NCAA Final Four: A History of Attendance Records and March Madness

The NCAA Division I Men's Basketball Tournament, better known as March Madness or The Big Dance, is a single-elimination tournament held annually in the United States. It determines the men's college basketball national champion of the Division I level within the National Collegiate Athletic Association (NCAA). Played predominantly in March, the tournament began in 1939 and currently features 68 teams. All tournament games are broadcast by CBS, TBS, TNT, and truTV under the program name NCAA March Madness.

The Origins and Evolution of March Madness

The first tournament, held in 1939, was won by Oregon and conceived by Ohio State coach Harold Olsen. From 1939 to 1950, the NCAA tournament comprised eight teams, each chosen from a specific geographical district. The National Association of Basketball Coaches managed the inaugural NCAA tournament.

In 1951, the NCAA doubled the field to 16 teams, adding two more districts and six at-large spots. Conferences were still limited to one team in the tournament, but multiple conferences from the same geographic district could now be included via at-large bids. The tournament retained the original format of the national semifinals being the regional finals in 1951. By 1953, the tournament had expanded to 22 teams and included a fifth round.

Competition with the NIT and Expansion for Inclusivity

During the early years, the NCAA tournament faced competition from the National Invitation Tournament (NIT), founded in New York City a year prior. The NIT often received more coverage due to New York's central role in the press. In 1971, the NCAA introduced a rule preventing teams that declined an NCAA tournament invitation from participating in other postseason tournaments, solidifying the NCAA tournament as the premier event. The NCAA allowed multiple teams per conference starting in 1975.

To accommodate at-large bids, the tournament expanded to 32 teams in 1975, allowing a second team to represent a conference in addition to the conference champion. In 1979, the tournament grew to 40 teams, adding a sixth round, with 24 teams receiving byes to the second round. Eight more teams were added in 1980, removing the restriction on the number of at-large bids from a conference.

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The Modern Era: 64 Teams and March Madness Mania

In 1985, the tournament expanded to 64 teams, eliminating all byes and play-ins. This expansion led to increased media coverage and popularity in American culture. Beginning in 2001, the field expanded to 65 teams, adding the "play-in game" due to the creation of the Mountain West Conference. In 2011, the tournament expanded to 68 teams, creating the First Four with three play-in games. The 68-team format was adopted in 2011; it had remained largely unchanged since 1985 when it expanded to 64 teams. Before then, the tournament size varied from as little as 8 to as many as 53. The field was restricted to conference champions until at-large bids were extended in 1975 and teams were not fully seeded until 1979.

Tournament Structure and Selection Process

The tournament consists of 68 teams competing in seven rounds of a single-elimination bracket. Thirty-two teams automatically qualify by winning their conference tournament, and thirty-six teams qualify by receiving an at-large bid based on their performance during the season. The Selection Committee determines the at-large bids, ranks all the teams 1 to 68, and places the teams in the bracket, all of which is revealed publicly on Selection Sunday. The tournament is divided into four regions, each with sixteen to eighteen teams.

The tournament is played over three weekends, with two rounds each weekend. Before the first weekend, eight teams compete in the First Four to advance to the first round. The first and second rounds are played during the first weekend, the regional semifinals and regional finals during the second weekend, and the national semifinals and championship game during the third weekend. All games, including the First Four, are scheduled so that teams will have one rest day between each game.

Memorable Moments and Record-Breaking Attendance

The NCAA Final Four has produced numerous memorable moments and consistently draws significant crowds. College basketball fans were treated to a pair of high-stakes matchups. The championship game drew an NCAA Women’s Final Four attendance record.

The 2015 Men’s Final Four set several attendance and viewership records. The two-session Final Four attendance totaled 143,387, the highest ever for Lucas Oil Stadium. The Turner Sports exclusive presentation of the national semifinals across TBS, TNT and truTV grossed 16.4 million total viewers while the Kentucky-Wisconsin game became the most-viewed college basketball game of all time on a cable television network.

In 2025, the Alamodome in San Antonio hosted a sold-out crowd of 68,252 for the Final Four semifinal games, and overall tournament attendance surpassed 700,000 for the third straight year. The two-session Final Four attendance totaled 158,682 fans, setting the record for the highest attendance and surpassing the 2013 Final Four in Atlanta by 9,006 fans. This year marked the highest attended national championship game with 79,238 fans, exceeding the previous record, also Atlanta in 2013, by 4,912 fans.

The attendance for Monday night’s national championship game was 74,423. That was the third highest in championship game history. The record was set in 2014, when 79,238 attended Connecticut's win over Kentucky at AT&T Stadium in Arlington, Texas. The overall attendance figure for the Final Four - including both semifinals and the championship - was 149,143. That number was the fifth-highest in Final Four history.

Indianapolis: A Frequent Host

The 2021 Men’s Final Four marked the 24th time since 1940 that the men’s basketball championship has come to Indianapolis. Indianapolis has also been the host for an NCAA Men’s Basketball Regional on five occasions (1940, 1979, 2009, 2013 and 2014) with the Regional returning in 2020. The city hosted first and second round competition in 1978, 1982, 1987, 1989, 1990, 1993, 1996, 2003, 2005, 2017, 2022 and 2024 at Gainbridge Fieldhouse.

San Antonio's Storied History with the Final Four

Just four years after San Antonio hosted its first NCAA Men’s Final Four, the first Women’s Final Four came to town in 2002. The NCAA’s long-standing ties with the Alamo City were truly starting to blossom. The championship game drew an NCAA Women’s Final Four attendance record of 29,619 fans, a record that still stands. It wasn’t the first time the Alamodome would host the event, and not the first time the Huskies would win it either.

This year marks the fifth time San Antonio has hosted the Men’s Final Four. The city also hosted in 2018, 2008, 2004 and 1998. The Final Four team farthest from the Alamo City was Duke, who traveled 1,368 miles.

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The NCAA reported the following attendance numbers for Final Four weekend events in San Antonio:

NCAA Men’s Final Four Dribble - 3,000 (max capacity)
NCAA Men’s Final Four Fan Fest - 66,316 (third highest attendance ever)
Reese’s Men’s Final Four Friday - 10,521
NCAA March Madness Music Festival - 129,903 (highest total attendance since 2018)
NCAA Men’s Final Four Tip-Off Tailgate presented by Nissan - 78,442

Television Viewership and Online Streaming

Coverage of the tournament reached 102 million viewers (unique viewers). All 67 games were broadcast nationally through the NCAA’s agreement with Turner Sports and CBS. In addition to the record-breaking television audience, more people tuned in using NCAA March Madness Live. Across online and mobile (tablets and smart phones) platforms, the two semifinal games netted 3.8 million live streams for an increase of 76 percent from last year. Throughout the course of the tournament, 9.9 million unique viewers (up 9 percent from 2013) streamed 70 million live video streams (up 42 percent from 2013). A total of 15.1 million live hours were watched (up 7 percent from 2013). The first semifinal game between Florida and Auburn saw 14.6 million viewers. The matchup between Houston and Duke had 16 million viewers, the NCAA said. The national championship had 18.1 million people tuned in to watch, according to the NCAA, with broadcasts distributed in 179 countries. This year’s Men’s Final Four weekend was the most watched since 2017.

Community Engagement and Sustainability

Through the NCAA partnership with Samaritan’s Feet and Feed the Hungry, more than 2,000 pairs of shoes and boxes of food were distributed to kids and families in need. More than 9,400 children participated in the Service Learning Adventures in North Texas (SLANT) program, which promotes social responsibility through service learning. The participants contributed more than 100,000 hours of community service. The NCAA also engaged in several sustainability initiatives, including opening the first NCAA green court at the MLK Jr.

The Impact of COVID-19

Due to the COVID-19 pandemic, the NCAA cancelled the 2020 tournament. In 2021, the tournament was held entirely in the state of Indiana to reduce travel. This was to date the only time the tournament was conducted in one state. As a COVID-19 precaution, all participating teams were required to stay in NCAA-provided accommodations until they lost. The schedule was adjusted to provided extended time for COVID-19 evaluation before the tournament began. Only one game was declared a no contest due to COVID-19, with Oregon advancing to the second round because VCU could not participate due to COVID-19 protocols.

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