what is 50k in miles

A 50K is a race that covers a distance of 50 kilometers, which is approximately 31.07 miles. It is an ultramarathon, which means any distance over the standard marathon distance of 26.2 miles is considered an ultramarathon. The 50K is the next longest established race after the marathon itself. Although it is only 5 miles more than a standard marathon, it demands utmost respect and dedicated training. The time on feet increases with the amount of vert or technical trail, so the biggest difference will be if you are doing a road or trail 50K.