7. H.U.R.T 100
Source: Iconosquare
Honolulu, Hawaii–This race name says it all, and even sounds painful. At least it takes place in scenic gorgeous Hawaii. It’s 100 miles of lush Hawaii scenery, and usually takes place in late July or early August. This is a very popular race, and those that didn’t make the final cut can enter a lottery system to have a chance to be in the race. Their website includes some helpful training tips on how you should prepare for the race.