The Hoosiers participate in Division I of the National Collegiate Athletic Association (NCAA) in 24 sports and became a member of the Big Ten Conference on December 1, 1899.

Indiana's official Alma Mater song, "Hail to Old IU" was first performed on March 10, 1893, in Indianapolis.

The Hoosiers play on Branch McCracken Court at Simon Skjodt Assembly Hall on the IU campus.

Indiana has won five NCAA Championships in men's basketball (1940, 1953, 1976, 1981, 1987) — the first two under coach Branch McCracken and the latter three under Bob Knight.

The Hoosiers' five NCAA Championships are tied for fourth with Duke (5), trailing North Carolina (6), UCLA (11), and Kentucky (8).

The Hoosiers also rank seventh in all-time AP poll appearances and sixth in number of weeks spent at No 1.

[12] When asked if Indiana basketball fans were the most passionate in the country, ESPN commentator Dick Vitale said, "I don't think there's any doubt about it.

Three Indiana Hoosiers played during the inaugural WUSA season: Wendy Dillinger (Atlanta Beat), Tracy Grose (Carolina Courage), and Kelly Wilson (Bay Area CyberRays).

The Indiana University Outdoor Pool serves as the team's training facility in the summer months.

Indiana's 29 NCAA men's championship team appearances are tied for ninth-most in the sport's history.

In his four years as a Hawkeye, Goldman accumulated a 132–10 career record, won four Big Ten Championships and finished as a four-time NCAA All-American.

The Hoosiers have seen a tremendous amount of success during Goldman's tenure when he took the team to a top ten finish in the NCAA tournament in 2005.

The Wrestling team practices in Assembly Hall but prefers the home court advantage of the more intimate University Gymnasium, also known as Intercollegiate Athletics Gym.

Of the 40 club sports on the Bloomington campus, several are noteworthy for representing IU in high-level national competitions.

In February 2022, the Hoosiers claimed their first TSCHL Playoff Championship, after finishing the regular season as runners-up.

[27] Previously, they were members of the Central States Collegiate Hockey League conference, which is part of the ACHA Division I.

Head Coach Sarasopa Enari arrived to the program in 1994 and has led the team to many notable achievements.

[38] Following the conference championship victory, IU achieved a milestone 38–34 win over Kutztown University in the ACRC Bowl Series.

In the 2016-17 IU won another Big Ten Rugby Championship and fell to 4-time national champions BYU in a D1A quarterfinal.

[42] The IU Men's Rugby Club has been hailed as the top "true club rugby team" in the country for its victories over programs who offer scholarships or benefit from their athletic departments, including Kutztown, Life, Davenport, and Notre Dame.

[43] The IU Women's Rugby Club was founded in 1996, and has also represented Indiana University at a high level.

Their inaugural game was a road trip to the University of Illinois at Urbana-Champaign in February, with a full schedule planned for next season.

The team plays their home games at the Frank Southern Ice Arena, south of campus in Bloomington.

In 2014, they finished the season 10-4 and won the GRLC conference championship 14–6 against Illinois State, earning a bid to the MCLA tournament, where they lost 18–5 in the first round to top ranked ASU.

In 2018, they finished the season 10-3 and went to the conference championship, beating Purdue 8–5, again earning them a bid to the MCLA tournament, where they lost in the first round 12–6 to first ranked Chapman.

Since the 2001–02 year, IU and Purdue have also competed for an all-sports trophy called the Crimson and Gold Cup.

The rivalry has lasted through the ages, from Lou Henson and Bob Knight publicly feuding, to Kelvin Sampson and Bruce Weber's heated interaction in recent years.

What began as one man's idea Big Young of a bicycle race to raise scholarship money has become an annual IU springtime tradition.

Seven-time Tour de France champion Lance Armstrong called the Little 500, which has raised more than $1 million in scholarship money, "the coolest event I ever attended.

In world record times, Mark Spitz captured seven swimming gold medals in at the 1972 Summer Olympics in Munich.