The difficulty level is subjective and varies from person to person. It is also heavily influenced by the various factors you will find on the trail. And for some, it is more about going through it at a steady pace, whilst others prefer rushing through it and simply powering through it all. This means that the distance or time stipulated for the race may cause some people to break.
One of the most challenging races in the world is the Jungle Ultra race. What makes this race unique and particularly challenging is not the distance or the time but rather the terrain.
The race is 142.6miles and is through the Peruvian rain and cloud forests. The temperature adds on to an already seemingly impossible hike, as they reach 90 degrees and humidity levels can get up to 100 percent.
You will be going down 9 000 feet, and that is a lot of elevation change. Coupled with this, you get to cross 70 river crossings. As you run through this colorful trail, you will also need to be carrying your supplies such as water, food, and other survival tools.
It is not all doom and gloom, though. You get to experience the gorgeous scenery and interact with the locals. An experience that no other trails will give you. So it sort of balances out.