The debate over which sport is the hardest in the world is one that has raged on for years. There are a number of factors that can make a case for certain sports being more difficult than others. When it comes to swimming, there are a few things that make it one of the most challenging sports out there.
First, swimming is a highly technical sport. There is a lot of technique involved in swimming correctly and efficiently. This means that it can take years to master the proper techniques. Even then, small tweaks and adjustments can make a big difference in how fast or slow you swim.
Second, swimming is an incredibly endurance-based sport. A typical Olympic-distance race is around 1500 meters, which is about double the length of an average running race. This means that swimmers have to be able to maintain their pace and technique for a very long time without tiring out.
Third, water is much more dense than air, meaning that swimmers have to overcome a lot more resistance when they swim. This resistance can make it harder to move through the water and also makes it easier to get tired quickly.
Fourth, swimming races are often won or lost by just hundredths or even thousandths of seconds. This means that even tiny mistakes can cost you dearly in a race. There is no margin for error in swimming; every stroke counts.
All of these factors combine to make swimming one of the hardest sports in the world. It takes years of practice and dedication to master the techniques involved, and even then success is far from guaranteed due to the extremely tight margins for error in races