| contest | season | date | where | advances to | results | problems | website | CMS id |
| brazil-first-phase-2026 | 2026–2027 | | Juazeiro, Brazil; Serra, Brazil; Fortaleza, Brazil +39 more | brazil-2026 | SR | 14 StDSoP set | flickr.com/photos/203496631@N03/sets/72… wb src archived | 9825 (admin · finder) |
| brazil-first-phase-2025 | 2025–2026 | 2025-09-13 | Juazeiro, Brazil; Serra, Brazil; Palmas, Brazil +38 more | brazil-2025 | SR | 13 StDSoP set | maratona.sbc.org.br/hist/2025 live wb src archived | 9415 (admin · finder) |
| brazil-first-phase-2024 | 2024–2025 | 2024-08-31 | Fortaleza, Brazil; Juazeiro, Brazil; Vitória, Brazil +35 more | brazil-2024 | SR | | maratona.sbc.org.br/hist/2024 live wb src archived | 8958 (admin · finder) |
| brazil-first-phase-2023 | 2023–2024 | 2023-09-02 | Vitória, Brazil; Juazeiro, Brazil; Fortaleza, Brazil +29 more | brazil-2023 | SR | 13 StDSoP set | youtube.com/watch?v=I1NiurdCdi4 wb src archived | 7540 (admin · finder) |
| brazil-first-phase-2022 | 2022–2023 | 2022-10-08 | São José dos Campos, Brazil; Goiânia, Brazil; Balsas, Brazil +21 more | brazil-2022 | SR | 14 StDSoP set | youtube.com/watch?v=tXyFdZgKi7o wb src archived | 5528 (admin · finder) |
| brazil-first-phase-2021 | 2021–2022 | | online · , Brazil +26 more | brazil-2021 | SR | 14 StDSoP set | maratona.sbc.org.br/hist/2021/result21.… wb src archived | 4708 (admin · finder) |
| brazil-first-phase-2020 | 2020–2021 | 2020-11-14 | , Brazil | brazil-2020 | SR | 15 StDSoP set | maratona.sbc.org.br/hist/2020/resfinal2… wb src archived | 4472 (admin · finder) |
| brazil-first-phase-2019 | 2019–2020 | 2019-09-14 | Manaus, Brazil; Juazeiro, Brazil; Juazeiro do Norte, Brazil +46 more | brazil-2019 | S | 13 StDSoP set | maratona.sbc.org.br/hist/2019/primfase19 wb src archived | 4256 (admin · finder) |
| brazil-first-phase-2018 | 2018–2019 | 2018-09-15 | Teresina, Brazil; Erechim, Brazil; Catalão, Brazil +54 more | brazil-2018 | SR | 13 StDSoP set | maratona.sbc.org.br/hist/2018/index.html wb src archived | 3625 (admin · finder) |
| brazil-first-phase-2017 | 2017–2018 | 2017-05-31 | Salvador, Brazil; Rio Branco, Brazil; Feira de Santana, Brazil +50 more | brazil-2017 | SR | | maratona.sbc.org.br/hist/2017/index.html wb src archived | 3459 (admin · finder) |
| brazil-first-phase-2016 | 2016–2017 | 2016-09-10 | Itacoatiara, Brazil; Cuiabá, Brazil; Rio Grande, Brazil +48 more | brazil-2016 | SR | | maratona.sbc.org.br/hist/2016/index.html wb src archived | 3019 (admin · finder) |
| brazil-first-phase-2015 | 2015–2016 | 2015-09-12 | Palmas, Brazil; Juazeiro, Brazil; Araçatuba, Brazil +42 more | brazil-2015 | SR | | maratona.sbc.org.br/hist/2015/index.html wb src archived | 2810 (admin · finder) |
| brazil-first-phase-2014 | 2014–2015 | 2014-09-13 | Cuiabá, Brazil; Parnaíba, Brazil; Juazeiro, Brazil +39 more | brazil-2014 | SR | | maratona.sbc.org.br/hist/2014/index.html wb src archived | 2537 (admin · finder) |
| brazil-first-phase-2013 | 2013–2014 | 2013-09-14 | Salvador, Brazil; Olinda, Brazil; São Paulo, Brazil +34 more | brazil-2013 | SR | 10 StDSoP set | maratona.sbc.org.br/hist/2013/index.html live wb src archived | 1817 (admin · finder) |
| brazil-first-phase-2012 | 2012–2013 | 2012-09-15 | Feira de Santana, Brazil; Montes Claros, Brazil; Fortaleza, Brazil +39 more | brazil-2012 | R | | maratona.sbc.org.br/hist/2012/index.html live wb src archived | 1486 (admin · finder) |
| brazil-first-phase-2011 | 2011–2012 | 2011-09-17 | Rio Grande, Brazil; Sorocaba, Brazil; Passos, Brazil +41 more | brazil-2011 | R | | maratona.sbc.org.br/hist/2011/index.html live wb src archived | 813 (admin · finder) |
| brazil-first-phase-2010 | 2010–2011 | 2011-09-17 | Porto Velho, Brazil; Goiânia, Brazil; Sobral, Brazil +39 more | brazil-2010 | R | | maratona.sbc.org.br/hist/2010/index.html live wb src archived | 594 (admin · finder) |
| brazil-first-phase-2009 | 2009–2010 | 2009-09-19 | Sobral, Brazil; Poços de Caldas, Brazil; Fortaleza, Brazil +42 more | brazil-2009 | R | | maratona.sbc.org.br/hist/2009/index.html live wb src archived | 517 (admin · finder) |
| brazil-first-phase-2008 | 2008–2009 | 2008-11-15 | Santa Rita do Sapucaí, Brazil; Teresina, Brazil; Rio de Janeiro, Brazil +41 more | brazil-2008 | SR | | maratona.sbc.org.br/hist/2008/index.html live wb src archived | 58 (admin · finder) |
| brazil-first-phase-1997 | 1997–1998 | | | | St | | maratona.sbc.org.br/hist/1997/index.html wb src archived | none |
| brazil-first-phase-1996 | 1996–1997 | | | | StR | | maratona.sbc.org.br/hist/1996/96_inicia… wb src archived | none |