How Many Swimming Events Are in the Olympics?

By Sarah Miller · September 19, 2037

There are 37 swimming events in the Olympic Games, equally divided between men and women, featuring a range of strokes, distances, and relay formats.

Olympic Swimming Events Overview

Swimming is one of the most prominent sports at the Summer Olympics, consistently delivering world-class competition and record-breaking performances. As of the Paris 2024 Olympic Games, there are 37 swimming events in total—18 for men, 18 for women, and 1 mixed event. These events span four competitive strokes, multiple distances, and both individual and team-based relays.

Breakdown of Olympic Swimming Disciplines

Olympic swimming includes races across four primary strokes: freestyle, backstroke, breaststroke, and butterfly. Additionally, the individual medley (IM) combines all four strokes in one race. Events range from short sprints like the 50m freestyle to endurance challenges such as the 1500m freestyle.

Types of Strokes and Distances

Freestyle: 50m, 100m, 200m, 400m, 800m (women), 1500m (men)
Backstroke: 100m, 200m
Breaststroke: 100m, 200m
Butterfly: 100m, 200m
Individual Medley (IM): 200m, 400m
Relays: 4x100m freestyle, 4x200m freestyle, 4x100m medley, and mixed 4x100m medley

Men's and Women's Event Distribution

The International Olympic Committee (IOC) and World Aquatics have worked toward gender equality in recent years. Since Tokyo 2020, the number of events for men and women has been nearly identical, with only minor differences in long-distance freestyle offerings.

Event Type	Men	Women	Mixed
50m Freestyle	✓	✓
100m Freestyle	✓	✓
200m Freestyle	✓	✓
400m Freestyle	✓	✓
800m Freestyle		✓
1500m Freestyle	✓
100m Backstroke	✓	✓
200m Backstroke	✓	✓
100m Breaststroke	✓	✓
200m Breaststroke	✓	✓
100m Butterfly	✓	✓
200m Butterfly	✓	✓
200m IM	✓	✓
400m IM	✓	✓
4x100m Freestyle Relay	✓	✓
4x200m Freestyle Relay	✓	✓
4x100m Medley Relay	✓	✓
Mixed 4x100m Medley Relay			✓

Table data source:World Aquatics, Olympics.com

The table highlights the symmetry in event offerings between genders, with women competing in the 800m freestyle and men in the 1500m freestyle individually until both were expanded in recent editions. The inclusion of the mixed 4x100m medley relay in 2020 marked a historic step toward team-based gender integration.

Evolution of Olympic Swimming Events

Swimming has been part of the modern Olympics since 1896. Over time, events have evolved to include more women’s races, longer freestyle options for both genders, and new mixed relays. The addition of the mixed 4x100m medley relay at Tokyo 2020 brought the total to 37, reflecting ongoing efforts to enhance inclusivity and excitement.

Key Rules and Competition Format

All Olympic swimming events follow World Aquatics (formerly FINA) regulations. Competitions are held in a 50-meter long course pool. Most events progress through heats, semifinals, and finals. Relays require precise timing and legal exchanges to avoid disqualification.

Races begin with a dive start (except for some medley turns)
Stroke-specific rules apply (e.g., breaststroke kick must be simultaneous)
False starts result in disqualification
Touchpad timing systems ensure accuracy to 0.01 seconds

Frequently Asked Questions About Olympic Swimming Events

How many swimming events are there in the 2024 Olympics?

There are 37 swimming events at the Paris 2024 Olympics: 18 for men, 18 for women, and 1 mixed relay event—the 4x100m mixed medley relay.

Why is there a mixed medley relay in swimming?

The mixed 4x100m medley relay was introduced at Tokyo 2020 to promote gender equality and add strategic depth. Teams can choose the order of male and female swimmers, allowing for tactical advantages based on stroke strength and speed.

What is the longest swimming event in the Olympics?

The longest individual swimming event is the 1500m freestyle for men and the 800m freestyle for women. However, since Paris 2024, both men and women compete in the 1500m freestyle, making it the longest race for all.

Are Olympic swimming pools 25m or 50m?

Olympic swimming competitions are held in a 50-meter long course pool. This is different from short course pools (25m) used in other international events like the World Short Course Championships.

Which country wins the most Olympic swimming medals?

The United States has historically dominated Olympic swimming, led by athletes like Michael Phelps and Katie Ledecky. At recent Games, Australia, China, and Great Britain have also been strong contenders, but the U.S. remains the all-time leader in total swimming medals.