional Contest | Asia Pacific | regional | season-start | 18 | 2008–2026 | 17/17 | |
| japan | ICPC Asia Yokohama Regional Contest | Asia Pacific | regional | season-start | 29 | 1998–2026 | 28/28 | |
| jiaozuo | ICPC Asia Jiaozuo Regional Contest | Asia East | regional | season-start | 1 | 2018–2018 | 1/1 | |
| jinan | ICPC Asia Jinan Regional Contest | Asia East | regional | season-start | 5 | 2020–2026 | 4/4 | |
| jinhua | ACM-ICPC Asia Jinhua Regional Contest | Asia East | regional | season-start | 1 | 2012–2012 | 1/1 | |
| jordan | ICPC Jordanian Collegiate Programming Contest | Africa & Arab | subregional | season-start | 16 | 2011–2026 | 15/15 | |
| kabul | ICPC Asia Kabul Regional Contest | Asia West | regional | season-start | 8 | 2017–2026 | 7/7 | |
| kanpur | ICPC Asia Kanpur Regional Contest | Asia West | regional | season-start | 20 | 1999–2026 | 19/19 | continues-as kolkata-roorkee (2003) continues-from kolkata-roorkee (2004) continues-as kolkata (2005) continues-from kolkata (2006) continues-as gwalior-kanpur (2009) continues-from gwalior-kanpur (2010) continues-as kolkata (2015) continues-from kolkata-kanpur (2019) |
| kazakhstan | ICPC Kazakhstan Regional Contest | Northern Eurasia | subregional | season-start | 24 | 2003–2026 | 23/23 | |
| kharagpur | ICPC Asia Kharagpur Regional Contest | Asia West | regional | season-start | 9 | 2012–2021 | 9/9 | |
| kolkata | ACM-ICPC Asia Kolkata Regional Contest | Asia West | regional | season-start | 3 | 2005–2016 | 3/3 | continues-from kanpur (2005) continues-as kanpur (2006) continues-from kanpur (2015) continues-as kolkata-kanpur (2017) |
| kolkata-kanpur | ICPC Asia Kolkata-Kanpur Onsite Regional Contest | Asia West | regional | season-start | 2 | 2017–2018 | 2/2 | continues-from kolkata (2017) continues-as kanpur (2019) |
| kolkata-roorkee | ACM Asia Programming Contest - Kolkata-Roorkee | Asia West | regional | season-start | 1 | 2003–2003 | 1/1 | continues-from kanpur (2003) continues-as kanpur (2004) |
| korea | ICPC Asia Seoul Regional Onsite Contest | Asia Pacific | regional | season-start | 27 | 2000–2026 | 26/26 | |
| kuala-lumpur | ICPC Asia Kuala Lumpur Regional Contest | Asia Pacific | regional | season-start | 5 | 2008–2019 | 5/5 | |
| kunming | ICPC Asia Kunming Regional Contest | Asia East | regional | season-start | 4 | 2020–2026 | 3/3 | |
| kuwait | ICPC Kuwait Collegiate Programming Contest | Africa & Arab | subregional | season-start | 16 | 2010–2026 | 15/15 | |
| kyrgyzstan | ICPC Kyrgyzstan Regional Contest | Northern Eurasia | subregional | season-start | 23 | 2004–2026 | 22/22 | |
| lac | ICPC Latin America Championship | Latin America | championship | season-end | 4 | 2024–2027 | 3/3 | |
| lebanon | ICPC Lebanese Collegiate Programming Contest | Africa & Arab | subregional | season-start | 18 | 2009–2026 | 16/17 | |
| lethbridge | ICPC Lethbridge Collegiate Programming Contest | North America | subregional | season-start | 13 | 2013–2025 | 13/13 | |
| macau | ICPC Asia Macau Regional Contest | Asia East | regional | season-start | 3 | 2020–2023 | 3/3 | |
| malaysia-national | ICPC Malaysia National Programming Contest (al-Khawarizmi) | Asia Pacific | subregional | season-start | 5 | 2013–2019 | 1/5 | |
| manila | ICPC Asia Manila Regional Contest | Asia Pacific | regional | season-start | 13 | 2002–2026 | 12/12 | |
| mathura | ICPC Asia Mathura Kanpur Regional Contest | Asia West | regional | season-start | 2 | 2022–2026 | 1/1 | |
| mausa | ICPC North America Mid-Atlantic Regional Contest | North America | regional | season-start | 33 | 1994–2026 | 31/32 | |
| mcerc | ACM Mid-Central European Programming Contest | Europe | regional | season-start | 2 | 1999–2000 | 2/2 | continues-from swerc (1999) continues-as nwerc (2001) |
| mcpc | ICPC North America Mid-Central Regional Contest | North America | regional | season-start | 35 | 1992–2026 | 30/34 | |
| mexico | ICPC Mexico Finals | Latin America | regional | season-start | 8 | 2019–2026 | 7/7 | continues-from central-america (2019) |
| mongolia-national | ICPC Mongolia National Programming Contest | Asia Pacific | subregional | season-start | 7 | 2013–2019 | 1/7 | |
| morocco | ICPC Moroccan Collegiate Programming Contest | Africa & Arab | subregional | season-start | 14 | 2012–2026 | 13/13 | |
| moscow | ICPC Moscow Regional Contest | Northern Eurasia | subregional | season-start | 24 | 2003–2026 | 23/23 | |
| mudanjiang | ACM-ICPC Asia Mudanjiang Regional Contest | Asia East | regional | season-start | 1 | 2014–2014 | 1/1 | |
| myanmar-mcpc | Myanmar Collegiate Programming Contest | Asia Pacific | subregional | season-start | 3 | 2017–2019 | 2/3 | |
| nac | ICPC North America Championship | North America | championship | season-end | 8 | 2020–2027 | 7/7 | |
| nadc | ICPC North America Division Championships | North America | championship | season-end | 1 | 2021–2021 | 1/1 | |
| nanchang | ICPC Asia Nanchang Regional Contest | Asia East | regional | season-start | 2 | 2019–2026 | 1/1 | |
| nanjing | ICPC Asia Nanjing Regional Contest | Asia East | regional | season-start | 11 | 2007–2026 | 10/10 | |
| nanning | ACM-ICPC Asia Nanning Regional Contest | Asia East | regional | season-start | 1 | 2017–2017 | 1/1 | |
| naq | ICPC North America Qualifier | North America | subregional | season-start | 15 | 2012–2026 | 13/14 | |
| ncna | ICPC North America North Central Regional Contest | North America | regional | season-start | 34 | 1993–2026 | 30/33 | |
| neerc | Northeastern Europe Regional Contest | Northern Eurasia | regional | season-start | 21 | 1996–2016 | 21/21 | continues-as nerc (2017) |
| nena | ICPC North America Northeast Regional Contest | North America | regional | season-start | 30 | 1997–2026 | 29/29 | |
| nena-atlantic | Atlantic Canadian Preliminary Contest | North America | subregional | season-start | 12 | 2008–2019 | 11/12 | |
| nena-central | WNE Preliminary Contest | North America | subregional | season-start | 12 | 2008–2019 | 11/12 | |
| nena-east | Eastern (BOSPRE) Contest | North America | subregional | season-start | 12 | 2008–2019 | 12/12 | |
| nena-north | Northern Preliminary Contest | North America | subregional | season-start | 11 | 2008–2019 | 8/11 | |
| nena-west | Buffalo - Western Contest | North America | subregional | season-start | 12 | 2008–2019 | 8/12 | |
| nerc | ICPC Northern Eurasia Finals | Northern Eurasia | regional | season-start | 10 | 2017–2026 | 9/9 | continues-from neerc (2017) |
| nigeria | ICPC Nigerian Collegiate Programming Contest | Africa & Arab | subregional | season-start | 7 | 2016–2023 | 7/7 | |
| ningbo | ACM-ICPC Asia Ningbo Regional Contest | Asia East | regional | season-start | 1 | 2009–2009 | 1/1 | |
| nordic | ICPC Nordic Collegiate Programming Contest | Europe | subregional | season-start | 25 | 2002–2026 | 24/24 | continues-from norway (2002) continues-from sweden (2002) |
| north-russia | ICPC Northwestern Russia Regional Contest | Northern Eurasia | subregional | season-start | 29 | 1998–2026 | 23/28 | |
| norway | Europe | subregional | season-start | 2 | 2000–2001 | 2/2 | continues-as nordic (2002) | |
| nwerc | ICPC Northwestern Europe Regional Contest | Europe | regional | season-start | 32 | 1995–2026 | 29/31 | continues-from werc (1995) continues-from mcerc (2001) |
| nzpc | New Zealand Programming Contest | Asia Pacific | subregional | season-start | 25 | 1998–2023 | 22/25 | |
| oman | ICPC Oman Collegiate Programming Contest | Africa & Arab | subregional | season-start | 13 | 2013–2026 | 12/12 | |
| oman-capital | ICPC Oman Capital Sub-region Collegiate Programming Contest | Africa & Arab | subregional | season-start | 2 | 2025–2026 | 0/2 | |
| oman-coastline | ICPC Oman Coastline Sub-region Collegiate Programming Contest | Africa & Arab | subregional | season-start | 2 | 2025–2026 | 0/2 | |
| oman-midland | ICPC Oman Midland Sub-region Collegiate Programming Contest | Africa & Arab | subregional | season-start | 2 | 2025–2026 | 0/2 | |
| oman-oriental | ICPC Oman Oriental Sub-region Collegiate Programming Contest | Africa & Arab | subregional | season-start | 1 | 2026–2026 | 0/1 | |
| oman-southern | ICPC Oman Southern Sub-region Collegiate Programming Contest | Africa & Arab | subregional | season-start | 2 | 2025–2026 | 0/1 | |
| pacnw | ICPC North America Pacific Northwest Regional Contest | North America | regional | season-start | 33 | 1994–2026 | 32/32 | |
| pakistan | ICPC Asia Topi Regional On-site Contest | Asia West | regional | season-start | 13 | 2014–2026 | 11/12 | |
| palestine | ICPC Palestinian Collegiate Programming Contest | Africa & Arab | subregional | season-start | 15 | 2012–2026 | 14/14 | |
| peradeniya | ICPC Asia Peradeniya Regional Contest | Asia West | regional | season-start | 2 | 2025–2026 | 1/1 | |
| philippines-national | ICPC Philippines National Programming Contest | Asia Pacific | subregional | season-start | 3 | 2014–2019 | 0/3 | |
| poland | ICPC Polish Collegiate Programming Contest | Europe | subregional | season-start | 30 | 1996–2026 | 28/29 | |
| pyongyang | ACM-ICPC Asia Pyongyang Regional Contest | Asia East | regional | season-start | 1 | 2016–2016 | 1/1 | |
| qatar | ICPC Qatar Collegiate Programming Contest | Africa & Arab | subregional | season-start | 7 | 2020–2026 | 6/6 | |
| qingdao | ICPC Asia QingDao Regional Contest | Asia East | regional | season-start | 3 | 2016–2018 | 3/3 | |
| rmc | ICPC North America Rocky Mountain Regional Contest | North America | regional | season-start | 38 | 1989–2026 | 32/37 | |
| romania | ICPC Romania Programming Contest | Europe | subregional | season-start | 17 | 2010–2026 | 16/16 | |
| saudi-arabia | ICPC Saudi Collegiate Programming Contest | Africa & Arab | subregional | season-start | 5 | 2022–2026 | 4/4 | |
| scusa | ICPC North America South Central Regional Contest | North America | regional | season-start | 40 | 1987–2026 | 33/39 | |
| seerc | ICPC Southeastern Europe Regional Contest | Europe | regional | season-start | 32 | 1995–2026 | 31/31 | |
| senegal | Senegalese Collegiate Programming Contest | Africa & Arab | subregional | season-start | 1 | 2017–2017 | 1/1 | |
| seusa | ICPC North America Southeast Regional Contest | North America | regional | season-start | 35 | 1988–2026 | 33/34 | |
| shanghai | ICPC Asia Shanghai Regional Contest | Asia East | regional | season-start | 20 | 1996–2026 | 19/19 | |
| shenyang | ICPC Asia Shenyang Regional Contest | Asia East | regional | season-start | 12 | 2015–2026 | 11/11 | |
| singapore | ICPC Asia Singapore Regional Contest | Asia Pacific | regional | season-start | 5 | 2000–2018 | 5/5 | |
| slovenia | ICPC Slovenian Programming Contest | Europe | subregional | season-start | 15 | 2009–2023 | 12/15 | |
| socal | ICPC North America Southern California Regional Contest | North America | regional | season-start | 48 | 1979–2026 | 32/47 | |
| south-africa | South Africa Regional Contest | Africa & Arab | subregional | season-start | 21 | 1999–2019 | 21/21 | |
| south-america | ACM-ICPC South America Contest outside Brazil | Latin America | regional | season-start | 11 | 1997–2007 | 10/11 | continues-as brazil (2004) continues-as south-america-north (2008) continues-as south-america-south (2008) |
| south-america-north | ICPC South America North Finals | Latin America | regional | season-start | 19 | 2008–2026 | 18/18 | continues-from south-america (2008) |
| south-america-south | ICPC South America South Finals | Latin America | regional | season-start | 19 | 2008–2026 | 18/19 | continues-from south-america (2008) |
| south-na | North America South Division | North America | regional | season-start | 5 | 2022–2026 | 4/4 | |
| south-pacific | ICPC South Pacific Independent Regional Contest | Asia Pacific | regional | season-start | 36 | 1991–2026 | 35/35 | |
| south-pacific-central | Asia Pacific | subregional | season-start | 6 | 2014–2019 | 6/6 | continues-as south-pacific-division (2021) | |
| south-pacific-division | ICPC South Pacific Independent Regional Contest Preliminary | Asia Pacific | subregional | season-start | 6 | 2021–2026 | 5/5 | continues-from south-pacific-central (2021) continues-from south-pacific-east (2021) continues-from south-pacific-west (2021) |
| south-pacific-east | Asia Pacific | subregional | season-start | 6 | 2014–2019 | 6/6 | continues-as south-pacific-division (2021) | |
| south-pacific-west | Asia Pacific | subregional | season-start | 6 | 2014–2019 | 6/6 | continues-as south-pacific-division (2021) | |
| south-russia | ICPC Southern and Volga Russia Regional Contest | Northern Eurasia | subregional | season-start | 29 | 1998–2026 | 23/28 | |
| sudan | ICPC Sudanese Collegiate Programming Contest | Africa & Arab | subregional | season-start | 5 | 2020–2024 | 5/5 | |
| sweden | Europe | subregional | season-start | 6 | 1996–2001 | 6/6 | continues-as nordic (2002) | |
| swerc | ICPC Southwestern Europe Regional Contest | Europe | regional | season-start | 34 | 1993–2026 | 30/33 | continues-as mcerc (1999) |
| syria | ICPC Syrian Collegiate Programming Contest | Africa & Arab | subregional | season-start | 16 | 2011–2026 | 15/15 | |
| taiwan | ICPC Asia Taichung Regional Programming Contest | Asia Pacific | regional | season-start | 34 | 1993–2026 | 32/33 | |
| taiwan-ncpc | Taiwan National Collegiate Programming Contest (MOE NCPC) | Asia Pacific | subregional | season-start | 6 | 2007–2016 | 0/6 | |
| tajikistan | ICPC Tajikistan Regional Contest | Northern Eurasia | subregional | season-start | 4 | 2023–2026 | 3/3 | |
| tap | Torneo Argentino de Programación | Latin America | subregional | season-start | 15 | 2012–2026 | 5/15 | |
| taurida | ICPC Taurida Regional Contest | Northern Eurasia | subregional | season-start | 13 | 2014–2026 | 12/12 | |
| tehran | ICPC Asia Tehran Regional Contest | Asia West | regional | season-start | 27 | 1999–2026 | 26/26 | |
| thailand | ICPC Asia Bangkok Regional Contest | Asia Pacific | regional | season-start | 12 | 2009–2026 | 11/11 | |
| thailand-national | ICPC Thailand National On-site Programming Contest | Asia Pacific | regional | season-start | 8 | 2012–2026 | 4/7 | |
| tianjin | ACM-ICPC Asia Tianjin Regional Contest | Asia East | regional | season-start | 2 | 2010–2012 | 2/2 | |
| togo | ICPC Togolese Collegiate Programming Contest | Africa & Arab | subregional | season-start | 7 | 2016–2023 | 7/7 | |
| torneo-chileno | Torneo Chileno de Programación | Latin America | subregional | season-start | 7 | 2017–2026 | 2/6 | |
| tunisia | ICPC Tunisian Collegiate Programming Contest | Africa & Arab | subregional | season-start | 14 | 2013–2026 | 14/14 | |
| turkey | ICPC Turkey Programming Contest | Europe | subregional | season-start | 7 | 2010–2026 | 6/6 | |
| turkmenistan | ICPC Turkmenistan Regional Contest | Northern Eurasia | subregional | season-start | 2 | 2025–2026 | 1/1 | |
| ukiepc | ICPC UK & Ireland Programming Contest | Europe | subregional | season-start | 14 | 2013–2026 | 13/13 | |
| ukraine | ICPC Ukraine National Programming Contest | Europe | subregional | season-start | 17 | 2010–2026 | 16/16 | |
| urals | ICPC Ural Regional Contest | Northern Eurasia | subregional | season-start | 29 | 1998–2026 | 23/28 | |
| urumqi | ACM-ICPC Asia Urumqi Regional Programming Contest | Asia East | regional | season-start | 1 | 2017–2017 | 1/1 | |
| uzbekistan | ICPC Uzbekistan Regional Contest | Northern Eurasia | subregional | season-start | 25 | 2002–2026 | 23/24 | |
| vietnam | ICPC Asia Ho Chi Minh City Regional Contest | Asia Pacific | regional | season-start | 18 | 2006–2026 | 17/17 | |
| vietnam-national | Vietnam National Programming Contest (VAIP) | Asia Pacific | subregional | season-start | 14 | 2012–2026 | 10/14 | |
| werc | Western European Regional Contest | Europe | regional | season-start | 3 | 1992–1994 | 0/3 | continues-from erc (1992) continues-as nwerc (1995) |
| west-neerc | ICPC Belarus Regional Contest | Northern Eurasia | subregional | season-start | 29 | 1998–2026 | 23/28 | |
| west-siberia | ICPC West Siberian Regional Contest | Northern Eurasia | subregional | season-start | 28 | 1999–2026 | 23/27 | |
| wf | ACM Programming Contest World Finals | — | world-finals | season-end | 51 | 1977–2027 | 49/49 | |
| wuhan | ACM-ICPC Asia Wuhan Regional Contest | Asia East | regional | season-start | 3 | 2009–2026 | 2/2 | |
| xian | ICPC Asia Xi'an Regional Contest | Asia East | regional | season-start | 8 | 2002–2026 | 7/7 | |
| xuzhou | ICPC Asia Xuzhou Regional Programming Contest | Asia East | regional | season-start | 2 | 2018–2019 | 2/2 | |
| yangon | ICPC Asia Yangon Regional Programming Contest | Asia Pacific | regional | season-start | 3 | 2016–2018 | 3/3 | |
| yinchuan | ICPC Asia Yinchuan Regional Contest | Asia East | regional | season-start | 1 | 2019–2019 | 1/1 |