Loading...
Loading...
Calculate your pace per 100m and track swim times across distances
Michael Phelps won 23 Olympic gold medals, the most of any athlete in history. He also holds 7 individual world records.
Swimming burns more calories than running or cycling. An hour of vigorous swimming can burn up to 700 calories.
The fastest human swimmers reach about 6 mph, while dolphins cruise at 20 mph and can burst up to 35 mph.
An Olympic swimming pool holds 2.5 million liters (660,000 gallons) of water - enough to fill about 9,400 bathtubs.
Olympic pools are kept between 25-28°C (77-82°F). Too warm causes overheating, too cold causes muscles to cramp.
Freestyle is the fastest stroke, while butterfly burns the most energy. Breaststroke is the oldest and slowest competitive stroke.
Swimming dates back 10,000 years. Cave paintings in Egypt show swimmers, and it was taught to Roman soldiers.
Open water swimmers face currents, waves, and marine life. The English Channel crossing is 21 miles and takes 12-15 hours average.
Swimming pace is measured per 100m or 100yd. Elite swimmers maintain under 1:00/100m for distance events. Recreational swimmers typically range from 1:30 to 2:30 per 100m depending on stroke and fitness level.