The Indoor Football League (IFL) is an indoor American football league in the United States and the oldest active professional indoor football league in North America. It was formed in 2008 when the Intense Football League and United Indoor Football merged after the champions of both leagues faced off in the 2008 National Indoor Bowl Championship.
Originally the teams were split into the Intense Conference and the United Conference with the champions facing in the United Bowl. In 2018, the league lost four of its ten teams, leading to the dissolution of the conferences. The top four teams made the IFL playoffs in 2018, the top six made it in 2019, and the top eight made it in 2021. Before the 2022 season, the United Bowl was rebranded to the IFL National Championship and the Eastern Conference and the Western Conference were founded. Since then the conference champions have met in the IFL National Championship.
2009–2017: Intense vs. United Season No. ofteams Regular season Playoffs United Bowl Ref. No. ofgames Intense Conferencetop seed United Conferencetop seed Postseason Intense Conferencechampion United Conferencechampion Game Champion 19 14 Billings Outlaws Omaha Beef 2009 Billings Outlaws RiverCity Rage 2009 Billings Outlaws 25 14 Billings Outlaws Richmond Revolution 2010 Billings Outlaws Sioux Falls Storm 2010 Billings Outlaws 22 14 Colorado Ice Sioux Falls Storm 2011 Tri-Cities Fever Sioux Falls Storm 2011 Sioux Falls Storm 16 14 Tri-Cities Fever Sioux Falls Storm 2012 Tri-Cities Fever Sioux Falls Storm 2012 Sioux Falls Storm 9 14 Nebraska Danger Sioux Falls Storm 2013 Nebraska Danger Sioux Falls Storm 2013 Sioux Falls Storm 9 14 Colorado Ice Sioux Falls Storm 2014 Nebraska Danger Sioux Falls Storm 2014 Sioux Falls Storm 10 14 Nebraska Danger Sioux Falls Storm 2015 Nebraska Danger Sioux Falls Storm 2015 Sioux Falls Storm 10 16 Spokane Empire Sioux Falls Storm 2016 Spokane Empire Sioux Falls Storm 2016 Sioux Falls Storm 10 16 Arizona Rattlers Sioux Falls Storm 2017 Arizona Rattlers Sioux Falls Storm 2017 Arizona Rattlers
2018–2021: IFL downsize Season No. ofteams Regular season Playoffs United Bowl Ref. No. ofgames Top seed Postseason Higher seed Lower seed Game Champion 6 14 Iowa Barnstormers 2018 Iowa Barnstormers Sioux Falls Storm 2018 Iowa Barnstormers 10 14 Arizona Rattlers 2019 Arizona Rattlers Sioux Falls Storm 2019 Sioux Falls Storm 13 0 — 2020 — — 2020 — 12 14 Arizona Rattlers 2021 Arizona Rattlers Massachusetts Pirates 2021 Massachusetts Pirates
2022–present: Eastern vs. Western Season No. ofteams Regular season Playoffs IFL National Championship Ref. No. ofgames Eastern Conferencetop seed Western Conferencetop seed Postseason Eastern Conferencechampion Western Conferencechampion Game Champion 14 16 Frisco Fighters Arizona Rattlers 2022 Quad City Steamwheelers Northern Arizona Wranglers 2022 Northern Arizona Wranglers 14 15 Frisco Fighters Arizona Rattlers 2023 Sioux Falls Storm Bay Area Panthers 2023 Bay Area Panthers 16 16 Green Bay Blizzard Bay Area Panthers 2024 Massachusetts Pirates Arizona Rattlers 2024 Arizona Rattlers 14 16 Quad City Steamwheelers Bay Area Panthers 2025 Green Bay Blizzard Vegas Knight Hawks 2025 Vegas Knight Hawks
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